CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH 6.35\/11 kV Cable | Feichun Three-Core XLPE Galvanized Steel Wire Armoured Engineering Guide<\/title>\n<meta name=\"description\" content=\"Professional English engineering guide to CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH 6.35\/11 kV three-core XLPE copper-conductor cable with copper screen, LSZH filler, LSZH separation sheath, single-layer galvanized steel wire armour and LSZH outer sheath, including data-boundary controls and fixed-installation guidance.\">\n<meta name=\"keywords\" content=\"CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH 6.35\/11 kV, CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH 6.35\/11 kV, IEC 60502-2, three core XLPE cable, steel wire armoured cable, copper conductor MV cable, Feichun Cable\">\n<style>\n:root{--bg:#041018;--p:#0b202b;--p2:#123443;--ink:#f4f9fb;--muted:#adc4ce;--line:#315b6f;--c:#55dff7;--g:#62df9c;--s:#e8c37b;--r:#ff777f;--v:#aa9bff;--source:#caedff}\n*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px Arial,Helvetica,sans-serif;line-height:1.68}.wrap{max-width:1840px;margin:auto;padding:0 28px}a{color:var(--c);text-decoration:none}a:hover{text-decoration:underline}.hero{padding:70px 0;background:radial-gradient(circle at 8% 5%,rgba(85,223,247,.22),transparent 34%),radial-gradient(circle at 92% 8%,rgba(255,119,127,.15),transparent 34%),linear-gradient(135deg,#041018,#0b4056)}h1{font-size:48px;line-height:1.12;max-width:1500px}h2{margin-top:55px;border-left:7px solid var(--c);padding-left:15px;line-height:1.25}h3{color:var(--c)}.lead{font-size:21px;max-width:1500px}.badges,.meta{display:flex;gap:10px;flex-wrap:wrap}.badges span,.meta span{background:#071821;border:1px solid var(--line);border-radius:22px;padding:8px 14px;font-weight:bold}.cards,.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:15px;margin:22px 0}.card,.box,.note,.warn{background:var(--p);border:1px solid var(--line);border-radius:10px;padding:18px}.card{border-top:5px solid var(--c)}.value{font-size:30px;color:var(--c);font-weight:bold}.note{border-left:7px solid var(--c)}.warn{border-left:7px solid var(--r);margin:13px 0}.toc{background:var(--p);border:1px solid var(--line);padding:20px;border-left:7px solid var(--c)}.toc ol{columns:2}.scroll{overflow:auto}table{width:100%;border-collapse:collapse;background:#071821;min-width:1200px}th,td{border:1px solid var(--line);padding:8px 9px;vertical-align:top}th{background:var(--p2);color:#f4f9fb}td.key{color:var(--c);font-weight:bold}td.source{color:var(--source)}code{color:#f0d59e;background:#071821;padding:2px 5px;border-radius:4px}.formula{white-space:pre-line;background:#071821;border:1px solid var(--line);padding:18px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.svg{border:1px solid var(--line);padding:10px;background:#071821;margin:22px 0}.svg svg{width:100%;height:auto;display:block}.small{font-size:12px;color:#91a9b4}.contact{display:grid;grid-template-columns:1fr 1fr;gap:12px}.contact div{background:#071821;border:1px solid var(--line);padding:15px}footer{margin-top:50px;background:#02080c;padding:34px 0}@media(max-width:800px){h1{font-size:31px}.toc ol{columns:1}.contact{grid-template-columns:1fr}}\n<\/style>\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"TechArticle\",\"headline\":\"CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH 6.35\/11 kV Three-Core XLPE Galvanized Steel Wire Armoured Cable Guide\",\"description\":\"Engineering guide to the CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH three-core copper-conductor XLPE cable construction, IEC 60502-2 basis, LSZH sheath system, single-layer galvanized steel wire armour and data-boundary verification controls.\",\"author\":{\"@type\":\"Organization\",\"name\":\"Feichun Cable\"},\"publisher\":{\"@type\":\"Organization\",\"name\":\"Feichun Cable\"}}<\/script>\n<\/head>\n<body>\n<section class=\"hero\"><div class=\"wrap\"><div class=\"badges\"><span>FEICHUN CABLE<\/span><span>CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH 6.35\/11 kV<\/span><span>6.35\/11 kV Uo\/U<\/span><span>3 CORE<\/span><span>Cu \/ XLPE \/ LSZH<\/span><span>SINGLE-LAYER GALV. STEEL WIRE ARMOUR<\/span><span>IEC 60502-2<\/span><\/div><h1>Feichun CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH 6.35\/11 kV \u2014 Three-Core XLPE Copper Cable with Galvanized Steel Wire Armour<\/h1><p class=\"lead\">A full-English engineering guide to the CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH three-core medium-voltage cable construction: copper conductors, semiconducting screens, XLPE insulation, copper tape, LSZH filler, LSZH separation sheath, single-layer galvanized steel wire armour and LSZH outer sheath. The article separates the published matrix from project-level inputs that still require confirmation.<\/p><div class=\"meta\"><span>Uo\/U: 6.35 \/ 11 kV<\/span><span>3 cores<\/span><span>Impact resistance: Good<\/span><span>-20 … 90 \u00b0C usage range<\/span><span>250 \u00b0C short-circuit conductor limit<\/span><span>Bending factor: 12 (xD)<\/span><span>IEC 60332-3 Cat. C<\/span><\/div><\/div><\/section>\n<main class=\"wrap\">\n<div class=\"cards\"><div class=\"card\"><div>Voltage class<\/div><div class=\"value\">6.35\/11 kV<\/div><div>Uo\/U notation supplied by the source.<\/div><\/div><div class=\"card\"><div>Core construction<\/div><div class=\"value\">3 CORE<\/div><div>Three-core copper-conductor XLPE cable.<\/div><\/div><div class=\"card\"><div>Armour<\/div><div class=\"value\">SINGLE-LAYER GALV. STEEL WIRE<\/div><div>Single-layer galvanized steel wire armour under LSZH outer sheath.<\/div><\/div><div class=\"card\"><div>Published matrix<\/div><div class=\"value\">complete matrix<\/div><div>70, 95, 120, 150, 185, 240, 300 and 400 mm\u00b2 rows are published; screen duty and project formation still require review.<\/div><\/div><\/div>\n<div class=\"toc\"><h3>Contents<\/h3><ol><li>Engineering position<\/li><li>Designation and construction logic<\/li><li>Standard and evidence review<\/li><li>Complete source specification<\/li><li>Published-data limitations<\/li><li>Full technical matrix<\/li><li>Derived radius and mass checks<\/li><li>Layer-by-layer cross-section<\/li><li>Three-core electrical and mechanical system<\/li><li>Thermal, voltage-drop and short-circuit design<\/li><li>Fire and LSZH performance boundary<\/li><li>Fixed-route applications<\/li><li>Handling and termination<\/li><li>Selection comparison<\/li><li>Failure mode analysis<\/li><li>Feichun certification scope<\/li><li>Source and revision audit<\/li><\/ol><\/div>\n\n<h2>1. Engineering position: a three-core armoured MV cable with controlled data boundaries<\/h2>\n<div class=\"note\"><b>N2XSEHRH is a three-core, XLPE-insulated, copper-conductor medium-voltage cable with copper tape as the metallic screen, LSZH filler, LSZH separation sheath, single-layer galvanized steel wire armour and LSZH outer sheath.<\/b> The supplied application is fixed energy-network service in residential or industrial areas, underground routes and ducts, including routes where mechanical stresses are expected.<\/div>\n<div class=\"grid\"><div class=\"box\"><b>Electrical platform<\/b><br>Each phase core has a copper conductor, semiconducting conductor screen, XLPE insulation and semiconducting insulation screen. Copper tape are listed as the metallic screen.<\/div><div class=\"box\"><b>Mechanical platform<\/b><br>Single-layer galvanized steel wires provide an armoured mechanical barrier around the LSZH-separated core assembly. Armour overlap, tape dimensions, bonding and installation loads need the controlled drawing.<\/div><div class=\"box\"><b>Three-core platform<\/b><br>Three cores are grouped inside a LSZH filler and separation sheath. This differs from a single-core system in phase geometry, magnetic coupling, termination arrangement and fault-current paths.<\/div><div class=\"box\"><b>Evidence platform<\/b><br>The record supplies voltage, operating range, impact rating, the 70 \/ 95 \/ 120 \/ 150 \/ 185 \/ 240 \/ 300 \/ 400 mm\u00b2 matrix and current ratings; screen section and route-specific ampacity still require confirmation.<\/div><\/div>\n<div class=\"warn\"><b>Data boundary:<\/b> this article does not invent a conductor size outside the supplied 70 \/ 95 \/ 120 \/ 150 \/ 185 \/ 240 \/ 300 \/ 400 mm\u00b2 rows, screen fault current, bending radius, service conductor temperature or fire class. Never fill a blank field from another size, supplier or cable family.<\/div>\n\n<h2>2. Designation and construction logic<\/h2>\n<div class=\"scroll\"><table><thead><tr><th>Designation \/ field<\/th><th>Engineering reading<\/th><th>Design consequence<\/th><th>Evidence status<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">N2X<\/td><td>XLPE-insulated medium-voltage cable family context.<\/td><td>Coordinate insulation, semiconducting screens, terminations and tests with the stated 6.35\/11 kV voltage.<\/td><td class=\"source\">Source construction<\/td><\/tr><tr><td class=\"key\">S<\/td><td>Metallic screen construction; source lists copper tape.<\/td><td>Screen continuity, earthing and fault duty require a controlled screen section and bonding design.<\/td><td class=\"source\">Source construction<\/td><\/tr><tr><td class=\"key\">RH \/ construction record<\/td><td>Do not rely on a letter-by-letter interpretation when the source already provides the actual build: LSZH filler, LSZH separation sheath, single galvanized steel wires and LSZH outer sheath.<\/td><td>Purchase and accessory documents should reproduce the construction sequence, not only the designation.<\/td><td class=\"source\">Construction-based interpretation<\/td><\/tr><tr><td class=\"key\">6.35\/11 kV<\/td><td>Product family title.<\/td><td>The characteristic table states Uo\/U as 6.35\/11 kV; use the exact source notation in the project schedule.<\/td><td class=\"source\">Family title + characteristic field<\/td><\/tr><tr><td class=\"key\">3 cores<\/td><td>Three-core cable.<\/td><td>Use a three-core termination and formation design; do not apply single-core cleat or screen-bond assumptions.<\/td><td class=\"source\">Official family page \/ PDF<\/td><\/tr><\/tbody><\/table><\/div>\n<div class=\"grid\"><div class=\"box\"><b>Core-by-core screen interpretation<\/b><br>The source lists conductor screen, XLPE, insulation screen and metallic screen before the filler. The diagram shows a screened-core concept for explanation, while the exact screen placement and dimensions remain controlled-drawing items.<\/div><div class=\"box\"><b>LSZH material system<\/b><br>The source explicitly lists LSZH filler, LSZH separation sheath and LSZH outer sheath. The source also lists halogen-free, gas-corrosivity and smoke-density references; confirm the current reports.<\/div><div class=\"box\"><b>Steel wire armour<\/b><br>Steel wire armour provides mechanical protection, but it is not automatically a substitute for a metallic fault-return conductor or an earthing system.<\/div><div class=\"box\"><b>Fixed-installation boundary<\/b><br>The source application covers underground and duct routes. The stated 12 (xD) factor is a laying value, not a dynamic-service rating; installation controls must be obtained before installation.<\/div><\/div>\n\n<h2>3. Standard and evidence review<\/h2>\n<div class=\"scroll\"><table><thead><tr><th>Reference<\/th><th>Role in this article<\/th><th>Engineering interpretation<\/th><th>Boundary<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">IEC 60502-2<\/td><td>Product standard listed by the source.<\/td><td>Use for the construction, dimensions and test-basis review of the applicable extruded-insulation MV cable.<\/td><td class=\"source\">Confirm the project-adopted edition and exact Feichun conformity file.<\/td><\/tr><tr><td class=\"key\">IEC 60332-3 Cat. C<\/td><td>Flame retardant reference listed by the source.<\/td><td>The source uses a bunched-cable vertical flame-spread test reference, Category C. It is not itself a CPR class.<\/td><td class=\"source\">Source gives the standard number without an edition.<\/td><\/tr><tr><td class=\"key\">LSZH system<\/td><td>LSZH filler, separation sheath and outer sheath.<\/td><td>Review smoke, corrosive gas, halogen, fire stopping and local building requirements from the actual product documentation.<\/td><td class=\"source\">LSZH and halogen-free construction are specified; confirm the current compound and test reports.<\/td><\/tr><tr><td class=\"key\">Impact resistance<\/td><td>Good.<\/td><td>Useful as a product characteristic, but route-specific impact, compression and installation loads still require design.<\/td><td class=\"source\">No detailed impact test value is supplied.<\/td><\/tr><tr><td class=\"key\">CPR fire class<\/td><td>Cca is stated in the supplied family title.<\/td><td>Use Cca as the stated class; do not add unprovided smoke, droplet or acidity qualifiers.<\/td><td class=\"source\">Not published.<\/td><\/tr><\/tbody><\/table><\/div>\n<div class=\"note\"><b>IEC scope check:<\/b> the official IEC 60502-2 record describes extruded-insulation cables from 6 kV up to 30 kV for fixed installations such as distribution networks and industrial installations. N2XSEHRH is listed by the product source under IEC 60502-2; the exact edition and project conformity evidence still need to be controlled.<\/div>\n\n<h2>4. Complete source specification<\/h2>\n<div class=\"note\"><b>Every user-provided field is preserved below.<\/b> The article uses \u201cNot published\u201d or the source dash where the record does not provide a value. The official PDF adds the 250 \u00b0C short-circuit conductor temperature, while preserving the dash fields.<\/div>\n<div class=\"scroll\"><table><thead><tr><th>Specification field<\/th><th>Reference value<\/th><th>Engineering interpretation<\/th><th>Evidence status<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">Product designation<\/td><td class=\"source\">CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH – 6.35\/11 kV – Cca Class<\/td><td>Three-core XLPE-insulated copper-conductor cable with copper-tape screen, LSZH filler, LSZH separation sheath, single-layer galvanized steel wire armour and LSZH outer sheath.<\/td><td class=\"source\">Supplied \/ official family reference<\/td><\/tr><tr><td class=\"key\">Product description<\/td><td class=\"source\">6.35\/11 kV XLPE insulated, steel wire armoured, three core LSZH sheathed cables with copper conductor<\/td><td>A fixed-installation MV cable architecture for energy networks where low-smoke, halogen-free and flame-retardant cables are specified.<\/td><td class=\"source\">Supplied source \/ official family page<\/td><\/tr><tr><td class=\"key\">Product standard<\/td><td class=\"source\">BS 7835<\/td><td>The source lists BS 7835. Confirm the project-adopted edition, accessories and exact Feichun conformity route before release.<\/td><td class=\"source\">Supplied source \u2014 current edition to be confirmed<\/td><\/tr><tr><td class=\"key\">Conductor material<\/td><td class=\"source\">Copper<\/td><td>Phase conductors are identified as copper; the supplied matrix provides 70, 95, 120, 150, 185, 240, 300 and 400 mm\u00b2 nominal areas.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Conductor shape<\/td><td class=\"source\">Circular compacted<\/td><td>The official 3×95 mm\u00b2 record identifies a circular compacted conductor; confirm the shape for every ordered size.<\/td><td class=\"source\">Official 3×95 mm\u00b2 product page \/ PDF<\/td><\/tr><tr><td class=\"key\">Number of cores<\/td><td class=\"source\">3<\/td><td>Three-core construction; phase arrangement is internal to the cable, but termination, earthing and system protection remain project-level decisions.<\/td><td class=\"source\">Supplied source \/ official family page<\/td><\/tr><tr><td class=\"key\">Rated Voltage Uo\/U (Um)<\/td><td class=\"source\">6.35 \/ 11 kV<\/td><td>The source gives Uo\/U as 6.35\/11 kV; no separate Um value is printed in the supplied record.<\/td><td class=\"source\">Supplied source \/ official family page<\/td><\/tr><tr><td class=\"key\">Mechanical resistance to impacts<\/td><td class=\"source\">Good<\/td><td>Impact resistance is listed as Good; exact impact test basis and route loads must be confirmed for Feichun.<\/td><td class=\"source\">Supplied source \/ official family page<\/td><\/tr><tr><td class=\"key\">Operating temperature, range<\/td><td class=\"source\">-20 … 90 \u00b0C<\/td><td>The source usage range; ambient, laying, accessory and sheath limits still govern the complete installation.<\/td><td class=\"source\">Supplied source \/ official family page<\/td><\/tr><tr><td class=\"key\">Short-circuit max. conductor temperature<\/td><td class=\"source\">250 \u00b0C<\/td><td>Use with conductor I\u00b2t, protection clearing time, screen duty, armour treatment and accessory capability.<\/td><td class=\"source\">Supplied source \/ official family PDF<\/td><\/tr><tr><td class=\"key\">Bending factor when laying<\/td><td class=\"source\">12 (xD)<\/td><td>The stated laying factor supports a size-specific radius screening calculation; accessory instructions and the controlled method statement remain decisive.<\/td><td class=\"source\">Supplied source \/ official family page<\/td><\/tr><tr><td class=\"key\">Max. conductor temperature in service<\/td><td class=\"source\">90 \u00b0C<\/td><td>Continuous conductor temperature limit stated by the source; use with the actual formation, ambient and accessory limits.<\/td><td class=\"source\">Supplied source \/ official family page<\/td><\/tr><tr><td class=\"key\">Flame retardant<\/td><td class=\"source\">IEC 60332-3 Cat. C<\/td><td>Bunched-cable vertical flame-spread test reference, Category C; it is not by itself a complete CPR declaration.<\/td><td class=\"source\">Supplied source \/ official family page<\/td><\/tr><tr><td class=\"key\">Gases corrosivity<\/td><td class=\"source\">IEC 60754-2<\/td><td>Corrosivity-related fire test reference; use the current product report and route fire strategy.<\/td><td class=\"source\">Supplied source \/ official family page<\/td><\/tr><tr><td class=\"key\">Smoke density<\/td><td class=\"source\">IEC 61034<\/td><td>Smoke-density test reference as written in the supplied record; cable grouping, ventilation and enclosure geometry remain project-level fire inputs.<\/td><td class=\"source\">Supplied source \/ official family page<\/td><\/tr><tr><td class=\"key\">Fire performance class<\/td><td class=\"source\">Cca<\/td><td>Cca is the family fire-class designation. The older 3×95 mm\u00b2 product record separately declares Cca-s1,d2,a1; do not generalise that sub-class to every matrix row without current product evidence.<\/td><td class=\"source\">Supplied family title \/ older 3×95 mm\u00b2 product DoP<\/td><\/tr><tr><td class=\"key\">Conductor screen<\/td><td class=\"source\">Semi-conducting compound (XLPE)<\/td><td>Radial electric-field transition at the conductor-to-XLPE interface.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Insulation<\/td><td class=\"source\">XLPE<\/td><td>Primary solid dielectric layer for the stated MV voltage class.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Insulation screen<\/td><td class=\"source\">Semi-conducting compound (XLPE)<\/td><td>Controls the outer electric-field interface around each insulated core.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Semi-conducting tape<\/td><td class=\"source\">Crape paper<\/td><td>The source identifies a semi-conducting tape layer; retain the source wording and confirm material specification in the controlled drawing.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Metallic screen<\/td><td class=\"source\">Copper tape<\/td><td>Copper-tape screening is listed, but screen geometry, section and short-circuit duty are not published in the supplied matrix.<\/td><td class=\"source\">Supplied source \u2014 numerical screen data absent<\/td><\/tr><tr><td class=\"key\">Filler<\/td><td class=\"source\">LSZH<\/td><td>Fills the interstices of the three-core assembly and supports the circular cable build while preserving the low-smoke, halogen-free material concept.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Separation sheath<\/td><td class=\"source\">LSZH<\/td><td>Separates the three-core assembly from the galvanized steel wire armour.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Armour<\/td><td class=\"source\">Single layer galvanized steel wire<\/td><td>Provides mechanical protection; wire diameter, lay, coverage, bonding and fault-current behaviour require the released drawing.<\/td><td class=\"source\">Supplied source \/ official family page<\/td><\/tr><tr><td class=\"key\">Outer sheath<\/td><td class=\"source\">LSZH<\/td><td>Low-smoke, halogen-free external protection; the official 3×95 mm\u00b2 record lists red sheath colour; exact compound, colour, thickness and fire declaration must match the released product.<\/td><td class=\"source\">Supplied source \/ official 3×95 mm\u00b2 product page<\/td><\/tr><tr><td class=\"key\">Sheath colour<\/td><td class=\"source\">Red<\/td><td>The official 3×95 mm\u00b2 product page lists a red outer sheath; verify colour for each ordered size and market.<\/td><td class=\"source\">Official 3×95 mm\u00b2 product page<\/td><\/tr><tr><td class=\"key\">Application<\/td><td class=\"source\">Energy networks where low smoke, halogen free and flame retardant cables are specified; underground, in ducts or in air<\/td><td>Use for fixed routes after voltage, thermal, mechanical, fire, water, earthing and accessory conditions are closed by design.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Source record supplied by user<\/td><td class=\"source\">Generated 8\/4\/26 \u2014 www.nexans.com.tr \u2014 Page 1 \/ 2<\/td><td>Preserved exactly as supplied; revision identity must be checked against the controlled release.<\/td><td class=\"source\">Supplied source metadata<\/td><\/tr><tr><td class=\"key\">Source record continuation<\/td><td class=\"source\">CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH – 6.35\/11 kV – Cca Class \u2014 Page 2 \/ 2<\/td><td>The supplied characteristics and 70\u2013400 mm\u00b2 matrix are treated as the user reference record for this article.<\/td><td class=\"source\">Supplied source metadata<\/td><\/tr><tr><td class=\"key\">Official family PDF record<\/td><td class=\"source\">Generated 8\/4\/26 \u2014 Page 1 \/ 2 and Page 2 \/ 2<\/td><td>The official family PDF matches the supplied family-level record; the older size-specific product PDF is retained separately below.<\/td><td class=\"source\">Official family PDF metadata<\/td><\/tr><tr><td class=\"key\">Older product PDF record<\/td><td class=\"source\">CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH 3×95 mm\u00b2 \u2014 Generated 9\/14\/25<\/td><td>The older size-specific PDF is retained as a separate revision record. Its 3×95 mm\u00b2 declaration is not automatically the declaration for every size in the current family matrix.<\/td><td class=\"source\">Older official product PDF metadata<\/td><\/tr><tr><td class=\"key\">Older 3×95 mm\u00b2 product DoP<\/td><td class=\"source\">Cca-s1,d2,a1 \u2014 DoP 1000754-TRDE<\/td><td>The official 3×95 mm\u00b2 product record reports certification date 10\/18\/18, AVCP System 1+ and notified body 1008. Treat this as a size-specific historical record.<\/td><td class=\"source\">Older official 3×95 mm\u00b2 product page \/ DoP<\/td><\/tr><\/tbody><\/table><\/div>\n\n<h2>5. Published-data limitations and what cannot yet be calculated<\/h2>\n<div class=\"scroll\"><table><thead><tr><th>Required design input<\/th><th>Source state<\/th><th>Why it matters<\/th><th>Required Feichun release action<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">Conductor cross-section<\/td><td class=\"source\">70 \/ 95 \/ 120 \/ 150 \/ 185 \/ 240 \/ 300 \/ 400 mm\u00b2<\/td><td>The matrix supplies area, resistance, mass and diameter; formation-specific accessory and installation verification remain necessary.<\/td><td class=\"source\">Publish a size-specific data sheet and product code.<\/td><\/tr><tr><td class=\"key\">Continuous maximum conductor temperature<\/td><td class=\"source\">90 \u00b0C<\/td><td>Operating range -20 … 90 \u00b0C is not a continuous conductor-temperature declaration.<\/td><td class=\"source\">Confirm continuous service limit with XLPE, screen, sheath and accessories.<\/td><\/tr><tr><td class=\"key\">Bending factor when laying<\/td><td class=\"source\">12 (xD)<\/td><td>A size-specific laying-radius screening value can be calculated; pulling and entry geometry cannot be released safely.<\/td><td class=\"source\">Publish installation factor and accessory-specific limits.<\/td><\/tr><tr><td class=\"key\">Current ratings<\/td><td class=\"source\">253\u2013683 A in air; 220\u2013541 A buried across the matrix<\/td><td>The supplied flat ratings still require recalculation for the actual formation, ambient, soil and grouping.<\/td><td class=\"source\">Publish or calculate ratings with the stated installation basis.<\/td><\/tr><tr><td class=\"key\">Screen \/ armour fault duty<\/td><td class=\"source\">Not supplied<\/td><td>Earth-fault path, screen bonding, galvanized steel wire behaviour and protection coordination remain unresolved.<\/td><td class=\"source\">Release screen section, armour details and I\u00b2t capability.<\/td><\/tr><tr><td class=\"key\">Fire classification<\/td><td class=\"source\">Cca<\/td><td>The product-specific DoP declares Cca; do not infer additional s\/d\/a qualifiers.<\/td><td class=\"source\">Provide product-specific declaration if required by the project.<\/td><\/tr><\/tbody><\/table><\/div>\n<div class=\"warn\"><b>Engineering stop condition:<\/b> the cable can be described and structurally reviewed from the source, but it cannot be fully sized, thermally rated or radius-released until the missing fields are closed for the exact Feichun construction.<\/div>\n\n<h2>6. Complete technical matrix \u2014 CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH 6.35\/11 kV Cca<\/h2>\n<p>The following matrix preserves all eight supplied product rows exactly. Current ratings are stated for air at 30 \u00b0C and buried flat formation at 20 \u00b0C; they are not universal ampacity values.<\/p>\n<div class=\"scroll\"><table class=\"matrix\"><thead><tr><th>Cross section<br>[mm\u00b2]<\/th><th>Nominal outer diameter<br>[mm]<\/th><th>Approx. weight<br>[kg\/km]<\/th><th>Perm. current rating<br>in air 30 \u00b0C \u2014 flat<br>[A]<\/th><th>Perm. current rating<br>buried 20 \u00b0C \u2014 flat<br>[A]<\/th><th>Nominal phase capacitance<br>[\u00b5F\/km]<\/th><th>Nominal inductance<br>[mH\/km]<\/th><th>Max. DC resistance<br>conductor at 20 \u00b0C<br>[Ohm\/km]<\/th><th>Short-circuit conductor<br>1 s [kA]<\/th><th>Short-circuit screen<br>1 s [kA]<\/th><th>Nexans Ref.<\/th><\/tr><\/thead><tbody><tr><td class=\"source\">70<\/td><td class=\"source\">57.0<\/td><td class=\"source\">6250<\/td><td class=\"source\">253<\/td><td class=\"source\">220<\/td><td class=\"source\">0.273<\/td><td class=\"source\">0.326<\/td><td class=\"source\">0.268<\/td><td class=\"source\">10<\/td><td class=\"source\">1.74<\/td><td class=\"source\">10551043<\/td><\/tr><tr><td class=\"source\">95<\/td><td class=\"source\">61.0<\/td><td class=\"source\">7500<\/td><td class=\"source\">307<\/td><td class=\"source\">263<\/td><td class=\"source\">0.307<\/td><td class=\"source\">0.311<\/td><td class=\"source\">0.193<\/td><td class=\"source\">13.6<\/td><td class=\"source\">1.74<\/td><td class=\"source\">10551044<\/td><\/tr><tr><td class=\"source\">120<\/td><td class=\"source\">65.0<\/td><td class=\"source\">8500<\/td><td class=\"source\">352<\/td><td class=\"source\">298<\/td><td class=\"source\">0.339<\/td><td class=\"source\">0.3<\/td><td class=\"source\">0.153<\/td><td class=\"source\">17.2<\/td><td class=\"source\">1.74<\/td><td class=\"source\">10551045<\/td><\/tr><tr><td class=\"source\">150<\/td><td class=\"source\">68.0<\/td><td class=\"source\">9750<\/td><td class=\"source\">397<\/td><td class=\"source\">332<\/td><td class=\"source\">0.363<\/td><td class=\"source\">0.292<\/td><td class=\"source\">0.124<\/td><td class=\"source\">21.4<\/td><td class=\"source\">2.31<\/td><td class=\"source\">10551046<\/td><\/tr><tr><td class=\"source\">185<\/td><td class=\"source\">74.0<\/td><td class=\"source\">12500<\/td><td class=\"source\">453<\/td><td class=\"source\">374<\/td><td class=\"source\">0.396<\/td><td class=\"source\">0.284<\/td><td class=\"source\">0.099<\/td><td class=\"source\">26.5<\/td><td class=\"source\">2.31<\/td><td class=\"source\">10551047<\/td><\/tr><tr><td class=\"source\">240<\/td><td class=\"source\">80.0<\/td><td class=\"source\">14500<\/td><td class=\"source\">529<\/td><td class=\"source\">431<\/td><td class=\"source\">0.446<\/td><td class=\"source\">0.273<\/td><td class=\"source\">0.075<\/td><td class=\"source\">34.3<\/td><td class=\"source\">2.31<\/td><td class=\"source\">10551048<\/td><\/tr><tr><td class=\"source\">300<\/td><td class=\"source\">85.0<\/td><td class=\"source\">17000<\/td><td class=\"source\">599<\/td><td class=\"source\">482<\/td><td class=\"source\">0.488<\/td><td class=\"source\">0.266<\/td><td class=\"source\">0.06<\/td><td class=\"source\">42.9<\/td><td class=\"source\">2.89<\/td><td class=\"source\">10551049<\/td><\/tr><tr><td class=\"source\">400<\/td><td class=\"source\">92.0<\/td><td class=\"source\">20500<\/td><td class=\"source\">683<\/td><td class=\"source\">541<\/td><td class=\"source\">0.545<\/td><td class=\"source\">0.258<\/td><td class=\"source\">0.047<\/td><td class=\"source\">57.2<\/td><td class=\"source\">2.89<\/td><td class=\"source\">10551050<\/td><\/tr><\/tbody><\/table><\/div>\n<p class=\"small\">The supplied matrix is a reference record. Final Feichun dimensions, mass, electrical values, installation ratings and accessory compatibility must be released for the ordered construction.<\/p>\n<div class=\"scroll\"><table><thead><tr><th>Cross section<\/th><th>Published outer diameter<\/th><th>Derived laying calculation<\/th><th>Derived minimum laying radius<\/th><th>Mass conversion<\/th><\/tr><\/thead><tbody><tr><td>70 mm\u00b2<\/td><td>12 \u00d7 57.0 mm<\/td><td class=\"derived\">684.0 mm<\/td><td>6250 kg\/km<\/td><td class=\"derived\">625.0 kg\/100 m<\/td><\/tr><tr><td>95 mm\u00b2<\/td><td>12 \u00d7 61.0 mm<\/td><td class=\"derived\">732.0 mm<\/td><td>7500 kg\/km<\/td><td class=\"derived\">750.0 kg\/100 m<\/td><\/tr><tr><td>120 mm\u00b2<\/td><td>12 \u00d7 65.0 mm<\/td><td class=\"derived\">780.0 mm<\/td><td>8500 kg\/km<\/td><td class=\"derived\">850.0 kg\/100 m<\/td><\/tr><tr><td>150 mm\u00b2<\/td><td>12 \u00d7 68.0 mm<\/td><td class=\"derived\">816.0 mm<\/td><td>9750 kg\/km<\/td><td class=\"derived\">975.0 kg\/100 m<\/td><\/tr><tr><td>185 mm\u00b2<\/td><td>12 \u00d7 74.0 mm<\/td><td class=\"derived\">888.0 mm<\/td><td>12500 kg\/km<\/td><td class=\"derived\">1250.0 kg\/100 m<\/td><\/tr><tr><td>240 mm\u00b2<\/td><td>12 \u00d7 80.0 mm<\/td><td class=\"derived\">960.0 mm<\/td><td>14500 kg\/km<\/td><td class=\"derived\">1450.0 kg\/100 m<\/td><\/tr><tr><td>300 mm\u00b2<\/td><td>12 \u00d7 85.0 mm<\/td><td class=\"derived\">1020.0 mm<\/td><td>17000 kg\/km<\/td><td class=\"derived\">1700.0 kg\/100 m<\/td><\/tr><tr><td>400 mm\u00b2<\/td><td>12 \u00d7 92.0 mm<\/td><td class=\"derived\">1104.0 mm<\/td><td>20500 kg\/km<\/td><td class=\"derived\">2050.0 kg\/100 m<\/td><\/tr><\/tbody><\/table><\/div>\n<p class=\"small\"><b>Derived values:<\/b> radius = 12 \u00d7 nominal outer diameter; mass per 100 m = approximate kg\/km \u00f7 10. These are arithmetic screening values, not a substitute for the controlled installation instruction.<\/p>\n<h2>8. Layer-by-layer cross-section<\/h2>\n<div class=\"svg\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 1900 1380\" role=\"img\" aria-label=\"Physically credible three-core N2XSEHRH cable cross-section with copper cores, XLPE, copper screens, LSZH filler, LSZH sheath and single-layer galvanized steel wire armour\">\n<defs>\n<radialGradient id=\"n2xse-outer\" cx=\"30%\" cy=\"22%\"><stop stop-color=\"#56636c\"\/><stop offset=\".65\" stop-color=\"#28343b\"\/><stop offset=\"1\" stop-color=\"#0e161c\"\/><\/radialGradient>\n<radialGradient id=\"n2xse-lszh\" cx=\"30%\" cy=\"22%\"><stop stop-color=\"#496674\"\/><stop offset=\".65\" stop-color=\"#273e49\"\/><stop offset=\"1\" stop-color=\"#12212a\"\/><\/radialGradient>\n<radialGradient id=\"n2xse-xlpe\" cx=\"30%\" cy=\"22%\"><stop stop-color=\"#f8ebc9\"\/><stop offset=\".72\" stop-color=\"#d5bd8a\"\/><stop offset=\"1\" stop-color=\"#92764c\"\/><\/radialGradient>\n<radialGradient id=\"n2xse-cu\" cx=\"30%\" cy=\"22%\"><stop stop-color=\"#f1b26e\"\/><stop offset=\".65\" stop-color=\"#bf682b\"\/><stop offset=\"1\" stop-color=\"#703313\"\/><\/radialGradient>\n<pattern id=\"n2xse-strands\" width=\"16\" height=\"16\" patternUnits=\"userSpaceOnUse\"><circle cx=\"4\" cy=\"4\" r=\"3.2\" fill=\"#f4c383\"\/><circle cx=\"12\" cy=\"4\" r=\"3.2\" fill=\"#b75c26\"\/><circle cx=\"8\" cy=\"12\" r=\"3.2\" fill=\"#d67a33\"\/><\/pattern>\n<pattern id=\"n2xse-screen\" width=\"16\" height=\"16\" patternUnits=\"userSpaceOnUse\"><path d=\"M0 3 L16 13 M-4 3 L12 13 M4 -3 L20 7\" stroke=\"#d8b44d\" stroke-width=\"3.5\"\/><path d=\"M0 13 L16 3 M-4 13 L12 3 M4 19 L20 9\" stroke=\"#8c651e\" stroke-width=\"2.5\"\/><\/pattern>\n<pattern id=\"n2xse-steel\" width=\"30\" height=\"30\" patternUnits=\"userSpaceOnUse\"><path d=\"M0 4 H30 M0 15 H30 M0 26 H30\" stroke=\"#dbe3e7\" stroke-width=\"7\"\/><path d=\"M0 4 H30 M0 15 H30 M0 26 H30\" stroke=\"#66747c\" stroke-width=\"2\"\/><\/pattern>\n<marker id=\"n2xse-arrow\" markerWidth=\"12\" markerHeight=\"12\" refX=\"10\" refY=\"4\" orient=\"auto\"><path d=\"M0 0 L12 4 L0 8 Z\" fill=\"#dcebf0\"\/><\/marker>\n<\/defs>\n<rect width=\"1900\" height=\"1380\" fill=\"#06131b\"\/>\n<text x=\"62\" y=\"67\" fill=\"#55dff7\" font-family=\"Arial\" font-size=\"36\" font-weight=\"700\">CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH 6.35\/11 kV \u2014 three-core source construction<\/text>\n<text x=\"62\" y=\"107\" fill=\"#adc4ce\" font-family=\"Arial\" font-size=\"18\">Copper conductors \u00b7 XLPE insulation \u00b7 copper tape \u00b7 LSZH filler \u00b7 LSZH separation sheath \u00b7 single-layer galvanized steel wire armour \u00b7 LSZH outer sheath.<\/text>\n<text x=\"62\" y=\"141\" fill=\"#ffaaa5\" font-family=\"Arial\" font-size=\"16\">Conceptual engineering reconstruction, not a manufacturing drawing. The matrix supplies 70, 95, 120, 150, 185, 240, 300 and 400 mm\u00b2 conductor areas; the source does not publish screen section or layer dimensions.<\/text>\n<g transform=\"translate(640 790)\">\n <circle r=\"505\" fill=\"url(#n2xse-outer)\" stroke=\"#9eabb2\" stroke-width=\"14\"\/>\n <circle r=\"445\" fill=\"url(#n2xse-steel)\" stroke=\"#dce5e8\" stroke-width=\"12\"\/>\n <circle r=\"407\" fill=\"url(#n2xse-lszh)\" stroke=\"#7396a5\" stroke-width=\"9\"\/>\n <circle cx=\"-150\" cy=\"-115\" r=\"175\" fill=\"url(#n2xse-screen)\" stroke=\"#e8c37b\" stroke-width=\"11\"\/>\n <circle cx=\"150\" cy=\"-115\" r=\"175\" fill=\"url(#n2xse-screen)\" stroke=\"#e8c37b\" stroke-width=\"11\"\/>\n <circle cx=\"0\" cy=\"155\" r=\"175\" fill=\"url(#n2xse-screen)\" stroke=\"#e8c37b\" stroke-width=\"11\"\/>\n <g>\n <circle cx=\"-150\" cy=\"-115\" r=\"145\" fill=\"#3e646f\" stroke=\"#9fcbd1\" stroke-width=\"7\" stroke-dasharray=\"8 10\"\/><circle cx=\"150\" cy=\"-115\" r=\"145\" fill=\"#3e646f\" stroke=\"#9fcbd1\" stroke-width=\"7\" stroke-dasharray=\"8 10\"\/><circle cx=\"0\" cy=\"155\" r=\"145\" fill=\"#3e646f\" stroke=\"#9fcbd1\" stroke-width=\"7\" stroke-dasharray=\"8 10\"\/>\n <circle cx=\"-150\" cy=\"-115\" r=\"118\" fill=\"url(#n2xse-xlpe)\" stroke=\"#ffe8a5\" stroke-width=\"9\"\/><circle cx=\"150\" cy=\"-115\" r=\"118\" fill=\"url(#n2xse-xlpe)\" stroke=\"#ffe8a5\" stroke-width=\"9\"\/><circle cx=\"0\" cy=\"155\" r=\"118\" fill=\"url(#n2xse-xlpe)\" stroke=\"#ffe8a5\" stroke-width=\"9\"\/>\n <circle cx=\"-150\" cy=\"-115\" r=\"59\" fill=\"url(#n2xse-cu)\" stroke=\"#f5c083\" stroke-width=\"7\"\/><circle cx=\"150\" cy=\"-115\" r=\"59\" fill=\"url(#n2xse-cu)\" stroke=\"#f5c083\" stroke-width=\"7\"\/><circle cx=\"0\" cy=\"155\" r=\"59\" fill=\"url(#n2xse-cu)\" stroke=\"#f5c083\" stroke-width=\"7\"\/>\n <circle cx=\"-150\" cy=\"-115\" r=\"43\" fill=\"url(#n2xse-strands)\" stroke=\"#ffe0a8\" stroke-width=\"4\"\/><circle cx=\"150\" cy=\"-115\" r=\"43\" fill=\"url(#n2xse-strands)\" stroke=\"#ffe0a8\" stroke-width=\"4\"\/><circle cx=\"0\" cy=\"155\" r=\"43\" fill=\"url(#n2xse-strands)\" stroke=\"#ffe0a8\" stroke-width=\"4\"\/>\n <\/g>\n <text x=\"-176\" y=\"-105\" fill=\"#fff1c1\" font-family=\"Arial\" font-size=\"20\" font-weight=\"700\">L1<\/text><text x=\"125\" y=\"-105\" fill=\"#fff1c1\" font-family=\"Arial\" font-size=\"20\" font-weight=\"700\">L2<\/text><text x=\"-25\" y=\"165\" fill=\"#fff1c1\" font-family=\"Arial\" font-size=\"20\" font-weight=\"700\">L3<\/text>\n<\/g>\n<g font-family=\"Arial\" fill=\"#eaf6fa\">\n <line x1=\"1040\" y1=\"300\" x2=\"1390\" y2=\"160\" stroke=\"#dcebf0\" stroke-width=\"3\" marker-end=\"url(#n2xse-arrow)\"\/><text x=\"1415\" y=\"157\" font-size=\"24\" font-weight=\"700\" fill=\"#c9d8dd\">1. LSZH outer sheath<\/text><text x=\"1415\" y=\"190\" font-size=\"18\">External LSZH environmental and mechanical interface.<\/text>\n <line x1=\"980\" y1=\"410\" x2=\"1390\" y2=\"300\" stroke=\"#dcebf0\" stroke-width=\"3\" marker-end=\"url(#n2xse-arrow)\"\/><text x=\"1415\" y=\"297\" font-size=\"24\" font-weight=\"700\" fill=\"#dce5e8\">2. Single-layer galvanized steel wire armour<\/text><text x=\"1415\" y=\"330\" font-size=\"18\">Armour system for mechanical protection; exact tape geometry is unpublished.<\/text>\n <line x1=\"930\" y1=\"520\" x2=\"1390\" y2=\"450\" stroke=\"#dcebf0\" stroke-width=\"3\" marker-end=\"url(#n2xse-arrow)\"\/><text x=\"1415\" y=\"447\" font-size=\"24\" font-weight=\"700\" fill=\"#7eafbf\">3. LSZH separation sheath<\/text><text x=\"1415\" y=\"480\" font-size=\"18\">Separates the three-core assembly from the galvanized steel wires.<\/text>\n <line x1=\"845\" y1=\"640\" x2=\"1390\" y2=\"600\" stroke=\"#dcebf0\" stroke-width=\"3\" marker-end=\"url(#n2xse-arrow)\"\/><text x=\"1415\" y=\"597\" font-size=\"24\" font-weight=\"700\" fill=\"#e8c37b\">4. Copper tape<\/text><text x=\"1415\" y=\"630\" font-size=\"18\">Metallic screen around the insulated core construction; exact arrangement requires confirmation.<\/text>\n <line x1=\"405\" y1=\"620\" x2=\"70\" y2=\"355\" stroke=\"#dcebf0\" stroke-width=\"3\" marker-end=\"url(#n2xse-arrow)\"\/><text x=\"62\" y=\"290\" font-size=\"24\" font-weight=\"700\" fill=\"#6ca8b6\">5. LSZH filler<\/text><text x=\"62\" y=\"323\" font-size=\"18\">Fills interstitial spaces between the three screened cores.<\/text>\n <line x1=\"410\" y1=\"750\" x2=\"70\" y2=\"690\" stroke=\"#dcebf0\" stroke-width=\"3\" marker-end=\"url(#n2xse-arrow)\"\/><text x=\"62\" y=\"625\" font-size=\"24\" font-weight=\"700\" fill=\"#9ce9f3\">6. XLPE core insulation and semicon screens<\/text><text x=\"62\" y=\"658\" font-size=\"18\">Three separately insulated MV cores; exact conductor area is not published.<\/text>\n <line x1=\"445\" y1=\"930\" x2=\"70\" y2=\"1080\" stroke=\"#dcebf0\" stroke-width=\"3\" marker-end=\"url(#n2xse-arrow)\"\/><text x=\"62\" y=\"1020\" font-size=\"24\" font-weight=\"700\" fill=\"#e8a568\">7. Copper conductors<\/text><text x=\"62\" y=\"1053\" font-size=\"18\">Three phases; source field: conductor cross-section \u201c70 \/ 95 \/ 120 \/ 150 \/ 185 \/ 240 \/ 300 \/ 400 mm\u00b2\u201d.<\/text>\n <rect x=\"1050\" y=\"1000\" width=\"720\" height=\"135\" rx=\"12\" fill=\"#081b24\" stroke=\"#315b6f\" stroke-width=\"2\"\/><text x=\"1080\" y=\"1040\" font-size=\"19\" fill=\"#55dff7\">Physical note:<\/text><text x=\"1080\" y=\"1072\" font-size=\"18\">The drawing shows an individual screened-core concept for explanation.<\/text><text x=\"1080\" y=\"1103\" font-size=\"18\">Confirm screen placement and dimensions from the released manufacturing drawing.<\/text>\n <text x=\"1080\" y=\"1265\" font-size=\"20\" font-weight=\"700\" fill=\"#ffaaa5\">Not to scale \u00b7 no numerical layer thickness or conductor area is inferred.<\/text>\n<\/g><\/svg><\/div>\n<p>The source sequence is: copper conductor; semiconducting conductor screen; XLPE insulation; semiconducting insulation screen; copper tape metallic screen; LSZH filler; LSZH separation sheath; single galvanized steel wires; LSZH outer sheath. The cross-section is intentionally labelled as a conceptual screened-core arrangement because the source does not publish exact screen placement, core dimensions or armour geometry.<\/p>\n<div class=\"grid\"><div class=\"box\"><b>Three insulated cores<\/b><br>Each phase is shown with the listed conductor screen, XLPE insulation and insulation screen. The source does not publish the conductor area.<\/div><div class=\"box\"><b>Copper metallic screen<\/b><br>Screen continuity and bonding are part of MV electric-field and earth-fault design. The source does not publish a screen section or short-circuit current.<\/div><div class=\"box\"><b>LSZH filler<\/b><br>Filler maintains assembly geometry and supports the separation sheath. Filler selection influences circularity, sheath interface and termination preparation.<\/div><div class=\"box\"><b>Single-layer galvanized steel wire armour<\/b><br>Armour provides mechanical protection but exact overlap, tape width, thickness, lay and bonding must come from the controlled construction drawing.<\/div><\/div>\n\n<h2>9. Three-core electrical and mechanical system<\/h2>\n<div class=\"svg\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 1900 980\" role=\"img\" aria-label=\"CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH three-core cable electrical system showing phases, metallic screens, steel wire armour and fault path review\">\n<defs><marker id=\"elec-arrow-n2xse\" markerWidth=\"12\" markerHeight=\"12\" refX=\"10\" refY=\"4\" orient=\"auto\"><path d=\"M0 0 L12 4 L0 8 Z\" fill=\"#dcebf0\"\/><\/marker><linearGradient id=\"elec-cable-n2xse\" x1=\"0\" x2=\"1\"><stop stop-color=\"#536d77\"\/><stop offset=\"1\" stop-color=\"#1a252b\"\/><\/linearGradient><\/defs>\n<rect width=\"1900\" height=\"980\" fill=\"#06131b\"\/>\n<text x=\"60\" y=\"66\" fill=\"#55dff7\" font-family=\"Arial\" font-size=\"36\" font-weight=\"700\">CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH three-core system \u2014 electric field, screen and armour review<\/text>\n<text x=\"60\" y=\"105\" fill=\"#adc4ce\" font-family=\"Arial\" font-size=\"18\">Three-core construction simplifies phase grouping, but the metallic screen, steel wire armour, terminations and earth-fault path still require a controlled system design.<\/text>\n<g font-family=\"Arial\" fill=\"#eaf6fa\">\n <rect x=\"70\" y=\"210\" width=\"520\" height=\"555\" rx=\"16\" fill=\"#0b202b\" stroke=\"#55dff7\" stroke-width=\"4\"\/><text x=\"130\" y=\"275\" font-size=\"26\" font-weight=\"700\" fill=\"#55dff7\">Three phase cores<\/text>\n <circle cx=\"245\" cy=\"470\" r=\"105\" fill=\"#2e5662\" stroke=\"#dcebf0\" stroke-width=\"9\"\/><circle cx=\"245\" cy=\"470\" r=\"45\" fill=\"#be6c31\" stroke=\"#f3bd7a\" stroke-width=\"7\"\/><text x=\"222\" y=\"478\" font-size=\"21\" font-weight=\"700\">L1<\/text>\n <circle cx=\"420\" cy=\"470\" r=\"105\" fill=\"#2e5662\" stroke=\"#dcebf0\" stroke-width=\"9\"\/><circle cx=\"420\" cy=\"470\" r=\"45\" fill=\"#be6c31\" stroke=\"#f3bd7a\" stroke-width=\"7\"\/><text x=\"397\" y=\"478\" font-size=\"21\" font-weight=\"700\">L2<\/text>\n <circle cx=\"332\" cy=\"625\" r=\"105\" fill=\"#2e5662\" stroke=\"#dcebf0\" stroke-width=\"9\"\/><circle cx=\"332\" cy=\"625\" r=\"45\" fill=\"#be6c31\" stroke=\"#f3bd7a\" stroke-width=\"7\"\/><text x=\"309\" y=\"633\" font-size=\"21\" font-weight=\"700\">L3<\/text>\n <text x=\"135\" y=\"720\" font-size=\"18\">XLPE + semicon screens<\/text><text x=\"135\" y=\"750\" font-size=\"18\">copper wires \/ tapes screen<\/text>\n <path d=\"M590 470 H760\" stroke=\"#dcebf0\" stroke-width=\"4\" marker-end=\"url(#elec-arrow-n2xse)\"\/>\n\n <rect x=\"760\" y=\"210\" width=\"500\" height=\"555\" rx=\"16\" fill=\"#0b202b\" stroke=\"#e8c37b\" stroke-width=\"4\"\/><text x=\"825\" y=\"275\" font-size=\"26\" font-weight=\"700\" fill=\"#e8c37b\">System interfaces<\/text>\n <rect x=\"850\" y=\"355\" width=\"315\" height=\"55\" rx=\"8\" fill=\"#35525c\" stroke=\"#aed0d6\" stroke-width=\"4\"\/><text x=\"925\" y=\"390\" font-size=\"19\" font-weight=\"700\">Metallic screen<\/text>\n <rect x=\"850\" y=\"455\" width=\"315\" height=\"55\" rx=\"8\" fill=\"#66747c\" stroke=\"#e2e9eb\" stroke-width=\"4\"\/><text x=\"925\" y=\"490\" font-size=\"19\" font-weight=\"700\">LSZH filler \/ sheath<\/text>\n <rect x=\"850\" y=\"555\" width=\"315\" height=\"55\" rx=\"8\" fill=\"#29343a\" stroke=\"#dce5e8\" stroke-width=\"8\"\/><text x=\"925\" y=\"590\" font-size=\"19\" font-weight=\"700\">Single-layer galvanized steel wires<\/text>\n <path d=\"M810 680 H1195\" stroke=\"#62df9c\" stroke-width=\"4\" marker-end=\"url(#elec-arrow-n2xse)\"\/><text x=\"830\" y=\"720\" font-size=\"17\" fill=\"#62df9c\">continuity \/ bonding \/ induced-current review<\/text>\n <path d=\"M1260 470 H1410\" stroke=\"#dcebf0\" stroke-width=\"4\" marker-end=\"url(#elec-arrow-n2xse)\"\/>\n\n <rect x=\"1410\" y=\"210\" width=\"410\" height=\"555\" rx=\"16\" fill=\"#0b202b\" stroke=\"#62df9c\" stroke-width=\"4\"\/><text x=\"1465\" y=\"275\" font-size=\"26\" font-weight=\"700\" fill=\"#62df9c\">Release gates<\/text><text x=\"1465\" y=\"350\" font-size=\"19\">phase identification<\/text><text x=\"1465\" y=\"395\" font-size=\"19\">screen continuity<\/text><text x=\"1465\" y=\"440\" font-size=\"19\">armour protection<\/text><text x=\"1465\" y=\"485\" font-size=\"19\">earth-fault path<\/text><text x=\"1465\" y=\"530\" font-size=\"19\">termination compatibility<\/text><text x=\"1465\" y=\"575\" font-size=\"19\">short-circuit I\u00b2t<\/text><text x=\"1465\" y=\"620\" font-size=\"19\">route mechanical loads<\/text><rect x=\"1460\" y=\"665\" width=\"310\" height=\"58\" rx=\"10\" fill=\"#081b24\" stroke=\"#ff777f\" stroke-width=\"2\"\/><text x=\"1485\" y=\"701\" font-size=\"16\" fill=\"#ffaaa5\">Matrix: 70 \/ 95 \/ 120 \/ 150 \/ 185 \/ 240 \/ 300 \/ 400 mm\u00b2; route ampacity still requires calculation.<\/text>\n <rect x=\"80\" y=\"850\" width=\"1740\" height=\"70\" rx=\"10\" fill=\"#081b24\" stroke=\"#315b6f\" stroke-width=\"2\"\/><text x=\"110\" y=\"893\" font-size=\"18\" fill=\"#ffaaa5\">Do not fill unpublished screen section, armour duty or route-specific rating data from another cable; use the supplied 70 \/ 95 \/ 120 \/ 150 \/ 185 \/ 240 \/ 300 \/ 400 mm\u00b2 matrix.<\/text>\n<\/g><\/svg><\/div>\n<div class=\"grid\"><div class=\"box\"><b>Phase geometry<\/b><br>Three-core construction fixes the relative phase geometry inside one cable. Do not reuse single-core flat or trefoil assumptions for cleats, screen currents or induced effects.<\/div><div class=\"box\"><b>Screen path<\/b><br>Copper tape are listed as metallic screen. The system requires continuity through joints and terminations, plus a defined earthing and fault-return arrangement.<\/div><div class=\"box\"><b>Steel wire armour behaviour<\/b><br>Steel wire armour is a mechanical barrier. Its electrical treatment, bonding and possible circulating-current behaviour need the actual design and standard basis.<\/div><div class=\"box\"><b>Impact versus movement<\/b><br>Good impact resistance does not establish a repeated-motion rating. The stated 12 (xD) laying factor does not establish a dynamic-service rating.<\/div><\/div>\n\n<h2>10. Thermal, voltage-drop and short-circuit design<\/h2>\n<div class=\"grid\"><div class=\"box\"><b>Thermal rating cannot be copied<\/b><br>The matrix publishes 70 \/ 95 \/ 120 \/ 150 \/ 185 \/ 240 \/ 300 \/ 400 mm\u00b2, current ratings and 90 \u00b0C service temperature; recalculate for the actual formation rather than borrowing a rating from another cable.<\/div><div class=\"box\"><b>Voltage drop needs conductor data<\/b><br>A 6.35\/11 kV label does not provide conductor resistance, inductance or load capacity. The project needs conductor area, route length, power factor, load profile and installation formation.<\/div><div class=\"box\"><b>Short-circuit boundary<\/b><br>The official PDF states a 250 \u00b0C maximum short-circuit conductor temperature, and the matrix supplies the conductor 1 s short-circuit value for each listed size; verify protection clearing time and the exact ordered row.<\/div><div class=\"box\"><b>Installation method<\/b><br>Underground, ducts and residential \/ industrial areas have different thermal, mechanical, fire and water conditions. The actual route must be the design basis.<\/div><\/div>\n<div class=\"formula\">Three-phase voltage-drop screening relation:\n\u0394U \u2248 \u221a3 \u00d7 I \u00d7 (R_ac \u00d7 cos \u03c6 + X \u00d7 sin \u03c6) \u00d7 L\n\nThermal acceptance:\nI_load \u2264 I_z(actual conductor area, formation, ambient, soil, grouping, duct, screen and accessory limits)\n\nShort-circuit coordination:\nI\u00b2t_protection \u2264 I\u00b2t_conductor \/ screen \/ armour \/ joint \/ termination system\n\nFor this supplied N2XSEHRH record, conductor area, DCR, current ratings, mass, diameter and conductor 1 s fault values are published. Impedance, screen \/ armour fault duty and the actual installation formation still require project calculation.<\/div>\n\n<h2>11. Fire and LSZH performance boundary<\/h2>\n<div class=\"grid\"><div class=\"box\"><b>IEC 60332-3 Cat. C<\/b><br>The source lists a bunched-cable vertical flame-spread reference, Category C. It is not a substitute for the product-specific Cca declaration or the project fire strategy.<\/div><div class=\"box\"><b>LSZH outer system<\/b><br>The source lists LSZH filler, LSZH separation sheath and LSZH outer sheath, together with IEC 60754-2 and IEC 61034 references. Confirm the product reports and project fire strategy.<\/div><div class=\"box\"><b>Project fire dossier<\/b><br>Confirm the current product declaration, fire barriers, penetrations, supports, cable grouping, enclosure and local construction requirements.<\/div><div class=\"box\"><b>Mechanical and fire trade-off<\/b><br>Galvanized steel wire armour and LSZH provide a different design profile from aluminium-armoured constructions. Selection should be made against the actual mechanical, fire and environmental priority.<\/div><\/div>\n<div class=\"warn\"><b>Procurement rule:<\/b> do not upgrade the stated Cca class to Cca, B2ca or unprovided s\/d\/a qualifiers; the exact Feichun construction still requires a matching current declaration and test report.<\/div>\n\n<h2>12. Fixed-route application architecture<\/h2>\n<div class=\"svg\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 1900 1000\" role=\"img\" aria-label=\"N2XSEHRH fixed three-core MV cable applications from substation through duct or underground route to industrial load\">\n<defs><linearGradient id=\"app-sky-n2xse\" x1=\"0\" x2=\"0\" y1=\"0\" y2=\"1\"><stop stop-color=\"#0b3347\"\/><stop offset=\"1\" stop-color=\"#06131b\"\/><\/linearGradient><linearGradient id=\"app-ground-n2xse\" x1=\"0\" x2=\"0\" y1=\"0\" y2=\"1\"><stop stop-color=\"#304e55\"\/><stop offset=\"1\" stop-color=\"#0a1b24\"\/><\/linearGradient><marker id=\"app-arrow-n2xse\" markerWidth=\"12\" markerHeight=\"12\" refX=\"10\" refY=\"4\" orient=\"auto\"><path d=\"M0 0 L12 4 L0 8 Z\" fill=\"#dcebf0\"\/><\/marker><\/defs>\n<rect width=\"1900\" height=\"1000\" fill=\"url(#app-sky-n2xse)\"\/><rect y=\"650\" width=\"1900\" height=\"350\" fill=\"url(#app-ground-n2xse)\"\/><path d=\"M0 650 H1900\" stroke=\"#7f9ea4\" stroke-width=\"4\"\/>\n<text x=\"60\" y=\"66\" fill=\"#55dff7\" font-family=\"Arial\" font-size=\"36\" font-weight=\"700\">CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH 6.35\/11 kV \u2014 fixed-route application architecture<\/text><text x=\"60\" y=\"106\" fill=\"#adc4ce\" font-family=\"Arial\" font-size=\"18\">Three-core XLPE copper cable with single-layer galvanized steel wire armour for residential \/ industrial areas, underground routes and ducts.<\/text>\n<g font-family=\"Arial\" fill=\"#eaf6fa\">\n <rect x=\"70\" y=\"220\" width=\"280\" height=\"260\" rx=\"15\" fill=\"#0b202b\" stroke=\"#55dff7\" stroke-width=\"4\"\/><path d=\"M125 395 V295 H295 V395\" fill=\"none\" stroke=\"#a7bcc2\" stroke-width=\"13\"\/><path d=\"M145 395 H275\" stroke=\"#a7bcc2\" stroke-width=\"13\"\/><circle cx=\"210\" cy=\"285\" r=\"35\" fill=\"#e8c37b\"\/><text x=\"120\" y=\"435\" font-size=\"24\" font-weight=\"700\" fill=\"#55dff7\">MV substation<\/text><text x=\"130\" y=\"467\" font-size=\"17\">6.35\/11 kV feeder<\/text>\n <rect x=\"480\" y=\"220\" width=\"280\" height=\"260\" rx=\"15\" fill=\"#0b202b\" stroke=\"#62df9c\" stroke-width=\"4\"\/><rect x=\"535\" y=\"285\" width=\"170\" height=\"115\" fill=\"#263941\" stroke=\"#a6c2c7\" stroke-width=\"6\"\/><circle cx=\"570\" cy=\"320\" r=\"10\" fill=\"#62df9c\"\/><circle cx=\"610\" cy=\"320\" r=\"10\" fill=\"#ff777f\"\/><circle cx=\"650\" cy=\"320\" r=\"10\" fill=\"#55dff7\"\/><path d=\"M560 370 H680\" stroke=\"#e8c37b\" stroke-width=\"8\"\/><text x=\"530\" y=\"435\" font-size=\"24\" font-weight=\"700\" fill=\"#62df9c\">Switchgear<\/text><text x=\"527\" y=\"467\" font-size=\"17\">screen \/ armour bond<\/text>\n <rect x=\"890\" y=\"220\" width=\"280\" height=\"260\" rx=\"15\" fill=\"#0b202b\" stroke=\"#e8c37b\" stroke-width=\"4\"\/><path d=\"M945 405 V330 H1115 V405\" fill=\"none\" stroke=\"#e8c37b\" stroke-width=\"10\"\/><path d=\"M960 350 H1100\" stroke=\"#55dff7\" stroke-width=\"8\"\/><path d=\"M960 380 H1100\" stroke=\"#62df9c\" stroke-width=\"8\"\/><text x=\"925\" y=\"435\" font-size=\"24\" font-weight=\"700\" fill=\"#e8c37b\">Duct \/ trench<\/text><text x=\"925\" y=\"467\" font-size=\"17\">drainage + mechanical load<\/text>\n <rect x=\"1300\" y=\"220\" width=\"280\" height=\"260\" rx=\"15\" fill=\"#0b202b\" stroke=\"#aa9bff\" stroke-width=\"4\"\/><path d=\"M1340 400 V300 H1535 V400\" fill=\"none\" stroke=\"#a6c2c7\" stroke-width=\"11\"\/><path d=\"M1380 400 V345 M1440 400 V345 M1500 400 V345\" stroke=\"#55dff7\" stroke-width=\"8\"\/><text x=\"1340\" y=\"435\" font-size=\"24\" font-weight=\"700\" fill=\"#aa9bff\">Industrial load<\/text><text x=\"1340\" y=\"467\" font-size=\"17\">motor \/ transformer \/ process<\/text>\n <path d=\"M350 350 H470 M760 350 H880 M1170 350 H1290\" stroke=\"#dcebf0\" stroke-width=\"5\" marker-end=\"url(#app-arrow-n2xse)\"\/>\n <path d=\"M210 480 V755 H1440 V480\" fill=\"none\" stroke=\"#2f4c59\" stroke-width=\"40\"\/><path d=\"M210 480 V755 H1440 V480\" fill=\"none\" stroke=\"#9ba9ae\" stroke-width=\"5\"\/>\n <text x=\"210\" y=\"835\" fill=\"#ffaaa5\" font-size=\"24\" font-weight=\"700\">N2XSEHRH route: fixed, armoured and supported<\/text><text x=\"210\" y=\"872\" fill=\"#dcebf0\" font-size=\"18\">The published application includes underground and duct routes; 12 (xD) is a laying factor, not a continuous-flex rating.<\/text>\n <rect x=\"80\" y=\"900\" width=\"1740\" height=\"68\" rx=\"10\" fill=\"#081b24\" stroke=\"#315b6f\" stroke-width=\"2\"\/><text x=\"110\" y=\"943\" font-size=\"18\" fill=\"#ffaaa5\">Port \/ plant boundary: evaluate as fixed shore-side MV infrastructure only after the route, fire, earthing and mechanical design are approved.<\/text>\n<\/g><\/svg><\/div>\n<div class=\"grid\"><div class=\"box\"><b>Energy-network feeder<\/b><br>The source identifies low dielectric losses and networks with sudden load changes. Final selection still needs conductor area, load profile and protection study.<\/div><div class=\"box\"><b>Underground and ducts<\/b><br>Review pulling route, water exposure, drainage, impact, backfill, duct fill, cable spacing, fire stopping and joint access.<\/div><div class=\"box\"><b>Industrial and port shore-side route<\/b><br>Evaluate fixed substation and plant feeders for mechanical stress, impact, LSZH fire behaviour, corrosion, flooding and maintenance access.<\/div><div class=\"box\"><b>Moving crane equipment<\/b><br>This record has no bending factor and is not established as a reeling, festoon, drag-chain or continuous-torsion cable.<\/div><\/div>\n\n<h2>13. Handling and termination<\/h2>\n<div class=\"svg\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 1900 1050\" role=\"img\" aria-label=\"N2XSEHRH installation diagram showing drum pay-off, unknown bend factor, steel wire armour, cleats and three-core termination\">\n<defs><marker id=\"inst-arrow-n2xse\" markerWidth=\"12\" markerHeight=\"12\" refX=\"10\" refY=\"4\" orient=\"auto\"><path d=\"M0 0 L12 4 L0 8 Z\" fill=\"#dcebf0\"\/><\/marker><linearGradient id=\"inst-floor-n2xse\" x1=\"0\" x2=\"0\" y1=\"0\" y2=\"1\"><stop stop-color=\"#294850\"\/><stop offset=\"1\" stop-color=\"#071820\"\/><\/linearGradient><\/defs>\n<rect width=\"1900\" height=\"1050\" fill=\"#06131b\"\/><rect y=\"675\" width=\"1900\" height=\"375\" fill=\"url(#inst-floor-n2xse)\"\/><path d=\"M0 675 H1900\" stroke=\"#6a888f\" stroke-width=\"4\"\/>\n<text x=\"60\" y=\"65\" fill=\"#55dff7\" font-family=\"Arial\" font-size=\"36\" font-weight=\"700\">CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH installation controls \u2014 12 (xD) laying factor<\/text><text x=\"60\" y=\"105\" fill=\"#adc4ce\" font-family=\"Arial\" font-size=\"18\">The supplied source displays \u201c12 (xD)\u201d. A controlled method statement must define the radius, pulling limits and accessory geometry.<\/text>\n<g font-family=\"Arial\" fill=\"#eaf6fa\">\n <rect x=\"70\" y=\"255\" width=\"240\" height=\"235\" rx=\"15\" fill=\"#0b202b\" stroke=\"#55dff7\" stroke-width=\"4\"\/><circle cx=\"190\" cy=\"350\" r=\"70\" fill=\"#364b54\" stroke=\"#c2d0d5\" stroke-width=\"12\"\/><circle cx=\"190\" cy=\"350\" r=\"30\" fill=\"#263941\" stroke=\"#e8c37b\" stroke-width=\"8\"\/><path d=\"M190 280 V420 M120 350 H260\" stroke=\"#a9c1c5\" stroke-width=\"7\"\/><text x=\"115\" y=\"463\" font-size=\"23\" font-weight=\"700\">Drum pay-off<\/text><text x=\"105\" y=\"493\" font-size=\"16\">three-core cable \u00b7 ends sealed<\/text>\n <path d=\"M310 350 C430 350 450 550 590 550\" fill=\"none\" stroke=\"#10171b\" stroke-width=\"65\"\/><path d=\"M310 350 C430 350 450 550 590 550\" fill=\"none\" stroke=\"#63737a\" stroke-width=\"48\"\/><path d=\"M310 350 C430 350 450 550 590 550\" fill=\"none\" stroke=\"#dce5e8\" stroke-width=\"4\"\/>\n <path d=\"M345 190 H640\" stroke=\"#dcebf0\" stroke-width=\"4\" marker-end=\"url(#inst-arrow-n2xse)\"\/><text x=\"78\" y=\"165\" font-size=\"22\" font-weight=\"700\" fill=\"#e8c37b\">Controlled pulling direction<\/text><text x=\"78\" y=\"199\" font-size=\"17\">Do not assume a pulling load or radius from another cable family.<\/text>\n <rect x=\"590\" y=\"500\" width=\"380\" height=\"95\" rx=\"12\" fill=\"#263941\" stroke=\"#9eb7bd\" stroke-width=\"5\"\/><path d=\"M670 547 H890\" stroke=\"#d0d8dc\" stroke-width=\"14\"\/><text x=\"630\" y=\"685\" font-size=\"23\" font-weight=\"700\">Cleat \/ support<\/text><text x=\"630\" y=\"717\" font-size=\"17\">protect the galvanized steel wires and LSZH sheath<\/text>\n <path d=\"M970 550 H1100\" stroke=\"#63737a\" stroke-width=\"48\"\/><path d=\"M970 550 H1100\" stroke=\"#dcebf0\" stroke-width=\"3\" marker-end=\"url(#inst-arrow-n2xse)\"\/><rect x=\"1100\" y=\"390\" width=\"330\" height=\"305\" rx=\"15\" fill=\"#0b202b\" stroke=\"#62df9c\" stroke-width=\"4\"\/><rect x=\"1170\" y=\"475\" width=\"190\" height=\"115\" fill=\"#263941\" stroke=\"#a6c2c7\" stroke-width=\"6\"\/><circle cx=\"1210\" cy=\"520\" r=\"14\" fill=\"#be6c31\"\/><circle cx=\"1270\" cy=\"520\" r=\"14\" fill=\"#be6c31\"\/><circle cx=\"1330\" cy=\"520\" r=\"14\" fill=\"#be6c31\"\/><path d=\"M1190 555 H1340\" stroke=\"#55dff7\" stroke-width=\"7\"\/><text x=\"1145\" y=\"650\" font-size=\"23\" font-weight=\"700\">Three-core termination<\/text><text x=\"1145\" y=\"682\" font-size=\"17\">phase \/ screen \/ armour record<\/text>\n <rect x=\"330\" y=\"805\" width=\"640\" height=\"105\" rx=\"12\" fill=\"#241419\" stroke=\"#ff777f\" stroke-width=\"4\"\/><text x=\"370\" y=\"850\" font-size=\"23\" font-weight=\"700\" fill=\"#ffaaa5\">Bending factor: 12 (xD)<\/text><text x=\"370\" y=\"883\" font-size=\"18\">The 12 (xD) laying factor gives screening radii of 684.0 to 1104.0 mm across the 70\u2013400 mm\u00b2 matrix; confirm the controlled installation method.<\/text>\n <path d=\"M1430 550 H1780\" stroke=\"#62df9c\" stroke-width=\"4\"\/><text x=\"1470\" y=\"465\" font-size=\"23\" font-weight=\"700\" fill=\"#62df9c\">Acceptance checks<\/text><text x=\"1470\" y=\"505\" font-size=\"17\">document revision<\/text><text x=\"1470\" y=\"535\" font-size=\"17\">outer sheath \/ armour inspection<\/text><text x=\"1470\" y=\"565\" font-size=\"17\">screen continuity<\/text><text x=\"1470\" y=\"595\" font-size=\"17\">phase identification<\/text><text x=\"1470\" y=\"625\" font-size=\"17\">short-circuit design<\/text><text x=\"1470\" y=\"655\" font-size=\"17\">termination compatibility<\/text>\n <rect x=\"80\" y=\"955\" width=\"1740\" height=\"58\" rx=\"10\" fill=\"#081b24\" stroke=\"#315b6f\" stroke-width=\"2\"\/><text x=\"110\" y=\"991\" font-size=\"18\" fill=\"#ffaaa5\">The 90 \u00b0C service limit is published; recalculate continuous loading for the actual formation, ambient, grouping, screen losses and accessories.<\/text>\n<\/g><\/svg><\/div>\n<ol><li>Confirm the exact product code, current source revision, cable length, conductor area, outside diameter, mass and end seals before unloading.<\/li><li>Do not use a calculated bend radius: the source states <code>12 (xD)<\/code>. Obtain the controlled installation factor and accessory method statement before laying.<\/li><li>Align the drum and pay off in the marked direction. Prevent reverse winding, flange impact, uncontrolled twist and local LSZH sheath damage.<\/li><li>Use controlled rollers and pulling equipment. Verify pulling load, sidewall pressure, support spacing, trench entry, duct entry and armour loading.<\/li><li>Prepare the three-core termination with the correct phase identification, screen continuity, LSZH separation, steel wire armour treatment and gland \/ accessory dimensions.<\/li><li>Bond the metallic screen and armour according to the approved earthing design. Record continuity, torque, phase identity and test results.<\/li><li>Before energisation, complete conductor resistance, screen continuity, insulation \/ sheath tests, MV withstand or partial-discharge tests where specified, phase identification, accessory inspection and as-built records.<\/li><\/ol>\n<div class=\"warn\"><b>Installation release:<\/b> no minimum radius, conductor service temperature or conductor size should appear in a Feichun installation method statement until the current controlled data sheet closes the dash fields.<\/div>\n\n<h2>14. Selection comparison for engineers<\/h2>\n<div class=\"scroll\"><table><thead><tr><th>Requirement<\/th><th>N2XSEHRH reference<\/th><th>What must be verified<\/th><th>Engineering decision<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">Three-phase fixed MV feeder<\/td><td>Three-core copper \/ XLPE construction; 6.35\/11 kV Uo\/U.<\/td><td>Conductor area, current rating, voltage drop, fault duty, termination and phase identification.<\/td><td class=\"source\">Potentially suitable after data release.<\/td><\/tr><tr><td class=\"key\">Mechanically exposed fixed route<\/td><td>Good impact resistance; single-layer galvanized steel wire armour.<\/td><td>Impact level, compression, armour overlap, pulling load, support and trench \/ duct entry.<\/td><td class=\"source\">Candidate subject to mechanical design.<\/td><\/tr><tr><td class=\"key\">Underground \/ duct route<\/td><td>Application listed by the source.<\/td><td>Water exposure, drainage, soil thermal resistance, duct fill, fire stopping and joint access.<\/td><td class=\"source\">Confirm route construction.<\/td><\/tr><tr><td class=\"key\">Fire-sensitive building or tunnel<\/td><td>IEC 60332-3 Cat. C listed; LSZH sheath system.<\/td><td>Current fire declaration, smoke \/ corrosive gas evidence, grouping and local requirements.<\/td><td class=\"source\">Use the Cca declaration and exact project fire requirements.<\/td><\/tr><tr><td class=\"key\">Continuous current sizing<\/td><td>Conductor cross-section, 90 \u00b0C service limit and 12 (xD) laying factor are published.<\/td><td>Use the supplied matrix, then recalculate for the actual formation and route.<\/td><td class=\"warn\">Calculate for the actual route.<\/td><\/tr><tr><td class=\"key\">Reeling \/ festoon \/ drag chain<\/td><td>12 (xD) laying factor; fixed-route application wording.<\/td><td>Cycles, torsion, speed, acceleration, rollers and dynamic bend radius.<\/td><td class=\"warn\">Select a dedicated dynamic cable family.<\/td><\/tr><\/tbody><\/table><\/div>\n<div class=\"svg\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 1900 920\" role=\"img\" aria-label=\"N2XSEHRH engineering selection flow for three-core IEC 60502-2 cable with LSZH sheath and steel wire armour\">\n<defs><marker id=\"sel-arrow-n2xse\" markerWidth=\"12\" markerHeight=\"12\" refX=\"10\" refY=\"4\" orient=\"auto\"><path d=\"M0 0 L12 4 L0 8 Z\" fill=\"#dcebf0\"\/><\/marker><\/defs>\n<rect width=\"1900\" height=\"920\" fill=\"#06131b\"\/><text x=\"60\" y=\"65\" fill=\"#55dff7\" font-family=\"Arial\" font-size=\"36\" font-weight=\"700\">CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH release gate \u2014 verify every project input<\/text>\n<g font-family=\"Arial\" fill=\"#eaf6fa\">\n <rect x=\"60\" y=\"220\" width=\"270\" height=\"190\" rx=\"14\" fill=\"#0b202b\" stroke=\"#55dff7\" stroke-width=\"4\"\/><text x=\"112\" y=\"280\" font-size=\"24\" font-weight=\"700\">1. System basis<\/text><text x=\"112\" y=\"320\" font-size=\"18\">6.35\/11 kV<\/text><text x=\"112\" y=\"353\" font-size=\"18\">three-core feeder<\/text><text x=\"112\" y=\"386\" font-size=\"18\">load \/ fault \/ route<\/text><path d=\"M330 315 H445\" stroke=\"#dcebf0\" stroke-width=\"4\" marker-end=\"url(#sel-arrow-n2xse)\"\/>\n <rect x=\"445\" y=\"170\" width=\"310\" height=\"290\" rx=\"14\" fill=\"#0b202b\" stroke=\"#e8c37b\" stroke-width=\"4\"\/><text x=\"505\" y=\"235\" font-size=\"24\" font-weight=\"700\" fill=\"#e8c37b\">2. Cable build<\/text><text x=\"505\" y=\"280\" font-size=\"18\">Cu \/ XLPE \/ Cu screen<\/text><text x=\"505\" y=\"315\" font-size=\"18\">LSZH filler \/ sheath<\/text><text x=\"505\" y=\"350\" font-size=\"18\">single galvanized steel wires<\/text><text x=\"505\" y=\"385\" font-size=\"18\">LSZH outer sheath<\/text><text x=\"505\" y=\"430\" font-size=\"16\" fill=\"#ffaaa5\">70 \/ 95 \/ 120 \/ 150 \/ 185 \/ 240 \/ 300 \/ 400 mm\u00b2 rows published<\/text><path d=\"M755 315 H870\" stroke=\"#dcebf0\" stroke-width=\"4\" marker-end=\"url(#sel-arrow-n2xse)\"\/>\n <rect x=\"870\" y=\"170\" width=\"310\" height=\"290\" rx=\"14\" fill=\"#0b202b\" stroke=\"#ff777f\" stroke-width=\"4\"\/><text x=\"930\" y=\"235\" font-size=\"24\" font-weight=\"700\" fill=\"#ffaaa5\">3. Calculation gate<\/text><text x=\"930\" y=\"280\" font-size=\"18\">bend factor: 12 (xD)<\/text><text x=\"930\" y=\"315\" font-size=\"18\">service temp.: 90 \u00b0C<\/text><text x=\"930\" y=\"350\" font-size=\"18\">cross-section: 70 \/ 95 \/ 120 \/ 150 \/ 185 \/ 240 \/ 300 \/ 400 mm\u00b2<\/text><text x=\"930\" y=\"385\" font-size=\"18\">ratings: matrix values supplied<\/text><text x=\"930\" y=\"430\" font-size=\"16\" fill=\"#ffaaa5\">verify project inputs<\/text><path d=\"M1180 315 H1295\" stroke=\"#dcebf0\" stroke-width=\"4\" marker-end=\"url(#sel-arrow-n2xse)\"\/>\n <rect x=\"1295\" y=\"170\" width=\"310\" height=\"290\" rx=\"14\" fill=\"#0b202b\" stroke=\"#62df9c\" stroke-width=\"4\"\/><text x=\"1350\" y=\"235\" font-size=\"24\" font-weight=\"700\" fill=\"#62df9c\">4. Route review<\/text><text x=\"1350\" y=\"280\" font-size=\"18\">underground \/ duct<\/text><text x=\"1350\" y=\"315\" font-size=\"18\">mechanical stress<\/text><text x=\"1350\" y=\"350\" font-size=\"18\">LSZH fire behaviour<\/text><text x=\"1350\" y=\"385\" font-size=\"18\">earthing \/ screen<\/text><text x=\"1350\" y=\"420\" font-size=\"18\">accessories<\/text><path d=\"M1605 315 H1720\" stroke=\"#dcebf0\" stroke-width=\"4\" marker-end=\"url(#sel-arrow-n2xse)\"\/>\n <rect x=\"1720\" y=\"170\" width=\"120\" height=\"290\" rx=\"14\" fill=\"#0b202b\" stroke=\"#aa9bff\" stroke-width=\"4\"\/><text x=\"1740\" y=\"235\" font-size=\"21\" font-weight=\"700\" fill=\"#aa9bff\">5. Release<\/text><text x=\"1740\" y=\"280\" font-size=\"16\">data<\/text><text x=\"1740\" y=\"315\" font-size=\"16\">tests<\/text><text x=\"1740\" y=\"350\" font-size=\"16\">kits<\/text><text x=\"1740\" y=\"385\" font-size=\"16\">records<\/text>\n <path d=\"M1025 460 V610\" stroke=\"#dcebf0\" stroke-width=\"4\" marker-end=\"url(#sel-arrow-n2xse)\"\/><rect x=\"675\" y=\"610\" width=\"690\" height=\"180\" rx=\"14\" fill=\"#081b24\" stroke=\"#55dff7\" stroke-width=\"4\"\/><text x=\"755\" y=\"670\" font-size=\"25\" font-weight=\"700\" fill=\"#55dff7\">6. Verify before energisation<\/text><text x=\"755\" y=\"712\" font-size=\"18\">IEC 60502-2 basis \u00b7 phase ID \u00b7 screen continuity<\/text><text x=\"755\" y=\"745\" font-size=\"18\">short-circuit I\u00b2t \u00b7 insulation \/ sheath tests \u00b7 fire record<\/text>\n <path d=\"M675 700 H410\" stroke=\"#ff777f\" stroke-width=\"4\" marker-end=\"url(#sel-arrow-n2xse)\"\/><rect x=\"70\" y=\"610\" width=\"340\" height=\"180\" rx=\"14\" fill=\"#081b24\" stroke=\"#ff777f\" stroke-width=\"4\"\/><text x=\"115\" y=\"670\" font-size=\"24\" font-weight=\"700\" fill=\"#ffaaa5\">If movement is required<\/text><text x=\"115\" y=\"710\" font-size=\"18\">reel \/ festoon \/ drag chain<\/text><text x=\"115\" y=\"745\" font-size=\"18\">select dynamic cable family<\/text>\n <text x=\"1400\" y=\"625\" font-size=\"18\" fill=\"#ffaaa5\">Do not fill a dash<\/text><text x=\"1400\" y=\"658\" font-size=\"18\" fill=\"#ffaaa5\">from another cable.<\/text>\n<\/g><\/svg><\/div>\n\n<h2>15. Failure mode and effects analysis<\/h2>\n<div class=\"grid\"><div class=\"warn\"><b>Wrong conductor size:<\/b> the cable is ordered without resolving the \u201c70 \/ 95 \/ 120 \/ 150 \/ 185 \/ 240 \/ 300 \/ 400 mm\u00b2\u201d field, making ampacity, voltage drop and accessory selection impossible.<\/div><div class=\"warn\"><b>Radius assumption:<\/b> a 15\u00d7D or 12\u00d7D value from another cable is copied even though this record states \u201c12 (xD)\u201d.<\/div><div class=\"warn\"><b>Continuous temperature substitution:<\/b> 90 \u00b0C is used without checking formation, ambient, grouping and accessory limits.<\/div><div class=\"warn\"><b>Screen fault path:<\/b> copper screen and steel wire armour are assumed to carry a known earth-fault current without a section or bonding study.<\/div><div class=\"warn\"><b>Fire-class substitution:<\/b> IEC 60332-3 Cat. C is treated as a substitute for the product Cca declaration or the route fire strategy.<\/div><div class=\"warn\"><b>Armour damage:<\/b> incorrect rollers, pulling or trench entries deform the single galvanized steel wires or LSZH sheath.<\/div><div class=\"warn\"><b>Revision confusion:<\/b> the family-level 8\/4\/26 record and the older 3×95 mm\u00b2 product PDF generated 9\/14\/25 are merged without verifying which controlled document governs.<\/div><div class=\"warn\"><b>Dynamic misuse:<\/b> the fixed-installation cable is placed in reeling, festoon or energy-chain service without a dynamic qualification.<\/div><\/div>\n\n<h2>16. Feichun Cable certification and project assurance<\/h2>\n<div class=\"note\"><b>Engineered for maximum safety in demanding environments<\/b>, Feichun Cable cable systems comply with global standards including <b>ATEX, IECEx, VDE, CE, UKCA, EAC, and the Russian Fire Safety Certificate<\/b>. They are the trusted choice for heavy-duty mining equipment, ship-to-shore cranes, RTG\/RMG cranes, and conveyor systems where high reliability is non-negotiable.<\/div>\n<div class=\"grid\"><div class=\"box\"><b>For a Feichun N2XSEHRH release<\/b><br>Confirm conductor area, conductor flexibility, outer diameter, mass, DCR, current rating, voltage-drop data, screen section, screen \/ armour fault duty, bending factor, service conductor temperature, fire classification and accessory compatibility.<\/div><div class=\"box\"><b>Certification is configuration-specific<\/b><br>Certification capability does not make every N2XSEHRH size automatically IEC 60502-2, IECEx, ATEX, EAC or fire-certified. The exact three-core construction and documentation must match.<\/div><div class=\"box\"><b>Three-core armour dossier<\/b><br>The controlled release should identify screen geometry, LSZH filler, separation sheath, single galvanized steel wire dimensions and overlap, armour treatment, glands, termination preparation and earthing method.<\/div><div class=\"box\"><b>Feichun engineering value<\/b><br>Feichun can develop the three-core XLPE \/ copper-screen \/ LSZH \/ galvanized-steel-wire architecture around the actual conductor size, route mechanics, protection system and market documentation instead of copying an incomplete reference label.<\/div><\/div>\n<div class=\"warn\"><b>Release condition:<\/b> this article does not invent a Feichun certificate number, conductor cross-section, current rating, radius, service temperature, screen fault current, fire class or product-specific test report.<\/div>\n\n<h2>17. Source and revision audit<\/h2>\n<div class=\"scroll\"><table><thead><tr><th>Source<\/th><th>Use in this article<\/th><th>Status and limitation<\/th><\/tr><\/thead><tbody><tr><td><a href=\"https:\/\/www.nexans.com.tr\/en\/products\/xlpe-insulated-medium-voltage\/copper-conductor\/CU-XLPE-CT32453.html\" target=\"_blank\" rel=\"nofollow noopener\">Nexans T\u00fcrkiye CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH 6.35\/11 kV family page<\/a><\/td><td>Product title, IEC 60502-2 listing, application, construction, three-core field, voltage, impact, operating range, dash fields and IEC 60332-3 Cat. C.<\/td><td>Manufacturer family reference; confirm current revision and exact ordered product.<\/td><\/tr><tr><td><a href=\"https:\/\/www.nexans.com.tr\/.rest\/catalog\/v1\/family\/pdf\/32453\/CU-XLPE-CTS-LSZH-SWA-LSZH-6-35-11-kV-Cca-Class\" target=\"_blank\" rel=\"nofollow noopener\">Nexans N2XSEHRH two-page family PDF<\/a><\/td><td>Page-1 construction and page-2 characteristics, including 250 \u00b0C short-circuit conductor temperature and dash fields.<\/td><td>The family PDF and supplied copy are both generated 8\/4\/26; the older 3×95 mm\u00b2 product PDF is generated 9\/14\/25 and reports -20 … 90 \u00b0C. Keep the records separate.<\/td><\/tr><tr><td><a href=\"https:\/\/knowledge.bsigroup.com\/products\/electric-cables-armoured-cables-with-thermosetting-insulation-for-rated-voltages-from-3-8-6-6-kv-to-19-33-kv-having-low-emission-of-smoke-and-corrosive-gases-when-affected-by-fire-requirements-and-test-methods\" target=\"_blank\" rel=\"nofollow noopener\">BS 7835<\/a><\/td><td>Product standard listed by the supplied family record; the BSI record identifies BS 7835:2007.<\/td><td>Confirm the project-adopted edition and the exact Feichun conformity file.<\/td><\/tr><tr><td><a href=\"https:\/\/www.nexans.com.tr\/en\/products\/xlpe-insulated-medium-voltage\/copper-conductor\/CU-XLPE-CT32453\/product~10551044~.html\" target=\"_blank\" rel=\"nofollow noopener\">Nexans 3×95 mm\u00b2 product page<\/a>; <a href=\"https:\/\/www.nexans.com.tr\/.rest\/catalog\/v1\/product\/pdf\/10551044\" target=\"_blank\" rel=\"nofollow noopener\">product PDF<\/a>; <a href=\"https:\/\/www.nexans.com.tr\/.rest\/catalog\/v1\/product\/cpr\/10551044\" target=\"_blank\" rel=\"nofollow noopener\">product DoP<\/a><\/td><td>Older size-specific 3×95 mm\u00b2 record: Cca-s1,d2,a1, DoP 1000754-TRDE, certification date 10\/18\/18, AVCP System 1+ and notified body 1008.<\/td><td>Size- and revision-specific evidence; do not generalise its detailed declaration to every matrix row.<\/td><\/tr><tr><td><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/32826\" target=\"_blank\" rel=\"nofollow noopener\">IEC 60332-3-24:2018<\/a>; <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/3403\" target=\"_blank\" rel=\"nofollow noopener\">IEC 60754-2<\/a>; <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/66136\" target=\"_blank\" rel=\"nofollow noopener\">IEC 61034<\/a><\/td><td>Official standard records used as related test context for Category C flame spread, corrosive gases and smoke density.<\/td><td>Test references only; product-specific compound, report and project fire requirements control.<\/td><\/tr><tr><td><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/95394\" target=\"_blank\" rel=\"nofollow noopener\">IEC 60502-2 official consolidated publication record<\/a><\/td><td>Standard scope for extruded-insulation cables from 6 kV up to 30 kV in fixed installations.<\/td><td>Confirm adopted edition and the exact Feichun conformity route.<\/td><\/tr><tr><td><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/32826\" target=\"_blank\" rel=\"nofollow noopener\">IEC 60332-3-24:2018 official publication record<\/a><\/td><td>Bunched-cable vertical flame-spread test context for Category C.<\/td><td>The source gives the standard number without an edition; product documentation controls the applicable edition.<\/td><\/tr><tr><td>User-supplied source record<\/td><td>All supplied N2XSEHRH values, construction sequence, source metadata and page labels reproduced in this article.<\/td><td>Preserved; missing or dashed fields are not filled from another cable.<\/td><\/tr><\/tbody><\/table><\/div>\n<div class=\"warn\">This article is for preliminary engineering, technical search and comparison. The final Feichun CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH 6.35\/11 kV Cca release must be checked against the current product data sheet, IEC 60502-2 basis, conductor size, current ratings, bending instructions, screen \/ armour design, fire documentation, accessories, installation method and local authority requirements.<\/div>\n<\/main>\n<footer><div class=\"wrap\"><h3>Feichun Cable \u2014 CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH 6.35\/11 kV engineering support<\/h3><div class=\"contact\"><div><b>Phone<\/b><br><a href=\"tel:+8613855123218\">+86 13855123218<\/a><\/div><div><b>Technical email<\/b><br><a href=\"mailto:Tech@feichuncables.com\">Tech@feichuncables.com<\/a><\/div><\/div><p class=\"small\">This article separates supplied values, official source additions, blank fields and Feichun project-confirmation values. Missing fields are not filled from another supplier or cable size.<\/p><div>FEICHUN-N2XSEHRH-6-10KV-ENGINEERING-EN \u00b7 03 August 2026<\/div><\/div><\/footer>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"A full-English engineering guide to the CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH three-core medium-voltage cable construction: copper conductors, semiconducting screens, XLPE insulation, copper tape, LSZH filler, LSZH separation sheath, single-layer galvanized steel wire armour and LSZH outer sheath. The article separates the published matrix from project-level inputs that still require confirmation.","protected":false},"author":1,"featured_media":25242,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"left","csco_page_header_type":"title","csco_page_load_nextpost":"","footnotes":""},"categories":[66,464,1],"tags":[16,111,17],"class_list":["post-25240","post","type-post","status-publish","format-standard","has-post-thumbnail","category-common-problems-encountered-in-cable-applications","category-flexible-cables-with-high-bending-life-and-fatigue-resistance","category-uncategorized","tag-din-vde-0250","tag-mining-cable","tag-reeling-cable","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/25240","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/comments?post=25240"}],"version-history":[{"count":2,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/25240\/revisions"}],"predecessor-version":[{"id":25245,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/25240\/revisions\/25245"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/25242"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=25240"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/categories?post=25240"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/tags?post=25240"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":25240,"date":"2026-08-04T12:00:56","date_gmt":"2026-08-04T04:00:56","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=25240"},"modified":"2026-08-04T12:01:00","modified_gmt":"2026-08-04T04:01:00","slug":"cu-xlpe-cts-lszh-swa-lszh-6-35-11-kv-three-core-xlpe-copper-cable-with-galvanized-steel-wire-armour","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/cu-xlpe-cts-lszh-swa-lszh-6-35-11-kv-three-core-xlpe-copper-cable-with-galvanized-steel-wire-armour\/","title":{"rendered":"CU\/XLPE\/CTS\/LSZH\/SWA\/LSZH 6.35\/11 kV \u2014 Three-Core XLPE Copper Cable with Galvanized Steel Wire Armour"},"content":{"rendered":"\n