{"id":25230,"date":"2026-08-04T11:38:18","date_gmt":"2026-08-04T03:38:18","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=25230"},"modified":"2026-08-04T11:38:22","modified_gmt":"2026-08-04T03:38:22","slug":"feichun-n2xsehrh-6-10-kv-three-core-xlpe-copper-cable-with-galvanized-steel-wire-armour","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/feichun-n2xsehrh-6-10-kv-three-core-xlpe-copper-cable-with-galvanized-steel-wire-armour\/","title":{"rendered":"Feichun N2XSEHRH 6\/10 kV \u2014 Three-Core XLPE Copper Cable with Galvanized Steel Wire Armour"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n\n\n\n\n\nN2XSEHRH 6\/10 kV Cable | Feichun Three-Core XLPE Galvanized Steel Wire Armoured Engineering Guide<\/title>\n<meta name=\"description\" content=\"Professional English engineering guide to N2XSEHRH 6\/10 kV three-core XLPE copper-conductor cable with copper screen, LSZH filler, LSZH separation sheath, single galvanized steel wire armour and LSZH outer sheath, including data-boundary controls and fixed-installation guidance.\">\n<meta name=\"keywords\" content=\"N2XSEHRH 6\/10 kV, N2XSEHRH 6\/10 (12) 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\":\"N2XSEHRH 6\/10 kV Three-Core XLPE Galvanized Steel Wire Armoured Cable Guide\",\"description\":\"Engineering guide to the N2XSEHRH three-core copper-conductor XLPE cable construction, IEC 60502-2 basis, LSZH sheath system, single 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>N2XSEHRH 6\/10 kV<\/span><span>6\/10 (12) kV Uo\/U<\/span><span>3 CORE<\/span><span>Cu \/ XLPE \/ LSZH<\/span><span>SINGLE GALV. STEEL WIRE ARMOUR<\/span><span>IEC 60502-2<\/span><\/div><h1>Feichun N2XSEHRH 6\/10 kV \u2014 Three-Core XLPE Copper Cable with Galvanized Steel Wire Armour<\/h1><p class=\"lead\">A full-English engineering guide to the N2XSEHRH three-core medium-voltage cable construction: copper conductors, semiconducting screens, XLPE insulation, copper wires or tapes, LSZH filler, LSZH separation sheath, single 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 \/ 10 (12) 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\/10 (12) 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 GALV. STEEL WIRE<\/div><div>Single galvanized steel wire armour under LSZH outer sheath.<\/div><\/div><div class=\"card\"><div>Published matrix<\/div><div class=\"value\">complete matrix<\/div><div>95 and 120 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 wires or tapes as the metallic screen, LSZH filler, LSZH separation sheath, single 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 wires or tapes are listed as the metallic screen.<\/div><div class=\"box\"><b>Mechanical platform<\/b><br>Single 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 95 \/ 120 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 95 \/ 120 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\/10 (12) kV voltage.<\/td><td class=\"source\">Source construction<\/td><\/tr><tr><td class=\"key\">S<\/td><td>Metallic screen construction; source lists copper wires or tapes.<\/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\/10 kV<\/td><td>Product family title.<\/td><td>The characteristic table states Uo\/U as 6\/10 (12) 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>Eca is stated in the supplied family title.<\/td><td>Use Eca 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\">N2XSEHRH – 6\/10 kV – Eca Class<\/td><td>Three-core XLPE-insulated, copper-conductor cable with copper wires and tape screen, LSZH filler, LSZH separation sheath, single-layer galvanized steel wire armour and LSZH outer sheath.<\/td><td class=\"source\">Supplied \/ Nexans family reference<\/td><\/tr><tr><td class=\"key\">Product description<\/td><td class=\"source\">6\/10 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<\/td><\/tr><tr><td class=\"key\">Product standard<\/td><td class=\"source\">IEC 60502-2<\/td><td>The source lists IEC 60502-2. 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 95 and 120 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>Compacted circular conductors affect the released diameter, screen preparation and accessory dimensions.<\/td><td class=\"source\">Official product page \/ product 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 page<\/td><\/tr><tr><td class=\"key\">Rated Voltage Uo\/U (Um)<\/td><td class=\"source\">6 \/ 10 (12) kV<\/td><td>The source gives Uo\/U and Um notation for the 6\/10 kV class.<\/td><td class=\"source\">Supplied source<\/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 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 page<\/td><\/tr><tr><td class=\"key\">Older product PDF operating range<\/td><td class=\"source\">-20 … 60 \u00b0C<\/td><td>The older 3×95 mm\u00b2 product PDF record contains a different operating-range value. It is retained as a separate revision record and must not replace the supplied\/current family value without document control.<\/td><td class=\"source\">Older product PDF \u2014 Generated 6\/16\/25<\/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 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 PDF<\/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 page<\/td><\/tr><tr><td class=\"key\">U.V resistance<\/td><td class=\"source\">Yes<\/td><td>Supports outdoor and exposed route review, but UV resistance does not eliminate chemical, impact, water or fire assessment.<\/td><td class=\"source\">Supplied source \/ official 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; it is not itself a CPR Eca declaration.<\/td><td class=\"source\">Supplied source<\/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<\/td><\/tr><tr><td class=\"key\">Halogen free<\/td><td class=\"source\">IEC 60754-1<\/td><td>Halogen-acid-gas test reference listed by the official characteristics; confirm the exact compound and report.<\/td><td class=\"source\">Official family PDF \/ product page<\/td><\/tr><tr><td class=\"key\">Smoke density<\/td><td class=\"source\">IEC 61034-2<\/td><td>Smoke-density test reference; cable grouping, ventilation and enclosure geometry remain project-level fire inputs.<\/td><td class=\"source\">Official family PDF \/ product page<\/td><\/tr><tr><td class=\"key\">Fire performance class<\/td><td class=\"source\">Eca<\/td><td>Eca is the family fire-class designation. Do not expand it to s1, d0 or a1 without the current product-specific declaration.<\/td><td class=\"source\">Supplied source \/ official 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 wires + tape<\/td><td>Copper 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 page<\/td><\/tr><tr><td class=\"key\">Outer sheath<\/td><td class=\"source\">LSZH<\/td><td>Low-smoke, halogen-free external protection; exact compound, colour, thickness and CPR declaration must match the released product.<\/td><td class=\"source\">Supplied source \/ official 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\">N2XSEHRH – 6\/10 kV – Eca Class \u2014 Page 2 \/ 2<\/td><td>The supplied characteristics and 95\/120 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 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\">N2XSEHRH 3×95 mm\u00b2 \u2014 Generated 6\/16\/25<\/td><td>The older size-specific PDF reports -20 … 60 \u00b0C while retaining 12 (xD), 90 \u00b0C service and the same construction family. Do not merge revisions.<\/td><td class=\"source\">Older official product PDF metadata<\/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\">95 \/ 120 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\">307 \/ 352 A in air; 232 \/ 264 A buried<\/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\">Eca<\/td><td>The product-specific DoP declares Eca; 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 N2XSEHRH 6\/10 kV Eca<\/h2>\n<p>The following matrix preserves the two 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>Max. DC resistance<br>at 20 \u00b0C<br>[Ohm\/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>Short-circuit conductor<br>1 s [kA]<\/th><th>Nexans Ref.<\/th><\/tr><\/thead><tbody><tr><td class=\"source\">95<\/td><td class=\"source\">62.0<\/td><td class=\"source\">7550<\/td><td class=\"source\">0.193<\/td><td class=\"source\">307<\/td><td class=\"source\">232<\/td><td class=\"source\">13.6<\/td><td class=\"source\">10573169<\/td><\/tr><tr><td class=\"source\">120<\/td><td class=\"source\">65.0<\/td><td class=\"source\">8650<\/td><td class=\"source\">0.153<\/td><td class=\"source\">352<\/td><td class=\"source\">264<\/td><td class=\"source\">17.2<\/td><td class=\"source\">10573168<\/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>95 mm\u00b2<\/td><td>12 \u00d7 62.0 mm<\/td><td class=\"derived\">744.0 mm<\/td><td>7550 kg\/km<\/td><td class=\"derived\">755.0 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>8650 kg\/km<\/td><td class=\"derived\">865.0 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 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\">N2XSEHRH 6\/10 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 wires or tapes \u00b7 LSZH filler \u00b7 LSZH separation sheath \u00b7 single 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 95 and 120 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 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 wires or tapes<\/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 \u201c95 \/ 120 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 wires or tapes 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 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=\"N2XSEHRH 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\">N2XSEHRH 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 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: 95 \/ 120 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 95 \/ 120 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 wires or tapes 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 95 \/ 120 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\/10 (12) 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 Eca 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 60754-1, IEC 60754-2 and IEC 61034-2 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 Eca 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\">N2XSEHRH 6\/10 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 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\/10 (12) 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\">N2XSEHRH 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 744 mm for 62.0 mm and 780 mm for 65.0 mm; 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\/10 (12) 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 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 Eca 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\">N2XSEHRH 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\/10 (12) 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\">95 \/ 120 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: 95 \/ 120 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 \u201c95 \/ 120 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 Eca 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 6\/16\/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\/N2XSEHRH--36715.html\" target=\"_blank\" rel=\"nofollow noopener\">Nexans T\u00fcrkiye N2XSEHRH 6\/10 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\/36715\/N2XSEHRH-6-10-kV-Eca-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 6\/16\/25 and reports -20 … 60 \u00b0C. Keep the records separate.<\/td><\/tr><tr><td><a href=\"https:\/\/www.nexans.com.tr\/.rest\/catalog\/v1\/family\/cpr\/36715\" target=\"_blank\" rel=\"nofollow noopener\">Nexans T\u00fcrkiye Declaration of Performance<\/a><\/td><td>Official family DoP: Eca according to EN 50575:2014+A1:2016 for the 95 and 120 mm\u00b2 product references.<\/td><td>Use for the exact ordered product and current declaration; it does not create a Feichun certificate.<\/td><\/tr><tr><td><a href=\"https:\/\/www.nexans.com.tr\/.rest\/catalog\/v1\/product\/pdf\/10573169\" target=\"_blank\" rel=\"nofollow noopener\">Nexans 3×95 mm\u00b2 product PDF<\/a>; <a href=\"https:\/\/www.nexans.com.tr\/.rest\/catalog\/v1\/product\/cpr\/10573169\" target=\"_blank\" rel=\"nofollow noopener\">product DoP<\/a><\/td><td>Older size-specific revision and Eca declaration record used to identify the separate -20 … 60 \u00b0C revision.<\/td><td>Do not merge its operating-range value with the current family record.<\/td><\/tr><tr><td><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/66144\" target=\"_blank\" rel=\"nofollow noopener\">IEC 60754-1<\/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 61034-2<\/a><\/td><td>Official standard records for halogen-acid-gas content, gas acidity \/ conductivity and smoke-density test context.<\/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 N2XSEHRH 6\/10 kV Eca 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 N2XSEHRH 6\/10 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 N2XSEHRH three-core medium-voltage cable construction: copper conductors, semiconducting screens, XLPE insulation, copper wires or tapes, LSZH filler, LSZH separation sheath, single 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":25231,"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":[66,66953,1,56],"tags":[16,111,17],"class_list":["post-25230","post","type-post","status-publish","format-standard","has-post-thumbnail","category-common-problems-encountered-in-cable-applications","category-gost-","category-uncategorized","category-reeling-cable","tag-din-vde-0250","tag-mining-cable","tag-reeling-cable","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/25230","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=25230"}],"version-history":[{"count":2,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/25230\/revisions"}],"predecessor-version":[{"id":25234,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/25230\/revisions\/25234"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/25231"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=25230"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/categories?post=25230"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/tags?post=25230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}