{"id":25210,"date":"2026-08-04T10:27:23","date_gmt":"2026-08-04T02:27:23","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=25210"},"modified":"2026-08-04T10:27:27","modified_gmt":"2026-08-04T02:27:27","slug":"cu-xlpe-cts-lszh-awa-lszh-6-35-11-kv-dca-medium-voltage-cable","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/cu-xlpe-cts-lszh-awa-lszh-6-35-11-kv-dca-medium-voltage-cable\/","title":{"rendered":"CU\/XLPE\/CTS\/LSZH\/AWA\/LSZH 6.35\/11 kV \u2014 Dca Medium-Voltage Cable"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n\n\n\n\n\nCU\/XLPE\/CTS\/LSZH\/AWA\/LSZH 6.35\/11 kV Dca Cable | Feichun Engineering Guide<\/title>\n<meta name=\"description\" content=\"Professional English engineering guide to Feichun CU\/XLPE\/CTS\/LSZH\/AWA\/LSZH 6.35\/11 kV Dca single-core medium-voltage cable, including the full 70\u2013630 mm\u00b2 matrix, copper screen, aluminium wire armour, LSZH layers, fire performance, installation and verification. \">\n<meta name=\"keywords\" content=\"CU XLPE CTS LSZH AWA LSZH 6.35\/11 kV Dca cable, aluminium wire armoured single core cable, BS 7835, Dca-s2,d2,a2, IEC 60332-3 Category C, 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}.good{border-left:7px solid var(--g)}.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}table.matrix{min-width:1900px}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)}td.derived{background:#1d4b67;color:#caedff;font-weight:bold}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\/AWA\/LSZH 6.35\/11 kV Dca Cable Engineering Guide\",\"description\":\"Engineering guide to the 70\u2013630 mm\u00b2 copper-conductor, copper-screen, LSZH and aluminium-wire-armoured single-core MV cable matrix.\",\"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>6.35\/11 kV<\/span><span>Dca CLASS<\/span><span>70\u2013630 mm\u00b2<\/span><span>CU \/ XLPE \/ CTS<\/span><span>LSZH \/ AWA \/ LSZH<\/span><span>BS 7835<\/span><span>15 \u00d7 D<\/span><\/div><h1>Feichun CU\/XLPE\/CTS\/LSZH\/AWA\/LSZH 6.35\/11 kV \u2014 Dca Medium-Voltage Cable<\/h1><p class=\"lead\">A full-English engineering guide to the single-core copper-conductor cable with XLPE insulation, copper metallic screen, LSZH separation sheath, single aluminium wire armour layer and LSZH outer sheath. The supplied source provides a complete 70\u2013630 mm\u00b2 matrix for fixed energy networks, underground routes, ducts and industrial areas where mechanical stresses are expected.<\/p><div class=\"meta\"><span>Uo\/U: 6.35 \/ 11 kV<\/span><span>Stranded class 2 copper<\/span><span>90 \u00b0C service<\/span><span>250 \u00b0C short circuit<\/span><span>Dca Class<\/span><span>IEC 60332-3 Cat. C<\/span><span>IEC 60754-1 \/ -2<\/span><span>IEC 61034<\/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; no Um value is added.<\/div><\/div><div class=\"card\"><div>Armour<\/div><div class=\"value\">AWA<\/div><div>Single layer of aluminium wires around an LSZH separation sheath.<\/div><\/div><div class=\"card\"><div>Family matrix<\/div><div class=\"value\">70\u2013630 mm\u00b2<\/div><div>Eleven source rows, including both 400 mm\u00b2 references.<\/div><\/div><div class=\"card\"><div>Fire platform<\/div><div class=\"value\">Dca<\/div><div>LSZH layers plus source-listed IEC fire and smoke references.<\/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 family specification<\/li><li>Full 70\u2013630 mm\u00b2 source matrix<\/li><li>Layer-by-layer cross-section<\/li><li>AWA mechanical and electrical system<\/li><li>Electrical, thermal and short-circuit design<\/li><li>Fire performance and DoP separation<\/li><li>Fixed-route application architecture<\/li><li>Handling, bending and termination<\/li><li>Selection comparison<\/li><li>Failure mode analysis<\/li><li>Feichun certification scope<\/li><li>Source and data audit<\/li><\/ol><\/div>\n\n<h2>1. Engineering position: an armoured LSZH MV cable for mechanically stressed fixed routes<\/h2>\n<div class=\"note\"><b>CU\/XLPE\/CTS\/LSZH\/AWA\/LSZH 6.35\/11 kV is a single-core, XLPE-insulated cable with a copper conductor, copper metallic screen, LSZH separation sheath, single-layer aluminium wire armour and LSZH outer sheath.<\/b> The supplied application covers energy networks with sudden load changes where mechanical stresses are expected, residential or industrial areas, underground routes and ducts.<\/div>\n<div class=\"grid\"><div class=\"box\"><b>Dielectric platform<\/b><br>Class 2 copper, conductor semicon, XLPE insulation and insulation semicon create the MV radial electric-field system. Screen preparation and accessory stress control remain critical.<\/div><div class=\"box\"><b>Mechanical platform<\/b><br>The AWA layer supplies mechanical protection around a single core. It must be coordinated with pulling load, sidewall pressure, cleats, impact, armour continuity and termination geometry.<\/div><div class=\"box\"><b>Fire \/ sheath platform<\/b><br>Two LSZH sheath layers, Dca source classification and the listed IEC fire references support a low-smoke, halogen-related fire strategy. They do not replace route fire engineering.<\/div><div class=\"box\"><b>Electrical platform<\/b><br>Single-core formation changes inductance, capacitance, screen currents, armour losses and fault paths. Flat and trefoil ratings must be used only under their stated conditions.<\/div><\/div>\n<div class=\"warn\"><b>Data boundary:<\/b> the matrix below preserves the supplied Nexans reference without removing the duplicate 400 mm\u00b2 row or replacing dashes with calculated values. It is a technical benchmark for Feichun development, not an invented Feichun manufacturing drawing, product code or certificate.<\/div>\n\n<h2>2. Designation and construction logic<\/h2>\n<div class=\"scroll\"><table><thead><tr><th>Designation element<\/th><th>Engineering reading<\/th><th>Design consequence<\/th><th>Evidence status<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">CU<\/td><td>Copper conductor.<\/td><td>Use the conductor resistance, fault duty and accessory area stated for the selected size.<\/td><td class=\"source\">Source construction<\/td><\/tr><tr><td class=\"key\">XLPE<\/td><td>Cross-linked polyethylene insulation.<\/td><td>Coordinate dielectric thickness, screen stripping, termination and test requirements with the 6.35\/11 kV voltage class.<\/td><td class=\"source\">Source construction<\/td><\/tr><tr><td class=\"key\">CTS<\/td><td>Copper metallic screen designation; the source construction lists copper wires \/ copper tapes.<\/td><td>Do not assume one screen geometry or one screen fault rating across all sizes without the released drawing.<\/td><td class=\"source\">Source designation + construction<\/td><\/tr><tr><td class=\"key\">LSZH \/ LSZH<\/td><td>LSZH separation sheath plus LSZH outer sheath.<\/td><td>Separate the fire, mechanical and environmental functions of the two layers; LSZH alone is not a CPR class.<\/td><td class=\"source\">Source construction<\/td><\/tr><tr><td class=\"key\">AWA<\/td><td>Single layer of aluminium wire armour.<\/td><td>Review impact, compression, bonding, induced currents, armour losses, cleat forces and termination preparation.<\/td><td class=\"source\">Source construction<\/td><\/tr><tr><td class=\"key\">6.35\/11 kV<\/td><td>Rated voltage Uo\/U as supplied.<\/td><td>Check system earthing, insulation coordination, accessories and test voltage; no Um value is inferred.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Dca Class<\/td><td>Family fire-performance title.<\/td><td>Use the current product-specific declaration for the exact size; do not copy the 1\u00d770 DoP to every row.<\/td><td class=\"source\">Family title \/ DoP review<\/td><\/tr><\/tbody><\/table><\/div>\n<div class=\"grid\"><div class=\"box\"><b>Why two LSZH layers?<\/b><br>The separation sheath isolates the metallic screen from the armour. The outer sheath is the environmental interface. Their thickness, compound and bonding to accessories must be controlled separately.<\/div><div class=\"box\"><b>Why aluminium wire armour?<\/b><br>For a single-core AC cable, non-ferromagnetic armour avoids the ferromagnetic-armour issue associated with magnetic losses. The actual induced-current and loss result still depends on formation, spacing, bonding and earthing.<\/div><div class=\"box\"><b>What class 2 does not mean<\/b><br>Stranded class 2 improves handling relative to a solid conductor, but it does not make this cable a reeling, festoon, drag-chain or continuous-torsion cable.<\/div><div class=\"box\"><b>Mechanical-stress application<\/b><br>The source expects mechanical stresses, but the installed route still needs a pulling plan, impact assessment, support design, minimum radius and accessory method statement.<\/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\">BS 7835<\/td><td>Product standard listed by the Nexans source.<\/td><td>Use the controlled project copy and confirm the edition \/ conformity route in the purchase specification.<\/td><td class=\"source\">The source does not state an edition in the supplied text.<\/td><\/tr><tr><td class=\"key\">IEC 60332-3 Cat. C<\/td><td>Vertical flame-spread test reference for bunched cables.<\/td><td>It evaluates flame spread under defined test conditions; it is not a direct replacement for the CPR Dca declaration.<\/td><td class=\"source\">Source-listed test reference.<\/td><\/tr><tr><td class=\"key\">IEC 60754-1<\/td><td>Halogen-free reference.<\/td><td>Use with the actual insulation \/ sheath compound and current report.<\/td><td class=\"source\">Source-listed.<\/td><\/tr><tr><td class=\"key\">IEC 60754-2<\/td><td>Gases-corrosivity reference.<\/td><td>Relevant to corrosive-gas control for plant, tunnel and building fire strategy.<\/td><td class=\"source\">Source-listed.<\/td><\/tr><tr><td class=\"key\">IEC 61034<\/td><td>Smoke-density reference.<\/td><td>Combine with route geometry, cable grouping, ventilation and fire compartmentation.<\/td><td class=\"source\">Source lists IEC 61034 without a part number.<\/td><\/tr><tr><td class=\"key\">IEC 60502-2<\/td><td>Related IEC MV cable standard, not the product standard listed for this reference.<\/td><td>If a project requires IEC 60502-2, obtain an explicit conformity statement; do not silently treat BS 7835 and IEC 60502-2 as interchangeable.<\/td><td class=\"source\">Comparison \/ project confirmation.<\/td><\/tr><\/tbody><\/table><\/div>\n<div class=\"note\"><b>Evidence rule:<\/b> the checked Nexans product page identifies BS 7835, the copper \/ XLPE \/ screen \/ LSZH \/ AWA \/ LSZH construction, the 15\u00d7D laying factor and the characteristic fields. The official 1\u00d770 PDF supplies the page-1 construction and page-2 technical values; the separate DoP supplies the product-specific Dca-s2,d2,a2 declaration. These documents are not merged into one undated specification.<\/div>\n\n<h2>4. Complete family specification<\/h2>\n<div class=\"note\"><b>Source values are shown in the second column; interpretation is separate.<\/b> The article preserves the user-provided 2026 source record and adds only official product-page \/ DoP fields with their size and document limitations.<\/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\/AWA\/LSZH 6.35\/11 kV – Dca Class<\/td><td>Single-core XLPE-insulated medium-voltage cable with a copper conductor, copper screen, two LSZH sheath layers and a single layer of aluminium wire armour.<\/td><td class=\"source\">Supplied \/ Nexans family reference<\/td><\/tr><tr><td class=\"key\">Product standard<\/td><td class=\"source\">BS 7835<\/td><td>The source lists BS 7835 as the product standard. Confirm the contract edition and the exact Feichun conformity route before release.<\/td><td class=\"source\">Supplied source \u2014 edition to be confirmed<\/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 but does not state an Um value; no Um value is invented here.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Conductor material<\/td><td class=\"source\">Copper<\/td><td>Low-resistance phase conductor for fixed MV energy-network feeders and industrial routes.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Conductor flexibility<\/td><td class=\"source\">Stranded class 2<\/td><td>Circular stranded construction supports laying and termination handling; it is not a continuous-flex or reeling rating.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Number of cores<\/td><td class=\"source\">1<\/td><td>Single-core AC cable; formation, screen bonding, armour bonding, induced currents and cleat forces are system-level decisions.<\/td><td class=\"source\">Official 1\u00d770 product page<\/td><\/tr><tr><td class=\"key\">Conductor shape<\/td><td class=\"source\">Circular stranded (RM)<\/td><td>The checked 1\u00d770 product page identifies circular stranded RM geometry.<\/td><td class=\"source\">Official 1\u00d770 product page<\/td><\/tr><tr><td class=\"key\">Operating temperature, range<\/td><td class=\"source\">-20 … 90 \u00b0C<\/td><td>The supplied usage range; ambient, installation, accessory and sheath limits still govern the complete system.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Short-circuit max. conductor temperature<\/td><td class=\"source\">250 \u00b0C<\/td><td>Use with protection clearing time, conductor I\u00b2t and accessory short-circuit capability.<\/td><td class=\"source\">Official 1\u00d770 product page \/ supplied source<\/td><\/tr><tr><td class=\"key\">Bending factor when laying<\/td><td class=\"source\">15 (xD)<\/td><td>The 15\u00d7D factor is a laying control. It does not establish a dynamic travel, torsion or reeling rating.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Max. conductor temperature in service<\/td><td class=\"source\">90 \u00b0C<\/td><td>Continuous conductor temperature limit stated in the source characteristics.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Mechanical resistance to impacts<\/td><td class=\"source\">Good<\/td><td>The checked 1\u00d770 product page lists good impact resistance; verify the exact released Feichun armour and sheath construction.<\/td><td class=\"source\">Official 1\u00d770 product page<\/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-insulation 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 6.35\/11 kV 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 before the semi-conducting tape and metallic screen.<\/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 uses the term \u201cCrape paper\u201d; it is preserved without silently changing the material designation.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Metallic screen<\/td><td class=\"source\">Copper wires \/ copper tapes<\/td><td>Provides screen continuity and an earth-fault path; the source wording does not assign a single screen geometry to every size.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Separation sheath<\/td><td class=\"source\">LSZH<\/td><td>Separates the metallic screen from the aluminium wire armour and contributes to the multi-layer fire \/ mechanical system.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Wire armour<\/td><td class=\"source\">Single layer aluminium wire<\/td><td>Non-ferromagnetic armour is an appropriate engineering choice for a single-core AC construction, but induced-current, bonding and mechanical calculations remain necessary.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Outer sheath<\/td><td class=\"source\">LSZH<\/td><td>External low-smoke, halogen-free protection; exact compound, thickness, colour and CPR evidence must match the released product.<\/td><td class=\"source\">Supplied source<\/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 the same as the CPR Dca classification.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Gases corrosivity<\/td><td class=\"source\">IEC 60754-2<\/td><td>Corrosive-gas performance reference listed by the source.<\/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 reference listed by the source.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Smoke density<\/td><td class=\"source\">IEC 61034<\/td><td>Smoke-density reference listed by the source; the checked PDF uses IEC 61034 without adding a part number.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Fire-performance family title<\/td><td class=\"source\">Dca Class<\/td><td>The family title supplied by the user and Nexans family page. Exact CPR sub-classes must be taken from the product-specific declaration.<\/td><td class=\"source\">Supplied \/ family reference<\/td><\/tr><tr><td class=\"key\">Declared fire performance for 1\u00d770 mm\u00b2<\/td><td class=\"source\">Dca-s2,d2,a2<\/td><td>The checked DoP No. 1000587-TRDE declares this performance for product reference 10536095 only; do not generalise it to all matrix rows without each current declaration.<\/td><td class=\"source\">Official 1\u00d770 DoP<\/td><\/tr><tr><td class=\"key\">DoP number for 1\u00d770 mm\u00b2<\/td><td class=\"source\">1000587-TRDE<\/td><td>Product-specific declaration associated with Nexans ref. 10536095.<\/td><td class=\"source\">Official 1\u00d770 DoP<\/td><\/tr><tr><td class=\"key\">DoP date<\/td><td class=\"source\">5\/23\/18<\/td><td>This date belongs to the checked 1\u00d770 DoP and is distinct from the supplied technical-sheet generation date 8\/4\/26.<\/td><td class=\"source\">Official 1\u00d770 DoP \u2014 separate document year<\/td><\/tr><tr><td class=\"key\">AVCP<\/td><td class=\"source\">System 3<\/td><td>Assessment and Verification of Constancy of Performance shown in the checked 1\u00d770 DoP.<\/td><td class=\"source\">Official 1\u00d770 DoP<\/td><\/tr><tr><td class=\"key\">Notified body<\/td><td class=\"source\">1008<\/td><td>Number shown in the checked 1\u00d770 DoP; do not treat it as a Feichun certification identifier.<\/td><td class=\"source\">Official 1\u00d770 DoP<\/td><\/tr><tr><td class=\"key\">Harmonized standard in 1\u00d770 DoP<\/td><td class=\"source\">EN 50575:2014+A1:2016<\/td><td>The CPR reference stated in the checked 1\u00d770 declaration.<\/td><td class=\"source\">Official 1\u00d770 DoP<\/td><\/tr><tr><td class=\"key\">Application<\/td><td class=\"source\">Energy networks with sudden load changes where mechanical stresses are expected; residential or industrial areas; underground or in ducts<\/td><td>Use for fixed MV routes after voltage, thermal, mechanical, fire, sheath and accessory conditions are closed by design.<\/td><td class=\"source\">Supplied source<\/td><\/tr><tr><td class=\"key\">Source record<\/td><td class=\"source\">Generated 8\/4\/26 \u2014 www.nexans.com.tr \u2014 Page 1 \/ 2<\/td><td>Preserved from the supplied reference; confirm the controlled document revision before procurement.<\/td><td class=\"source\">Supplied source metadata<\/td><\/tr><tr><td class=\"key\">Source record continuation<\/td><td class=\"source\">CU\/XLPE\/CTS\/LSZH\/AWA\/LSZH 6.35\/11 kV – Dca Class \u2014 Page 2 \/ 2<\/td><td>The supplied matrix and characteristics are treated as the technical reference record for this article.<\/td><td class=\"source\">Supplied source metadata<\/td><\/tr><\/tbody><\/table><\/div>\n\n<h2>5. Full source matrix \u2014 CU\/XLPE\/CTS\/LSZH\/AWA\/LSZH 6.35\/11 kV<\/h2>\n<p>This is the complete supplied matrix. The two 400 mm\u00b2 rows are intentionally retained because they carry different Nexans references, even though the numerical fields shown are identical.<\/p>\n<div class=\"scroll\"><table class=\"matrix\"><thead><tr><th>Cross<br>section<br>[mm\u00b2]<\/th><th>Nom.<br>outer<br>diam.<br>[mm]<\/th><th>Approx.<br>weight<br>[kg\/km]<\/th><th>Max. DC Resist.<br>Cond. 20 \u00b0C<br>[Ohm\/km]<\/th><th>Approx. inductance,<br>flat formation<br>[mH\/km]<\/th><th>Approx. inductance,<br>trefoil formation<br>[mH\/km]<\/th><th>Nom. phase<br>capacitance<br>[\u00b5F\/km]<\/th><th>Perm. current<br>buried 20 \u00b0C –<br>flat [A]<\/th><th>Perm. current<br>buried 20 \u00b0C –<br>trefoil [A]<\/th><th>Perm. current<br>in air 30 \u00b0C –<br>flat [A]<\/th><th>Current rating<br>in air 30 \u00b0C –<br>trefoil [A]<\/th><th>Short circuit<br>conductor 1 s<br>[kA]<\/th><th>Short circuit<br>screen 1 s<br>[kA]<\/th><th>Nexans<br>Ref.<\/th><\/tr><\/thead><tbody><tr><td class=\"source\">70<\/td><td class=\"source\">28.0<\/td><td class=\"source\">1400<\/td><td class=\"source\">0.268<\/td><td class=\"source\">0.48<\/td><td class=\"source\">0.4<\/td><td class=\"source\">0.27<\/td><td class=\"source\">246<\/td><td class=\"source\">239<\/td><td class=\"source\">356<\/td><td class=\"source\">296<\/td><td class=\"source\">10<\/td><td class=\"source\">.58<\/td><td class=\"source\">10536095<\/td><\/tr><tr><td class=\"source\">95<\/td><td class=\"source\">30.0<\/td><td class=\"source\">1700<\/td><td class=\"source\">0.193<\/td><td class=\"source\">0.57<\/td><td class=\"source\">0.38<\/td><td class=\"source\">0.31<\/td><td class=\"source\">293<\/td><td class=\"source\">285<\/td><td class=\"source\">434<\/td><td class=\"source\">361<\/td><td class=\"source\">13.6<\/td><td class=\"source\">.58<\/td><td class=\"source\">10518331<\/td><\/tr><tr><td class=\"source\">120<\/td><td class=\"source\">33.0<\/td><td class=\"source\">2000<\/td><td class=\"source\">0.153<\/td><td class=\"source\">0.56<\/td><td class=\"source\">0.37<\/td><td class=\"source\">0.34<\/td><td class=\"source\">332<\/td><td class=\"source\">323<\/td><td class=\"source\">500<\/td><td class=\"source\">417<\/td><td class=\"source\">17.2<\/td><td class=\"source\">.58<\/td><td class=\"source\">10535897<\/td><\/tr><tr><td class=\"source\">150<\/td><td class=\"source\">34.0<\/td><td class=\"source\">2500<\/td><td class=\"source\">0.124<\/td><td class=\"source\">0.55<\/td><td class=\"source\">0.36<\/td><td class=\"source\">0.36<\/td><td class=\"source\">366<\/td><td class=\"source\">361<\/td><td class=\"source\">559<\/td><td class=\"source\">473<\/td><td class=\"source\">21.4<\/td><td class=\"source\">.77<\/td><td class=\"source\">10520983<\/td><\/tr><tr><td class=\"source\">185<\/td><td class=\"source\">36.0<\/td><td class=\"source\">2750<\/td><td class=\"source\">0.099<\/td><td class=\"source\">0.54<\/td><td class=\"source\">0.35<\/td><td class=\"source\">0.4<\/td><td class=\"source\">410<\/td><td class=\"source\">406<\/td><td class=\"source\">637<\/td><td class=\"source\">543<\/td><td class=\"source\">26.5<\/td><td class=\"source\">.77<\/td><td class=\"source\">10520982<\/td><\/tr><tr><td class=\"source\">240<\/td><td class=\"source\">38.0<\/td><td class=\"source\">3500<\/td><td class=\"source\">0.075<\/td><td class=\"source\">0.52<\/td><td class=\"source\">0.33<\/td><td class=\"source\">0.45<\/td><td class=\"source\">470<\/td><td class=\"source\">469<\/td><td class=\"source\">745<\/td><td class=\"source\">641<\/td><td class=\"source\">34.3<\/td><td class=\"source\">.77<\/td><td class=\"source\">10522716<\/td><\/tr><tr><td class=\"source\">300<\/td><td class=\"source\">41.0<\/td><td class=\"source\">4000<\/td><td class=\"source\">0.06<\/td><td class=\"source\">0.51<\/td><td class=\"source\">0.33<\/td><td class=\"source\">0.49<\/td><td class=\"source\">524<\/td><td class=\"source\">526<\/td><td class=\"source\">846<\/td><td class=\"source\">735<\/td><td class=\"source\">42.9<\/td><td class=\"source\">.96<\/td><td class=\"source\">10535265<\/td><\/tr><tr><td class=\"source\">400<\/td><td class=\"source\">45.0<\/td><td class=\"source\">5000<\/td><td class=\"source\">0.047<\/td><td class=\"source\">0.51<\/td><td class=\"source\">0.32<\/td><td class=\"source\">0.54<\/td><td class=\"source\">572<\/td><td class=\"source\">590<\/td><td class=\"source\">938<\/td><td class=\"source\">845<\/td><td class=\"source\">57.2<\/td><td class=\"source\">.96<\/td><td class=\"source\">10536031<\/td><\/tr><tr><td class=\"source\">400<\/td><td class=\"source\">45.0<\/td><td class=\"source\">5000<\/td><td class=\"source\">0.047<\/td><td class=\"source\">0.51<\/td><td class=\"source\">0.32<\/td><td class=\"source\">0.54<\/td><td class=\"source\">572<\/td><td class=\"source\">590<\/td><td class=\"source\">938<\/td><td class=\"source\">845<\/td><td class=\"source\">57.2<\/td><td class=\"source\">.96<\/td><td class=\"source\">10543609<\/td><\/tr><tr><td class=\"source\">500<\/td><td class=\"source\">48.0<\/td><td class=\"source\">6250<\/td><td class=\"source\">0.037<\/td><td class=\"source\">0.49<\/td><td class=\"source\">0.31<\/td><td class=\"source\">0.61<\/td><td class=\"source\">–<\/td><td class=\"source\">688<\/td><td class=\"source\">–<\/td><td class=\"source\">1000<\/td><td class=\"source\">71.5<\/td><td class=\"source\">1.16<\/td><td class=\"source\">10521082<\/td><\/tr><tr><td class=\"source\">630<\/td><td class=\"source\">53.0<\/td><td class=\"source\">7750<\/td><td class=\"source\">0.028<\/td><td class=\"source\">0.49<\/td><td class=\"source\">0.3<\/td><td class=\"source\">0.69<\/td><td class=\"source\">–<\/td><td class=\"source\">774<\/td><td class=\"source\">1150<\/td><td class=\"source\">1150<\/td><td class=\"source\">90.1<\/td><td class=\"source\">1.16<\/td><td class=\"source\">10530522<\/td><\/tr><\/tbody><\/table><\/div>\n<p class=\"small\">Dashes in the supplied matrix are retained as dashes. They are not zero values and are not replaced by estimates from another formation or size.<\/p>\n\n<h2>6. Layer-by-layer cross-section<\/h2>\n<div class=\"svg\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 1900 1370\" role=\"img\" aria-label=\"Physically credible cross-section of CU XLPE copper screen LSZH aluminium wire armour LSZH single-core cable\">\n<defs>\n<radialGradient id=\"dca-outer\" cx=\"30%\" cy=\"22%\"><stop stop-color=\"#9b3e49\"\/><stop offset=\".62\" stop-color=\"#541b25\"\/><stop offset=\"1\" stop-color=\"#17070b\"\/><\/radialGradient>\n<radialGradient id=\"dca-awa\" cx=\"30%\" cy=\"22%\"><stop stop-color=\"#b9c6cd\"\/><stop offset=\".55\" stop-color=\"#71828a\"\/><stop offset=\"1\" stop-color=\"#29383e\"\/><\/radialGradient>\n<radialGradient id=\"dca-lszh\" cx=\"30%\" cy=\"22%\"><stop stop-color=\"#8a5f68\"\/><stop offset=\".65\" stop-color=\"#57363f\"\/><stop offset=\"1\" stop-color=\"#24121a\"\/><\/radialGradient>\n<radialGradient id=\"dca-xlpe\" cx=\"31%\" cy=\"24%\"><stop stop-color=\"#f8ebc9\"\/><stop offset=\".72\" stop-color=\"#d5bd8a\"\/><stop offset=\"1\" stop-color=\"#92764c\"\/><\/radialGradient>\n<radialGradient id=\"dca-cu\" cx=\"30%\" cy=\"24%\"><stop stop-color=\"#f1b26e\"\/><stop offset=\".65\" stop-color=\"#bf682b\"\/><stop offset=\"1\" stop-color=\"#703313\"\/><\/radialGradient>\n<pattern id=\"dca-strands\" width=\"18\" height=\"18\" patternUnits=\"userSpaceOnUse\"><circle cx=\"4\" cy=\"4\" r=\"3.4\" fill=\"#f4c383\"\/><circle cx=\"13\" cy=\"4\" r=\"3.4\" fill=\"#b75c26\"\/><circle cx=\"8.5\" cy=\"13\" r=\"3.4\" fill=\"#d67a33\"\/><\/pattern>\n<pattern id=\"dca-cu-screen\" width=\"18\" height=\"18\" patternUnits=\"userSpaceOnUse\"><path d=\"M0 3 L18 15 M-5 3 L13 15 M5 -3 L23 9\" stroke=\"#d8b44d\" stroke-width=\"4\"\/><path d=\"M0 15 L18 3 M-5 15 L13 3 M5 21 L23 9\" stroke=\"#8c651e\" stroke-width=\"3\"\/><\/pattern>\n<pattern id=\"dca-awa-wires\" width=\"30\" height=\"30\" patternUnits=\"userSpaceOnUse\"><path d=\"M-8 22 L22 -8 M8 38 L38 8\" stroke=\"#d9e2e6\" stroke-width=\"12\"\/><path d=\"M-8 22 L22 -8 M8 38 L38 8\" stroke=\"#5c6c74\" stroke-width=\"3\"\/><\/pattern>\n<marker id=\"dca-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=\"1370\" fill=\"#06131b\"\/>\n<text x=\"62\" y=\"67\" fill=\"#55dff7\" font-family=\"Arial\" font-size=\"36\" font-weight=\"700\">CU\/XLPE\/CTS\/LSZH\/AWA\/LSZH \u2014 6.35\/11 kV source construction<\/text>\n<text x=\"62\" y=\"107\" fill=\"#adc4ce\" font-family=\"Arial\" font-size=\"18\">Copper conductor \u00b7 XLPE \u00b7 copper metallic screen \u00b7 LSZH separation sheath \u00b7 single aluminium wire armour layer \u00b7 LSZH outer sheath.<\/text>\n<text x=\"62\" y=\"141\" fill=\"#ffaaa5\" font-family=\"Arial\" font-size=\"16\">Illustrative engineering reconstruction, not a manufacturing drawing. Exact thickness, screen coverage, armour wire diameter and lay require the controlled Feichun release.<\/text>\n<g transform=\"translate(635 790)\">\n <circle r=\"500\" fill=\"url(#dca-outer)\" stroke=\"#ba5d68\" stroke-width=\"14\"\/>\n <circle r=\"440\" fill=\"url(#dca-awa-wires)\" stroke=\"#d9e2e6\" stroke-width=\"10\"\/>\n <circle r=\"382\" fill=\"url(#dca-lszh)\" stroke=\"#b98998\" stroke-width=\"8\"\/>\n <circle r=\"355\" fill=\"url(#dca-cu-screen)\" stroke=\"#edca67\" stroke-width=\"11\"\/>\n <circle r=\"325\" fill=\"#2d4149\" stroke=\"#9dbcc4\" stroke-width=\"7\" stroke-dasharray=\"8 12\"\/>\n <circle r=\"300\" fill=\"#587a83\" stroke=\"#b4d4d9\" stroke-width=\"7\" stroke-dasharray=\"7 10\"\/>\n <circle r=\"278\" fill=\"url(#dca-xlpe)\" stroke=\"#ffe8a5\" stroke-width=\"10\"\/>\n <circle r=\"153\" fill=\"#263d44\" stroke=\"#9fbcc2\" stroke-width=\"7\" stroke-dasharray=\"8 12\"\/>\n <circle r=\"137\" fill=\"#e7d698\" stroke=\"#fff0b8\" stroke-width=\"8\"\/>\n <circle r=\"91\" fill=\"url(#dca-cu)\" stroke=\"#f5c083\" stroke-width=\"8\"\/>\n <circle r=\"70\" fill=\"url(#dca-strands)\" stroke=\"#ffe0a8\" stroke-width=\"5\"\/>\n<\/g>\n<g font-family=\"Arial\" fill=\"#eaf6fa\">\n <line x1=\"1000\" y1=\"300\" x2=\"1390\" y2=\"160\" stroke=\"#dcebf0\" stroke-width=\"3\" marker-end=\"url(#dca-arrow)\"\/><text x=\"1415\" y=\"157\" font-size=\"24\" font-weight=\"700\" fill=\"#ff9c9f\">1. LSZH outer sheath<\/text><text x=\"1415\" y=\"190\" font-size=\"18\">External low-smoke, halogen-free protection.<\/text>\n <line x1=\"965\" y1=\"410\" x2=\"1390\" y2=\"300\" stroke=\"#dcebf0\" stroke-width=\"3\" marker-end=\"url(#dca-arrow)\"\/><text x=\"1415\" y=\"297\" font-size=\"24\" font-weight=\"700\" fill=\"#d7e4e8\">2. Single-layer aluminium wire armour<\/text><text x=\"1415\" y=\"330\" font-size=\"18\">Mechanical protection around the single-core cable; non-ferromagnetic material.<\/text>\n <line x1=\"930\" y1=\"515\" x2=\"1390\" y2=\"450\" stroke=\"#dcebf0\" stroke-width=\"3\" marker-end=\"url(#dca-arrow)\"\/><text x=\"1415\" y=\"447\" font-size=\"24\" font-weight=\"700\" fill=\"#d5a3af\">3. LSZH separation sheath<\/text><text x=\"1415\" y=\"480\" font-size=\"18\">Separates copper screen and aluminium armour.<\/text>\n <line x1=\"885\" y1=\"610\" x2=\"1390\" y2=\"600\" stroke=\"#dcebf0\" stroke-width=\"3\" marker-end=\"url(#dca-arrow)\"\/><text x=\"1415\" y=\"597\" font-size=\"24\" font-weight=\"700\" fill=\"#e8c37b\">4. Copper wires \/ copper tapes<\/text><text x=\"1415\" y=\"630\" font-size=\"18\">Metallic screen; continuity and fault duty depend on the controlled construction.<\/text>\n <line x1=\"435\" y1=\"600\" x2=\"70\" y2=\"360\" stroke=\"#dcebf0\" stroke-width=\"3\" marker-end=\"url(#dca-arrow)\"\/><text x=\"62\" y=\"295\" font-size=\"24\" font-weight=\"700\" fill=\"#9ce9f3\">5. Semi-conducting tape: Crape paper<\/text><text x=\"62\" y=\"328\" font-size=\"18\">Source wording preserved exactly; verify the released material designation.<\/text>\n <line x1=\"410\" y1=\"720\" x2=\"70\" y2=\"690\" stroke=\"#dcebf0\" stroke-width=\"3\" marker-end=\"url(#dca-arrow)\"\/><text x=\"62\" y=\"625\" font-size=\"24\" font-weight=\"700\" fill=\"#86c1cb\">6. Semi-conducting insulation screen<\/text><text x=\"62\" y=\"658\" font-size=\"18\">Radial electric-field transition around XLPE.<\/text>\n <line x1=\"420\" y1=\"860\" x2=\"70\" y2=\"1030\" stroke=\"#dcebf0\" stroke-width=\"3\" marker-end=\"url(#dca-arrow)\"\/><text x=\"62\" y=\"970\" font-size=\"24\" font-weight=\"700\" fill=\"#f0d99a\">7. XLPE insulation<\/text><text x=\"62\" y=\"1003\" font-size=\"18\">Principal dielectric layer for 6.35\/11 kV rated voltage.<\/text>\n <line x1=\"470\" y1=\"945\" x2=\"70\" y2=\"1190\" stroke=\"#dcebf0\" stroke-width=\"3\" marker-end=\"url(#dca-arrow)\"\/><text x=\"62\" y=\"1130\" font-size=\"24\" font-weight=\"700\" fill=\"#e8a568\">8. Stranded class 2 copper conductor<\/text><text x=\"62\" y=\"1163\" font-size=\"18\">Family conductor areas: 70\u2013630 mm\u00b2.<\/text>\n <rect x=\"1060\" y=\"1010\" width=\"720\" height=\"126\" rx=\"12\" fill=\"#081b24\" stroke=\"#315b6f\" stroke-width=\"2\"\/><text x=\"1090\" y=\"1050\" font-size=\"19\" fill=\"#55dff7\">Layer order is a functional system:<\/text><text x=\"1090\" y=\"1082\" font-size=\"18\">dielectric control \u2192 screen continuity \u2192 separation \u2192 armour \u2192 fire \/ sheath protection.<\/text>\n <text x=\"1080\" y=\"1260\" font-size=\"20\" font-weight=\"700\" fill=\"#ffaaa5\">Not to scale \u00b7 armour, screen and sheath geometry must be taken from the released drawing.<\/text>\n<\/g><\/svg><\/div>\n<p>The source order is: copper conductor; semi-conducting compound (XLPE) conductor screen; XLPE insulation; semi-conducting compound (XLPE) insulation screen; Crape paper semi-conducting tape; copper wires \/ copper tapes metallic screen; LSZH separation sheath; single-layer aluminium wire armour; LSZH outer sheath.<\/p>\n<div class=\"grid\"><div class=\"box\"><b>Conductor and screens<\/b><br>Class 2 copper provides the current path. The semiconducting screens manage electric-field transitions and require controlled stripping at MV accessories.<\/div><div class=\"box\"><b>Crape paper layer<\/b><br>The supplied source calls this \u201cCrape paper\u201d under semi-conducting tape. Preserve the term in the purchase document until the controlled material specification confirms the final wording.<\/div><div class=\"box\"><b>Copper metallic screen<\/b><br>Screen continuity affects earth-fault current, induced voltage, accessory design and electromagnetic behaviour. A generic \u201cscreen present\u201d statement is not enough.<\/div><div class=\"box\"><b>Separation sheath and armour<\/b><br>The LSZH separation sheath isolates the screen from the AWA layer; the aluminium wires supply mechanical protection. Both must be compatible with stripping tools, glands, cleats and terminations.<\/div><\/div>\n\n<h2>7. AWA mechanical and electrical system<\/h2>\n<div class=\"svg\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 1900 1010\" role=\"img\" aria-label=\"Single-core AC cable diagram showing copper screen, aluminium wire armour, bonding, induced-current review and earth-fault path\">\n<defs><marker id=\"awa-arrow\" markerWidth=\"12\" markerHeight=\"12\" refX=\"10\" refY=\"4\" orient=\"auto\"><path d=\"M0 0 L12 4 L0 8 Z\" fill=\"#dcebf0\"\/><\/marker><linearGradient id=\"awa-cable\" x1=\"0\" x2=\"1\"><stop stop-color=\"#9a3d49\"\/><stop offset=\"1\" stop-color=\"#2a0d13\"\/><\/linearGradient><\/defs>\n<rect width=\"1900\" height=\"1010\" fill=\"#06131b\"\/>\n<text x=\"60\" y=\"66\" fill=\"#55dff7\" font-family=\"Arial\" font-size=\"36\" font-weight=\"700\">AWA single-core system \u2014 mechanical armour and electrical bonding are separate checks<\/text>\n<text x=\"60\" y=\"105\" fill=\"#adc4ce\" font-family=\"Arial\" font-size=\"18\">Aluminium wire armour protects the cable mechanically; copper screen and armour bonding determine fault paths, induced currents and touch-voltage behaviour.<\/text>\n<g font-family=\"Arial\" fill=\"#eaf6fa\">\n <rect x=\"80\" y=\"215\" width=\"500\" height=\"580\" rx=\"16\" fill=\"#0b202b\" stroke=\"#e8c37b\" stroke-width=\"4\"\/><text x=\"135\" y=\"280\" font-size=\"26\" font-weight=\"700\" fill=\"#e8c37b\">Cable section<\/text>\n <circle cx=\"330\" cy=\"500\" r=\"185\" fill=\"#531b25\" stroke=\"#ba5d68\" stroke-width=\"11\"\/><circle cx=\"330\" cy=\"500\" r=\"142\" fill=\"#8799a0\" stroke=\"#dae4e8\" stroke-width=\"12\"\/><circle cx=\"330\" cy=\"500\" r=\"112\" fill=\"#8a5f68\" stroke=\"#c2919e\" stroke-width=\"7\"\/><circle cx=\"330\" cy=\"500\" r=\"82\" fill=\"#9a762e\" stroke=\"#ecd173\" stroke-width=\"10\"\/><circle cx=\"330\" cy=\"500\" r=\"58\" fill=\"#c57632\" stroke=\"#f3bb7b\" stroke-width=\"8\"\/><text x=\"170\" y=\"735\" font-size=\"19\" fill=\"#dcebf0\">outer LSZH \u2192 AWA \u2192 separation LSZH<\/text><text x=\"170\" y=\"765\" font-size=\"19\" fill=\"#dcebf0\">\u2192 copper screen \u2192 XLPE \u2192 copper core<\/text>\n <path d=\"M515 370 H760\" stroke=\"#dcebf0\" stroke-width=\"4\" marker-end=\"url(#awa-arrow)\"\/><text x=\"600\" y=\"335\" font-size=\"22\" font-weight=\"700\" fill=\"#d7e4e8\">Mechanical barrier<\/text><text x=\"600\" y=\"365\" font-size=\"17\">impact \/ compression \/ route protection<\/text>\n\n <rect x=\"760\" y=\"215\" width=\"520\" height=\"580\" rx=\"16\" fill=\"#0b202b\" stroke=\"#55dff7\" stroke-width=\"4\"\/><text x=\"825\" y=\"280\" font-size=\"26\" font-weight=\"700\" fill=\"#55dff7\">Electrical path review<\/text>\n <rect x=\"850\" y=\"365\" width=\"345\" height=\"70\" rx=\"35\" fill=\"url(#awa-cable)\" stroke=\"#b65963\" stroke-width=\"8\"\/><text x=\"930\" y=\"408\" font-size=\"20\" font-weight=\"700\">single-core phase conductor<\/text>\n <path d=\"M870 500 H1175\" stroke=\"#e8c37b\" stroke-width=\"15\"\/><text x=\"925\" y=\"545\" font-size=\"21\" font-weight=\"700\" fill=\"#e8c37b\">copper metallic screen<\/text>\n <path d=\"M870 630 H1175\" stroke=\"#c9d7dc\" stroke-width=\"22\"\/><text x=\"925\" y=\"680\" font-size=\"21\" font-weight=\"700\" fill=\"#d7e4e8\">aluminium wire armour<\/text>\n <path d=\"M820 760 H1220\" stroke=\"#62df9c\" stroke-width=\"4\" marker-end=\"url(#awa-arrow)\"\/><text x=\"840\" y=\"783\" font-size=\"17\" fill=\"#62df9c\">screen \/ armour continuity and bonding study<\/text>\n\n <rect x=\"1370\" y=\"215\" width=\"450\" height=\"580\" rx=\"16\" fill=\"#0b202b\" stroke=\"#62df9c\" stroke-width=\"4\"\/><text x=\"1430\" y=\"280\" font-size=\"26\" font-weight=\"700\" fill=\"#62df9c\">Release gates<\/text><text x=\"1430\" y=\"350\" font-size=\"19\">1. Screen fault-current duty<\/text><text x=\"1430\" y=\"395\" font-size=\"19\">2. Armour bonding arrangement<\/text><text x=\"1430\" y=\"440\" font-size=\"19\">3. Induced-current \/ loss study<\/text><text x=\"1430\" y=\"485\" font-size=\"19\">4. Cleat and impact loading<\/text><text x=\"1430\" y=\"530\" font-size=\"19\">5. Termination compatibility<\/text><text x=\"1430\" y=\"575\" font-size=\"19\">6. Touch-voltage \/ earthing review<\/text><text x=\"1430\" y=\"620\" font-size=\"19\">7. Fire documentation<\/text><rect x=\"1425\" y=\"680\" width=\"340\" height=\"72\" rx=\"10\" fill=\"#081b24\" stroke=\"#ff777f\" stroke-width=\"2\"\/><text x=\"1450\" y=\"724\" font-size=\"17\" fill=\"#ffaaa5\">AWA is not a substitute for a bonding design.<\/text>\n <rect x=\"80\" y=\"875\" width=\"1740\" height=\"70\" rx=\"10\" fill=\"#081b24\" stroke=\"#315b6f\" stroke-width=\"2\"\/><text x=\"110\" y=\"918\" font-size=\"18\" fill=\"#ffaaa5\">For single-core AC cables, the non-ferromagnetic armour choice is electrically relevant, but the final screen and armour losses depend on formation, spacing, bonding and earthing.<\/text>\n<\/g><\/svg><\/div>\n<div class=\"grid\"><div class=\"box\"><b>Mechanical protection<\/b><br>Armour reduces exposure to impact and compression, but it does not make the cable indestructible. Confirm route obstacles, trench entry, rollers, cleats, backfill, minimum radius and external loads.<\/div><div class=\"box\"><b>Non-ferromagnetic armour<\/b><br>Aluminium wire armour is appropriate for a single-core AC architecture where ferromagnetic armour could create additional magnetic effects. Final losses must be solved from actual formation and bonding.<\/div><div class=\"box\"><b>Screen versus armour<\/b><br>The copper screen and AWA layer are not automatically the same electrical conductor. Bonding, fault-current distribution and touch-voltage control must be defined at both ends and across joints.<\/div><div class=\"box\"><b>Accessory boundary<\/b><br>Glands, cleats, terminations and joints must accommodate the outer diameter, armour geometry, screen continuity and the exact manufacturer preparation dimensions.<\/div><\/div>\n\n<h2>8. Electrical, thermal and short-circuit design<\/h2>\n<div class=\"grid\"><div class=\"box\"><b>Formation-specific ratings<\/b><br>The source gives buried and in-air current ratings for both flat and trefoil formations. The 500 mm\u00b2 row has dashes for buried flat and air flat; retain them and use only the published trefoil values unless a current calculation provides the missing basis.<\/div><div class=\"box\"><b>Inductance and capacitance<\/b><br>Flat and trefoil inductance values differ because conductor geometry changes magnetic coupling. Nominal phase capacitance is supplied as a family matrix value; use the actual route arrangement for system studies.<\/div><div class=\"box\"><b>Voltage drop and losses<\/b><br>Use DCR at 20 \u00b0C with temperature correction and the applicable AC impedance model. For a single-core three-phase circuit, phase formation, screen \/ armour losses and power factor can influence the result.<\/div><div class=\"box\"><b>Fault duty<\/b><br>The matrix supplies both conductor and screen 1 s short-circuit fields. Verify the protection clearing time, initial temperature, conductor 250 \u00b0C limit, screen \/ armour path, joints and terminations as one I\u00b2t chain.<\/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 formation, ambient, soil, grouping, screen losses, armour losses, accessory limits)\n\nShort-circuit coordination:\nI\u00b2t_protection \u2264 I\u00b2t_conductor \/ screen \/ armour \/ joint \/ termination system\n\nThe supplied matrix provides DCR, inductance, capacitance, formation-specific ratings and 1 s conductor \/ screen values. The final calculation must use the controlled route, protection settings, earthing method and project standard.<\/div>\n<div class=\"scroll\"><table><thead><tr><th>Design check<\/th><th>Source fields<\/th><th>Failure if copied without review<\/th><th>Release action<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">Buried flat circuit<\/td><td>Buried 20 \u00b0C – flat formation [A]<\/td><td>Soil thermal resistivity, depth, grouping, duct fill and moisture change the result.<\/td><td class=\"source\">Recalculate actual route.<\/td><\/tr><tr><td class=\"key\">Buried trefoil circuit<\/td><td>Buried 20 \u00b0C – trefoil formation [A]<\/td><td>Trefoil spacing, screen \/ armour losses and thermal backfill affect current capacity.<\/td><td class=\"source\">Use only under stated basis.<\/td><\/tr><tr><td class=\"key\">Air installation<\/td><td>Air 30 \u00b0C flat \/ trefoil [A]<\/td><td>Ventilation, support spacing, solar heat, grouping and enclosure temperature change the result.<\/td><td class=\"source\">Recalculate actual route.<\/td><\/tr><tr><td class=\"key\">Screen fault duty<\/td><td>Short circuit screen 1 s [kA]<\/td><td>Screen bonding, armour bonding and return-path impedance can change the fault-current split.<\/td><td class=\"source\">Verify complete earthing and accessory chain.<\/td><\/tr><\/tbody><\/table><\/div>\n\n<h2>9. Fire performance, LSZH and document-year separation<\/h2>\n<div class=\"svg\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 1900 960\" role=\"img\" aria-label=\"Fire performance and engineering selection diagram for Dca LSZH medium-voltage cable\">\n<defs><marker id=\"fire-arrow-dca\" 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=\"960\" fill=\"#06131b\"\/><text x=\"60\" y=\"66\" fill=\"#55dff7\" font-family=\"Arial\" font-size=\"36\" font-weight=\"700\">Dca evidence chain \u2014 family label, product DoP and route fire strategy<\/text><text x=\"60\" y=\"106\" fill=\"#adc4ce\" font-family=\"Arial\" font-size=\"18\">Dca Class, IEC fire tests and the product-specific declaration are related but must not be substituted for one another.<\/text>\n<g font-family=\"Arial\" fill=\"#eaf6fa\">\n <rect x=\"70\" y=\"220\" width=\"350\" height=\"420\" rx=\"15\" fill=\"#0b202b\" stroke=\"#55dff7\" stroke-width=\"4\"\/><text x=\"130\" y=\"285\" font-size=\"26\" font-weight=\"700\" fill=\"#55dff7\">1. Family title<\/text><text x=\"130\" y=\"350\" font-size=\"30\" font-weight=\"700\">Dca Class<\/text><text x=\"130\" y=\"405\" font-size=\"18\">CU \/ XLPE \/ CTS<\/text><text x=\"130\" y=\"440\" font-size=\"18\">LSZH \/ AWA \/ LSZH<\/text><text x=\"130\" y=\"475\" font-size=\"18\">6.35\/11 kV<\/text><text x=\"130\" y=\"540\" font-size=\"17\" fill=\"#ffaaa5\">Do not infer all CPR<\/text><text x=\"130\" y=\"570\" font-size=\"17\" fill=\"#ffaaa5\">sub-classes from this title.<\/text>\n <path d=\"M420 430 H570\" stroke=\"#dcebf0\" stroke-width=\"5\" marker-end=\"url(#fire-arrow-dca)\"\/>\n <rect x=\"570\" y=\"220\" width=\"390\" height=\"420\" rx=\"15\" fill=\"#0b202b\" stroke=\"#e8c37b\" stroke-width=\"4\"\/><text x=\"640\" y=\"285\" font-size=\"26\" font-weight=\"700\" fill=\"#e8c37b\">2. Checked 1\u00d770 DoP<\/text><text x=\"640\" y=\"350\" font-size=\"30\" font-weight=\"700\">Dca-s2,d2,a2<\/text><text x=\"640\" y=\"405\" font-size=\"18\">Ref. 10536095<\/text><text x=\"640\" y=\"440\" font-size=\"18\">DoP 1000587-TRDE<\/text><text x=\"640\" y=\"475\" font-size=\"18\">AVCP System 3<\/text><text x=\"640\" y=\"510\" font-size=\"18\">EN 50575:2014+A1:2016<\/text><text x=\"640\" y=\"570\" font-size=\"17\" fill=\"#ffaaa5\">1\u00d770 product-specific<\/text><text x=\"640\" y=\"598\" font-size=\"17\" fill=\"#ffaaa5\">evidence; do not generalise.<\/text>\n <path d=\"M960 430 H1110\" stroke=\"#dcebf0\" stroke-width=\"5\" marker-end=\"url(#fire-arrow-dca)\"\/>\n <rect x=\"1110\" y=\"220\" width=\"330\" height=\"420\" rx=\"15\" fill=\"#0b202b\" stroke=\"#ff777f\" stroke-width=\"4\"\/><text x=\"1165\" y=\"285\" font-size=\"26\" font-weight=\"700\" fill=\"#ffaaa5\">3. Test references<\/text><text x=\"1165\" y=\"355\" font-size=\"18\">IEC 60332-3 Cat. C<\/text><text x=\"1165\" y=\"395\" font-size=\"18\">IEC 60754-1<\/text><text x=\"1165\" y=\"435\" font-size=\"18\">IEC 60754-2<\/text><text x=\"1165\" y=\"475\" font-size=\"18\">IEC 61034<\/text><text x=\"1165\" y=\"540\" font-size=\"17\" fill=\"#ffaaa5\">Different tests answer<\/text><text x=\"1165\" y=\"570\" font-size=\"17\" fill=\"#ffaaa5\">different safety questions.<\/text>\n <path d=\"M1440 430 H1590\" stroke=\"#dcebf0\" stroke-width=\"5\" marker-end=\"url(#fire-arrow-dca)\"\/>\n <rect x=\"1590\" y=\"220\" width=\"250\" height=\"420\" rx=\"15\" fill=\"#0b202b\" stroke=\"#62df9c\" stroke-width=\"4\"\/><text x=\"1630\" y=\"285\" font-size=\"26\" font-weight=\"700\" fill=\"#62df9c\">4. Route review<\/text><text x=\"1630\" y=\"350\" font-size=\"18\">grouping<\/text><text x=\"1630\" y=\"390\" font-size=\"18\">fire stopping<\/text><text x=\"1630\" y=\"430\" font-size=\"18\">supports<\/text><text x=\"1630\" y=\"470\" font-size=\"18\">enclosures<\/text><text x=\"1630\" y=\"510\" font-size=\"18\">egress<\/text><text x=\"1630\" y=\"550\" font-size=\"18\">local rules<\/text>\n <rect x=\"90\" y=\"755\" width=\"1720\" height=\"90\" rx=\"12\" fill=\"#081b24\" stroke=\"#315b6f\" stroke-width=\"2\"\/><text x=\"125\" y=\"795\" font-size=\"18\" fill=\"#55dff7\">Release rule:<\/text><text x=\"265\" y=\"795\" font-size=\"18\">quote the exact cable size, current DoP, test records, sheath construction and route fire strategy.<\/text><text x=\"125\" y=\"827\" font-size=\"18\" fill=\"#ffaaa5\">Dca Class is not a replacement for product-specific evidence, and LSZH alone is not a CPR classification.<\/text>\n<\/g><\/svg><\/div>\n<p>The supplied family title is <b>Dca Class<\/b>. The checked 1\u00d770 mm\u00b2 DoP, associated with Nexans reference 10536095, declares <b>Dca-s2,d2,a2<\/b> according to EN 50575:2014+A1:2016, with DoP No. 1000587-TRDE, date 5\/23\/18, AVCP System 3 and notified body 1008. That declaration is kept separate from the supplied technical-sheet record generated 8\/4\/26 and is not automatically applied to the other sizes.<\/p>\n<div class=\"grid\"><div class=\"box\"><b>Dca family title<\/b><br>Use the title as a family-level search and selection label. The exact ordered product must be tied to a current declaration.<\/div><div class=\"box\"><b>Dca-s2,d2,a2 for 1\u00d770<\/b><br>This is a product-specific DoP performance statement for reference 10536095. It should not be copied to 95\u2013630 mm\u00b2 without size-specific evidence.<\/div><div class=\"box\"><b>IEC 60332-3 Cat. C<\/b><br>The official IEC record describes Category C vertical flame spread of vertically mounted bunched wires or cables under defined test conditions. It is not the CPR Dca label.<\/div><div class=\"box\"><b>IEC 60754-1 and -2<\/b><br>Halogen-free and gases-corrosivity references address material behaviour under defined tests. They do not replace fire stopping, support, grouping or route design.<\/div><div class=\"box\"><b>IEC 61034<\/b><br>Smoke density is a test reference. Visibility and smoke movement in an installed route also depend on cable quantity, ventilation, enclosure and fire compartmentation.<\/div><div class=\"box\"><b>Two dates, two records<\/b><br>Never merge the 2018 1\u00d770 DoP with the 2026 generated technical sheet as though they were one revision. Confirm current product documentation before issuing a Feichun claim.<\/div><\/div>\n<div class=\"warn\"><b>Procurement rule:<\/b> request the current DoP and fire-test dossier for the exact Feichun construction and size. Do not treat LSZH, IEC 60332-3 Cat. C or the family title alone as proof of a complete CPR declaration.<\/div>\n\n<h2>10. 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=\"Fixed installation applications for 6.35\/11 kV AWA LSZH cable in substations, industrial plants, ducts and underground routes\">\n<defs><linearGradient id=\"app-sky-dca\" x1=\"0\" x2=\"0\" y1=\"0\" y2=\"1\"><stop stop-color=\"#0b3347\"\/><stop offset=\"1\" stop-color=\"#06131b\"\/><\/linearGradient><linearGradient id=\"app-ground-dca\" x1=\"0\" x2=\"0\" y1=\"0\" y2=\"1\"><stop stop-color=\"#304e55\"\/><stop offset=\"1\" stop-color=\"#0a1b24\"\/><\/linearGradient><marker id=\"app-arrow-dca\" 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-dca)\"\/><rect y=\"650\" width=\"1900\" height=\"350\" fill=\"url(#app-ground-dca)\"\/><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\">6.35\/11 kV AWA cable \u2014 fixed-route application architecture<\/text><text x=\"60\" y=\"106\" fill=\"#adc4ce\" font-family=\"Arial\" font-size=\"18\">Mechanical-stress-aware MV feeder 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=\"118\" y=\"435\" font-size=\"24\" font-weight=\"700\" fill=\"#55dff7\">MV substation<\/text><text x=\"128\" 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=\"540\" y=\"435\" font-size=\"24\" font-weight=\"700\" fill=\"#62df9c\">Switchgear<\/text><text x=\"522\" y=\"467\" font-size=\"17\">screen \/ armour bonding<\/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\">mechanical stress + drainage<\/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-dca)\"\/>\n <path d=\"M210 480 V755 H1440 V480\" fill=\"none\" stroke=\"#b23c48\" stroke-width=\"28\"\/><path d=\"M210 480 V755 H1440 V480\" fill=\"none\" stroke=\"#ffadb3\" stroke-width=\"4\"\/>\n <text x=\"210\" y=\"835\" fill=\"#ffaaa5\" font-size=\"24\" font-weight=\"700\">CU\/XLPE\/CTS\/LSZH\/AWA\/LSZH route<\/text><text x=\"210\" y=\"872\" fill=\"#dcebf0\" font-size=\"18\">Use the source current ratings only for their stated formation and ambient conditions; calculate the actual installation.<\/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 and plant boundary: suitable for fixed shore-side feeders when designed accordingly; moving crane travel, reel, festoon or drag-chain duty requires a dedicated dynamic cable.<\/text>\n<\/g><\/svg><\/div>\n<div class=\"grid\"><div class=\"box\"><b>Substation and switchgear<\/b><br>Use matched terminations, screen \/ armour bonding and phase formation. Confirm clearances, induced currents, touch voltage, fault return path and accessory heat.<\/div><div class=\"box\"><b>Underground and ducts<\/b><br>Review impact, water, drainage, pulling load, sidewall pressure, duct fill, backfill thermal resistivity, route entry and end sealing.<\/div><div class=\"box\"><b>Industrial and port shore-side feeders<\/b><br>The source application is relevant to fixed routes where mechanical stress is expected. Salt atmosphere, flooding, UV, rodents, impact, vibration and fire compartments still require project review.<\/div><div class=\"box\"><b>Moving equipment boundary<\/b><br>Do not use this fixed-installation reference for a crane reel, festoon, drag-chain or continuous travel route without a dedicated dynamic cable design.<\/div><\/div>\n\n<h2>11. Handling, bending and termination<\/h2>\n<div class=\"svg\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 1900 1080\" role=\"img\" aria-label=\"Installation controls for 6.35\/11 kV AWA cable showing drum, 15D bend radius, armour protection, cleats and termination\">\n<defs><marker id=\"inst-arrow-dca\" 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-dca\" 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=\"1080\" fill=\"#06131b\"\/><rect y=\"680\" width=\"1900\" height=\"400\" fill=\"url(#inst-floor-dca)\"\/><path d=\"M0 680 H1900\" stroke=\"#6a888f\" stroke-width=\"4\"\/>\n<text x=\"60\" y=\"65\" fill=\"#55dff7\" font-family=\"Arial\" font-size=\"36\" font-weight=\"700\">6.35\/11 kV AWA installation controls \u2014 15 \u00d7 D, armour and terminations<\/text><text x=\"60\" y=\"105\" fill=\"#adc4ce\" font-family=\"Arial\" font-size=\"18\">The supplied laying factor is 15 (xD). Derived minimum radii for the complete matrix are shown in the article table.<\/text>\n<g font-family=\"Arial\" fill=\"#eaf6fa\">\n <rect x=\"70\" y=\"260\" width=\"240\" height=\"235\" rx=\"15\" fill=\"#0b202b\" stroke=\"#55dff7\" stroke-width=\"4\"\/><circle cx=\"190\" cy=\"355\" r=\"70\" fill=\"#4b151f\" stroke=\"#b65963\" stroke-width=\"12\"\/><circle cx=\"190\" cy=\"355\" r=\"30\" fill=\"#263941\" stroke=\"#e8c37b\" stroke-width=\"8\"\/><path d=\"M190 285 V425 M120 355 H260\" stroke=\"#a9c1c5\" stroke-width=\"7\"\/><text x=\"120\" y=\"468\" font-size=\"23\" font-weight=\"700\">Drum pay-off<\/text><text x=\"105\" y=\"498\" font-size=\"16\">axis aligned \u00b7 ends sealed<\/text>\n <path d=\"M310 355 C430 355 450 555 590 555\" fill=\"none\" stroke=\"#18080c\" stroke-width=\"62\"\/><path d=\"M310 355 C430 355 450 555 590 555\" fill=\"none\" stroke=\"#a3444e\" stroke-width=\"43\"\/><path d=\"M310 355 C430 355 450 555 590 555\" fill=\"none\" stroke=\"#ffb0b4\" stroke-width=\"4\"\/>\n <path d=\"M345 195 H640\" stroke=\"#dcebf0\" stroke-width=\"4\" marker-end=\"url(#inst-arrow-dca)\"\/><text x=\"78\" y=\"170\" font-size=\"22\" font-weight=\"700\" fill=\"#e8c37b\">Controlled pulling direction<\/text><text x=\"78\" y=\"204\" font-size=\"17\">Use approved rollers and pulling equipment; protect the outer LSZH sheath.<\/text>\n <rect x=\"590\" y=\"505\" width=\"380\" height=\"95\" rx=\"12\" fill=\"#263941\" stroke=\"#9eb7bd\" stroke-width=\"5\"\/><path d=\"M670 552 H890\" stroke=\"#e8c37b\" stroke-width=\"12\"\/><text x=\"630\" y=\"690\" font-size=\"23\" font-weight=\"700\">Cleat \/ support<\/text><text x=\"630\" y=\"722\" font-size=\"17\">avoid point loading and armour damage<\/text>\n <path d=\"M970 555 H1100\" stroke=\"#a3444e\" stroke-width=\"42\"\/><path d=\"M970 555 H1100\" stroke=\"#dcebf0\" stroke-width=\"3\" marker-end=\"url(#inst-arrow-dca)\"\/><rect x=\"1100\" y=\"395\" width=\"330\" height=\"305\" rx=\"15\" fill=\"#0b202b\" stroke=\"#62df9c\" stroke-width=\"4\"\/><rect x=\"1170\" y=\"480\" width=\"190\" height=\"115\" fill=\"#263941\" stroke=\"#a6c2c7\" stroke-width=\"6\"\/><path d=\"M1190 520 H1340 M1190 550 H1340\" stroke=\"#55dff7\" stroke-width=\"7\"\/><path d=\"M1270 595 V660\" stroke=\"#62df9c\" stroke-width=\"8\"\/><text x=\"1145\" y=\"655\" font-size=\"23\" font-weight=\"700\">MV termination<\/text><text x=\"1145\" y=\"687\" font-size=\"17\">screen + armour bond record<\/text>\n <path d=\"M450 560 A185 185 0 0 1 635 745\" fill=\"none\" stroke=\"#ff777f\" stroke-width=\"5\" stroke-dasharray=\"14 10\"\/><text x=\"335\" y=\"825\" font-size=\"24\" font-weight=\"700\" fill=\"#ffaaa5\">15 \u00d7 D laying-radius control<\/text><text x=\"335\" y=\"858\" font-size=\"18\">Derived range: 420.0 mm for 70 mm\u00b2 to 795.0 mm for 630 mm\u00b2.<\/text>\n <path d=\"M1430 555 H1780\" stroke=\"#62df9c\" stroke-width=\"4\"\/><text x=\"1470\" y=\"470\" font-size=\"23\" font-weight=\"700\" fill=\"#62df9c\">Acceptance checks<\/text><text x=\"1470\" y=\"510\" font-size=\"17\">drum label and end seals<\/text><text x=\"1470\" y=\"540\" font-size=\"17\">outer sheath \/ armour inspection<\/text><text x=\"1470\" y=\"570\" font-size=\"17\">conductor resistance<\/text><text x=\"1470\" y=\"600\" font-size=\"17\">screen \/ armour continuity<\/text><text x=\"1470\" y=\"630\" font-size=\"17\">MV accessory tests<\/text><text x=\"1470\" y=\"660\" font-size=\"17\">as-built route records<\/text>\n <rect x=\"80\" y=\"950\" width=\"1740\" height=\"72\" rx=\"10\" fill=\"#081b24\" stroke=\"#315b6f\" stroke-width=\"2\"\/><text x=\"110\" y=\"994\" font-size=\"18\" fill=\"#ffaaa5\">15 \u00d7 D is a laying factor. It is not a continuous-flex, torsion, reeling, festoon or drag-chain rating.<\/text>\n<\/g><\/svg><\/div>\n<ol><li>Confirm the drum label, product reference, cable length, end seals, outside diameter, mass and current document revision before unloading.<\/li><li>Apply the supplied <code>15 (xD)<\/code> laying factor. The derived radii below are arithmetic checks from the supplied outside diameters; accessory instructions may require a larger radius.<\/li><li>Align the drum and pay off in the marked direction. Avoid reverse winding, flange impact, uncontrolled twist and local LSZH sheath abrasion.<\/li><li>Use controlled rollers and pulling equipment. Verify pulling load, sidewall pressure, armour exposure, entry geometry, support spacing and trench corners.<\/li><li>Maintain the copper screen, semiconducting interfaces, separation sheath and AWA geometry during preparation. Glands and terminations must be matched to the exact construction.<\/li><li>Bond screen and armour according to the earthing design. Record continuity, bonding arrangement, torque and test results at every intended section.<\/li><li>Before energisation, complete conductor resistance, screen \/ armour continuity, insulation and sheath tests, MV withstand or partial-discharge tests where specified, phase identification, accessory inspection, fire documentation and as-built records.<\/li><\/ol>\n<div class=\"scroll\"><table><thead><tr><th>Cross section<\/th><th>Derived laying calculation<\/th><th>Minimum laying radius<\/th><th>Mass conversion<\/th><th>Approx. mass per 100 m<\/th><\/tr><\/thead><tbody><tr><td>70 mm\u00b2<\/td><td>15 \u00d7 28.0 mm<\/td><td class=\"derived\">420.0 mm<\/td><td>1400 kg\/km \u00f7 10<\/td><td class=\"derived\">140.0 kg\/100 m<\/td><\/tr><tr><td>95 mm\u00b2<\/td><td>15 \u00d7 30.0 mm<\/td><td class=\"derived\">450.0 mm<\/td><td>1700 kg\/km \u00f7 10<\/td><td class=\"derived\">170.0 kg\/100 m<\/td><\/tr><tr><td>120 mm\u00b2<\/td><td>15 \u00d7 33.0 mm<\/td><td class=\"derived\">495.0 mm<\/td><td>2000 kg\/km \u00f7 10<\/td><td class=\"derived\">200.0 kg\/100 m<\/td><\/tr><tr><td>150 mm\u00b2<\/td><td>15 \u00d7 34.0 mm<\/td><td class=\"derived\">510.0 mm<\/td><td>2500 kg\/km \u00f7 10<\/td><td class=\"derived\">250.0 kg\/100 m<\/td><\/tr><tr><td>185 mm\u00b2<\/td><td>15 \u00d7 36.0 mm<\/td><td class=\"derived\">540.0 mm<\/td><td>2750 kg\/km \u00f7 10<\/td><td class=\"derived\">275.0 kg\/100 m<\/td><\/tr><tr><td>240 mm\u00b2<\/td><td>15 \u00d7 38.0 mm<\/td><td class=\"derived\">570.0 mm<\/td><td>3500 kg\/km \u00f7 10<\/td><td class=\"derived\">350.0 kg\/100 m<\/td><\/tr><tr><td>300 mm\u00b2<\/td><td>15 \u00d7 41.0 mm<\/td><td class=\"derived\">615.0 mm<\/td><td>4000 kg\/km \u00f7 10<\/td><td class=\"derived\">400.0 kg\/100 m<\/td><\/tr><tr><td>400 mm\u00b2<\/td><td>15 \u00d7 45.0 mm<\/td><td class=\"derived\">675.0 mm<\/td><td>5000 kg\/km \u00f7 10<\/td><td class=\"derived\">500.0 kg\/100 m<\/td><\/tr><tr><td>400 mm\u00b2<\/td><td>15 \u00d7 45.0 mm<\/td><td class=\"derived\">675.0 mm<\/td><td>5000 kg\/km \u00f7 10<\/td><td class=\"derived\">500.0 kg\/100 m<\/td><\/tr><tr><td>500 mm\u00b2<\/td><td>15 \u00d7 48.0 mm<\/td><td class=\"derived\">720.0 mm<\/td><td>6250 kg\/km \u00f7 10<\/td><td class=\"derived\">625.0 kg\/100 m<\/td><\/tr><tr><td>630 mm\u00b2<\/td><td>15 \u00d7 53.0 mm<\/td><td class=\"derived\">795.0 mm<\/td><td>7750 kg\/km \u00f7 10<\/td><td class=\"derived\">775.0 kg\/100 m<\/td><\/tr><\/tbody><\/table><\/div>\n<div class=\"warn\"><b>Movement boundary:<\/b> 15\u00d7D is a laying factor. It does not establish continuous-flex, torsion, reeling, festoon or drag-chain performance.<\/div>\n\n<h2>12. Selection comparison for engineers<\/h2>\n<div class=\"scroll\"><table><thead><tr><th>Requirement<\/th><th>CU\/XLPE\/CTS\/LSZH\/AWA\/LSZH reference<\/th><th>What must be verified<\/th><th>Engineering decision<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">Mechanically exposed fixed route<\/td><td>Single aluminium wire armour; source impact resistance for 1\u00d770 is Good.<\/td><td>Impact energy, compression, trench \/ duct entry, backfill, cleats, joints and accessory armour handling.<\/td><td class=\"source\">Strong candidate subject to mechanical design.<\/td><\/tr><tr><td class=\"key\">Single-core AC feeder<\/td><td>Copper conductor, copper screen and AWA construction.<\/td><td>Formation, induced currents, screen \/ armour bonding, losses, touch voltage and fault return path.<\/td><td class=\"source\">Suitable subject to system study.<\/td><\/tr><tr><td class=\"key\">Fire-sensitive route<\/td><td>Dca family title, LSZH \/ LSZH, IEC 60332-3 Cat. C, IEC 60754-1 \/ -2 and IEC 61034 listed.<\/td><td>Current size-specific DoP, grouping, fire stopping, supports, enclosure and local rules.<\/td><td class=\"source\">Use exact ordered-product evidence.<\/td><\/tr><tr><td class=\"key\">High-current feeder<\/td><td>70\u2013630 mm\u00b2 matrix with flat and trefoil ratings.<\/td><td>Ambient, soil, depth, spacing, grouping, duct thermal resistance, screen \/ armour losses and load profile.<\/td><td class=\"source\">Select after thermal and voltage-drop study.<\/td><\/tr><tr><td class=\"key\">Port shore-side fixed feeder<\/td><td>Application includes residential \/ industrial areas, underground and ducts with mechanical stresses.<\/td><td>Salt, flooding, UV, rodents, impact, vibration, fire compartments and maintenance access.<\/td><td class=\"source\">Confirm environmental design.<\/td><\/tr><tr><td class=\"key\">Reeling, festoon or drag chain<\/td><td>Not established by this fixed-installation reference.<\/td><td>Cycles, torsion, speed, acceleration, rollers, winding geometry and dynamic bend radius.<\/td><td class=\"warn\">Select a dedicated dynamic cable family.<\/td><\/tr><\/tbody><\/table><\/div>\n\n<h2>13. Failure mode and effects analysis<\/h2>\n<div class=\"grid\"><div class=\"warn\"><b>Armour damage:<\/b> impact or incorrect pulling damages AWA or outer LSZH; inspect before burial and define repair \/ rejection criteria.<\/div><div class=\"warn\"><b>Screen discontinuity:<\/b> copper screen continuity is lost at a joint or termination; fault-current path and electric-field control are compromised.<\/div><div class=\"warn\"><b>Bonding error:<\/b> screen and armour are bonded without a coordinated earthing study; induced currents, losses or touch voltage become unacceptable.<\/div><div class=\"warn\"><b>Wrong formation rating:<\/b> a buried trefoil value is used for flat formation, or a dash is interpreted as a zero or an estimate.<\/div><div class=\"warn\"><b>Radius violation:<\/b> a trench corner, roller or gland bends the cable below the 15\u00d7D laying factor.<\/div><div class=\"warn\"><b>Fire-class substitution:<\/b> the 1\u00d770 Dca-s2,d2,a2 declaration is copied to another size without a matching current DoP.<\/div><div class=\"warn\"><b>Document-year confusion:<\/b> the 2018 DoP and 2026 technical sheet are treated as one revision, hiding changes in product, declaration or test basis.<\/div><div class=\"warn\"><b>Dynamic misuse:<\/b> a fixed AWA cable is put into a reel, festoon or energy chain because aluminium armour appears robust.<\/div><\/div>\n\n<h2>14. 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 6.35\/11 kV AWA release<\/b><br>Confirm conductor area, DCR, outside diameter, mass, inductance, capacitance, flat \/ trefoil current ratings, conductor and screen fault duty, 15\u00d7D factor, impact performance, screen, armour, LSZH compounds and accessories.<\/div><div class=\"box\"><b>Certification is configuration-specific<\/b><br>Certification capability does not make every size automatically Dca, BS 7835, IECEx, ATEX, EAC or fire-certified. The exact cable construction, test report, declaration and market documentation must match.<\/div><div class=\"box\"><b>AWA system dossier<\/b><br>The controlled release should identify armour wire material and lay, separation sheath, armour bonding, screen fault path, impact \/ mechanical test basis, stripping dimensions and gland \/ termination compatibility.<\/div><div class=\"box\"><b>Feichun engineering value<\/b><br>Feichun can develop the CU\/XLPE\/CTS\/LSZH\/AWA\/LSZH architecture as a mechanically protected, low-smoke MV platform while adapting conductor, screen, armour, sheath and project testing to the actual route.<\/div><\/div>\n<div class=\"warn\"><b>Release condition:<\/b> this article does not invent a Feichun certificate number, notified body, armour test result, current DoP, drum dimension or product-specific BS 7835 declaration. Unstated Feichun values must be confirmed in the current controlled technical file.<\/div>\n\n<h2>15. Source map and data-status 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-CT31146.html\" target=\"_blank\" rel=\"nofollow noopener\">Nexans T\u00fcrkiye CU\/XLPE\/CTS\/LSZH\/AWA\/LSZH family page<\/a><\/td><td>Family title, 70\u2013630 mm\u00b2 product list, BS 7835, application, construction, 15\u00d7D factor and characteristics.<\/td><td>Manufacturer family reference; confirm current revision and ordered product.<\/td><\/tr><tr><td><a href=\"https:\/\/www.nexans.com.tr\/en\/products\/xlpe-insulated-medium-voltage\/copper-conductor\/CU-XLPE-CT31146\/product~10536095~.html\" target=\"_blank\" rel=\"nofollow noopener\">Nexans T\u00fcrkiye 1\u00d770 mm\u00b2 product page<\/a><\/td><td>Product reference 10536095, construction fields, impact resistance, dimensions, electrical values and usage characteristics.<\/td><td>Checked size-specific page; do not generalise all product-page fields without confirming each size.<\/td><\/tr><tr><td><a href=\"https:\/\/www.nexans.com.tr\/.rest\/catalog\/v1\/product\/pdf\/10536095\" target=\"_blank\" rel=\"nofollow noopener\">Nexans 1\u00d770 mm\u00b2 technical PDF<\/a><\/td><td>Original two-page source record, page-1 construction, page-2 characteristics, generated date and exact 1\u00d770 values.<\/td><td>Source PDF is size-specific; drawings, dimensions, weights and ratings are indicative until controlled release.<\/td><\/tr><tr><td><a href=\"https:\/\/www.nexans.com.tr\/.rest\/catalog\/v1\/product\/cpr\/10536095\" target=\"_blank\" rel=\"nofollow noopener\">Nexans 1\u00d770 mm\u00b2 Declaration of Performance<\/a><\/td><td>DoP 1000587-TRDE, date 5\/23\/18, Dca-s2,d2,a2, AVCP System 3, EN 50575:2014+A1:2016 and notified body 1008.<\/td><td>Product-specific 1\u00d770 evidence; not automatically applicable to every matrix row.<\/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\">BSI Knowledge \u2014 BS 7835<\/a><\/td><td>Standard title and publication \/ status context for the BS 7835 reference.<\/td><td>Confirm the project-adopted edition and contractual standard basis.<\/td><\/tr><tr><td><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/71892\" target=\"_blank\" rel=\"nofollow noopener\">IEC 60502-2 official publication record<\/a><\/td><td>Comparison boundary showing the related IEC MV cable standard; it is not silently substituted for BS 7835.<\/td><td>Use only if the project explicitly requires IEC 60502-2 conformity.<\/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>Category C vertical flame-spread test context.<\/td><td>Test reference; not itself a CPR Dca declaration.<\/td><\/tr><tr><td>User-supplied reference record<\/td><td>Complete 70\u2013630 mm\u00b2 matrix, source metadata, construction, operating temperatures and fire references reproduced in this article.<\/td><td>Preserved exactly where supplied; missing \/ 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\/AWA\/LSZH 6.35\/11 kV Dca release must be checked against the current product data sheet, DoP, fire-test report, BS 7835 basis, accessories, installation formation, earthing design, project fire strategy and local authority requirements.<\/div>\n<\/main>\n<footer><div class=\"wrap\"><h3>Feichun Cable \u2014 CU\/XLPE\/CTS\/LSZH\/AWA\/LSZH 6.35\/11 kV Dca 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, derived checks and Feichun project-confirmation values. Missing fields are not filled from another supplier or cable size.<\/p><div>FEICHUN-CU-XLPE-CTS-LSZH-AWA-LSZH-6-35-11KV-DCA-ENGINEERING-EN \u00b7 03 August 2026<\/div><\/div><\/footer>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"A full-English engineering guide to the single-core copper-conductor cable with XLPE insulation, copper metallic screen, LSZH separation sheath, single aluminium wire armour layer and LSZH outer sheath. The supplied source provides a complete 70\u2013630 mm\u00b2 matrix for fixed energy networks, underground routes, ducts and industrial areas where mechanical stresses are expected.","protected":false},"author":1,"featured_media":25211,"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":[66,56],"tags":[16,111,17],"class_list":["post-25210","post","type-post","status-publish","format-standard","has-post-thumbnail","category-common-problems-encountered-in-cable-applications","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\/25210","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=25210"}],"version-history":[{"count":2,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/25210\/revisions"}],"predecessor-version":[{"id":25214,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/25210\/revisions\/25214"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/25211"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=25210"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/categories?post=25210"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/tags?post=25210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}