LT-GUM-R-TFCRANE (N) TSCGEWOEU 3\u00d735 + 3\u00d725\/3 Reeling Cable | Feichun Engineering Guide<\/title><meta name=\"description\" content=\"English engineering guide to the VAHLE-marked LT-GUM-R-TFCRANE (N) TSCGEWOEU 3\u00d735 + 3\u00d725\/3 medium-voltage reeling cable, with official TFCrane voltage variants, construction, reel mechanics, current data and RFQ controls.\"><meta name=\"keywords\" content=\"LT-GUM-R-TFCRANE, VAHLE reeling cable, TSCGEWOEU 3x35 3x25\/3, TFCrane medium voltage cable, crane cable, port crane cable, mining reeling cable, Feichun Cable equivalent\"><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;--derived:#f6d98d;--tbc:#ffaaa5}\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,.18),transparent 34%),linear-gradient(135deg,#041018,#0b4056)}h1{font-size:48px;line-height:1.12;max-width:1650px}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:1600px}.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:1300px}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{color:var(--derived);font-weight:bold}td.tbc{color:var(--tbc);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}.svg-caption{font-size:13px;color:#91a9b4;margin:8px 2px 0}.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}.source-list li{margin:8px 0}blockquote{margin:22px 0;padding:20px 24px;background:#071821;border-left:7px solid var(--s);font-size:20px;color:#fff1c8}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><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"TechArticle\",\"headline\":\"LT-GUM-R-TFCRANE (N) TSCGEWOEU 3\u00d735 + 3\u00d725\/3 Reeling Cable Engineering Guide\",\"description\":\"Technical guide to a VAHLE-marked procurement string mapped against the public TFCrane R-(N)TSCGEW\u00d6U medium-voltage reeling-cable family.\",\"author\":{\"@type\":\"Organization\",\"name\":\"Feichun Cable\"},\"publisher\":{\"@type\":\"Organization\",\"name\":\"Feichun Cable\"}}<\/script><\/head><body><section class=\"hero\"><div class=\"wrap\"><div class=\"badges\"><span>FEICHUN CABLE<\/span><span>LT-GUM-R-TFCRANE<\/span><span>(N)TSCGEWOEU<\/span><span>3\u00d735 + 3\u00d725\/3<\/span><span>MV REELING CABLE<\/span><span>DIN VDE 0250-813 REFERENCE<\/span><span>VAHLE PROCUREMENT MARKING<\/span><\/div><h1>LT-GUM-R-TFCRANE (N) TSCGEWOEU 3X35 & 3X25\/3 REELING CABLE TFCRANE R MARK VAHLE \u2014 VAHLE marking, TFCrane reference and Feichun equivalent engineering guide<\/h1><p class=\"lead\">The supplied string combines a VAHLE procurement or marking reference with the TFCrane family name and the medium-voltage configuration <b>3\u00d735 + 3\u00d725\/3<\/b>. The current public TFCrane catalogue identifies the corresponding R-(N)TSCGEW\u00d6U family as a flexible medium-voltage reeling cable based on DIN VDE 0250-813, with four selectable voltage classes from 3.6\/6 kV to 12\/20 kV <a href=\"https:\/\/www.tele-fonika.com\/storage\/file\/core_files\/2026\/5\/8\/3da28f5d5563a779386974b20dab1511\/tfcrane-2026.pdf\" target=\"_blank\" rel=\"noopener\">[2]<\/a>. Because the user string does not state the voltage class, this guide preserves every published variant and makes the voltage selection a deliberate RFQ gate.<\/p><div class=\"meta\"><span>3\u00d735 + 3\u00d725\/3 configuration<\/span><span>3.6\/6 \u00b7 6\/10 \u00b7 8.7\/15 \u00b7 12\/20 kV options<\/span><span>Max. conductor: +90 \u00b0C<\/span><span>Short circuit: +250 \u00b0C<\/span><span>Speed: up to 180 m\/min<\/span><span>Twist: \u00b1100\u00b0\/m<\/span><span>Row force: 2100 N<\/span><span>Red 5GM5 sheath reference<\/span><\/div><\/div><\/section><main class=\"wrap\"><div class=\"cards\"><div class=\"card\"><div>Configuration<\/div><div class=\"value\">3\u00d735 + 3\u00d725\/3<\/div><div>Three 35 mm\u00b2 power cores plus a distributed earth-conductor arrangement.<\/div><\/div><div class=\"card\"><div>Voltage decision<\/div><div class=\"value\">4 options<\/div><div>3.6\/6, 6\/10, 8.7\/15 or 12\/20 kV; the supplied string does not choose one.<\/div><\/div><div class=\"card\"><div>Dynamic speed<\/div><div class=\"value\">180 m\/min<\/div><div>Public TFCrane family maximum; actual speed depends on the reel and duty cycle.<\/div><\/div><div class=\"card\"><div>Reference pull<\/div><div class=\"value\">2100 N<\/div><div>Catalogue row value for the 3\u00d735 + 3\u00d725\/3 size across the listed voltage variants.<\/div><\/div><\/div><div class=\"toc\"><h3>Contents<\/h3><ol><li>Engineering position<\/li><li>How to read the supplied designation<\/li><li>Standards and source hierarchy<\/li><li>Reference construction and load path<\/li><li>Voltage classes and electrical limits<\/li><li>Exact 3\u00d735 + 3\u00d725\/3 catalogue rows<\/li><li>Derived bending-radius and drum checks<\/li><li>Resistance and current-carrying data<\/li><li>Reeling mechanics and failure physics<\/li><li>Application scenarios<\/li><li>Installation and commissioning controls<\/li><li>Selection comparison<\/li><li>RFQ-ready specification<\/li><li>Feichun functional-equivalent manufacturing<\/li><li>Certification advantage<\/li><li>Source audit and release note<\/li><\/ol><\/div><h2>1. Engineering position: the cable, reel and termination are one moving circuit<\/h2><div class=\"note\"><b>This is not a fixed MV feeder with a flexible jacket.<\/b> The TFCrane family is designed for repeated winding and unwinding on monospiral or cylindrical reels under combined bending, tension and torsion. The official family page describes crane, port, mining and industrial material-handling use, while the current catalogue gives the more specific R-(N)TSCGEW\u00d6U construction and four medium-voltage classes <a href=\"https:\/\/www.tele-fonika.com\/en\/sales-sectors\/crane-cables\" target=\"_blank\" rel=\"noopener\">[1]<\/a> <a href=\"https:\/\/www.tele-fonika.com\/storage\/file\/core_files\/2026\/5\/8\/3da28f5d5563a779386974b20dab1511\/tfcrane-2026.pdf\" target=\"_blank\" rel=\"noopener\">[2]<\/a>. A successful equivalent therefore has to match the mechanical duty as carefully as it matches conductor area.<\/div><div class=\"grid\"><div class=\"box\"><b>Electrical duty<\/b><br>Carry a three-phase MV load through a flexible screened rubber construction, with the correct U\u2080\/U, U\u2098, test voltage, partial-discharge requirement, current and earth path.<\/div><div class=\"box\"><b>Mechanical duty<\/b><br>Repeatedly tolerate curvature, axial load, reel-layer contact, torsional displacement, guide contact and acceleration without transferring damaging stress into the cores.<\/div><div class=\"box\"><b>Environmental duty<\/b><br>Operate in wet or dry industrial conditions, open-cast or underground mining, ports and other locations where abrasion, impact, oil, UV and ozone exposure can be part of the service envelope.<\/div><div class=\"box\"><b>Interface duty<\/b><br>Terminate the cable with a system that respects the screened core construction, earth arrangement, bending radius, strain relief and the selected MV accessories.<\/div><\/div><div class=\"warn\"><b>Voltage first:<\/b> do not quote \u201cTSCGEWOEU 3\u00d735 + 3\u00d725\/3\u201d as a complete part number until the project confirms 3.6\/6, 6\/10, 8.7\/15 or 12\/20 kV. The outer diameter, weight, test voltage, insulation wall and accessory system change with the voltage class.<\/div><h2>2. How to read the supplied designation without inventing a manufacturer relationship<\/h2><div class=\"scroll\"><table><thead><tr><th>Supplied field<\/th><th>Engineering reading<\/th><th>What must be confirmed<\/th><th>Status<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">LT-GUM-R-TFCRANE<\/td><td>A purchaser or system-integrator reference string. VAHLE appears in the supplied marking context; it is not itself a DIN or IEC cable designation.<\/td><td>Exact VAHLE part number, controlled drawing, manufacturer of the original cable and catalogue revision.<\/td><td class=\"source\">User-supplied procurement text<\/td><\/tr><tr><td class=\"key\">(N) TSCGEWOEU<\/td><td>ASCII form of the public TFCrane R-(N)TSCGEW\u00d6U medium-voltage flexible reeling family. The public catalogue states a DIN VDE 0250-813 basis.<\/td><td>Exact R\/(N) variant, sheath compound, screen arrangement and voltage row. Do not decode every letter as a certificate.<\/td><td class=\"source\">Public family mapping<\/td><\/tr><tr><td class=\"key\">3X35 & 3X25\/3<\/td><td>Normalized for engineering as 3\u00d735 + 3\u00d725\/3: three 35 mm\u00b2 power cores and a split earth-conductor arrangement represented by the catalogue notation.<\/td><td>Final PE total cross-section, number of earth sections, termination arrangement and marking.<\/td><td class=\"source\">Configuration field<\/td><\/tr><tr><td class=\"key\">REELING CABLE<\/td><td>Repeated winding\/unwinding and guided travel, not merely occasional installation bending.<\/td><td>Reel type, barrel diameter, number of layers, speed, acceleration, travel length, cycles and guide layout.<\/td><td class=\"source\">Application field<\/td><\/tr><tr><td class=\"key\">TFCRANE R MARK VAHLE<\/td><td>A marking or procurement phrase that helps locate the installed product.<\/td><td>Whether \u201cR\u201d is a manufacturer suffix, reel-system designation or a shortened marking. Keep it for traceability; do not treat it as a universal performance class.<\/td><td class=\"tbc\">Open identification item<\/td><\/tr><\/tbody><\/table><\/div><div class=\"note\"><b>Practical search convention:<\/b> keep the purchaser\u2019s raw wording in the RFQ subject line, then add the normalized engineering string <code>R-(N)TSCGEW\u00d6U 3\u00d735 + 3\u00d725\/3<\/code>, the selected voltage, the reel type and the original part number. This preserves searchability without hiding the fields that actually determine interchangeability.<\/div><h2>3. Standards and source hierarchy<\/h2><div class=\"scroll\"><table><thead><tr><th>Reference<\/th><th>Role<\/th><th>What it supports here<\/th><th>Boundary<\/th><\/tr><\/thead><tbody><tr><td class=\"key\"><a href=\"https:\/\/www.tele-fonika.com\/en\/sales-sectors\/crane-cables\" target=\"_blank\" rel=\"noopener\">Tele-Fonika \/ TFKable crane-cable page<\/a><\/td><td>Official product-family context.<\/td><td>TFCrane is presented for cranes, hoists, ports, shipyards, material handling and high mechanical loads; the page also describes testing on monospiral, festoon and drag-chain equipment.<\/td><td>The page is a family overview, not the exact 3\u00d735 voltage-row drawing.<\/td><\/tr><tr><td class=\"key\"><a href=\"https:\/\/www.tele-fonika.com\/storage\/file\/core_files\/2026\/5\/8\/3da28f5d5563a779386974b20dab1511\/tfcrane-2026.pdf\" target=\"_blank\" rel=\"noopener\">TFCrane Edition VII catalogue, 2026<\/a><\/td><td>Primary public source for this article\u2019s exact TSCGEWOEU row.<\/td><td>Pages 32\u201335 describe R-(N)TSCGEW\u00d6U; the row table gives the four voltage variants, OD, mass and 2100 N row force; pages 108\u2013111 give resistance and current reference tables.<\/td><td>The catalogue itself says data are illustrative and not a commercial offer; the controlled purchase document governs.<\/td><\/tr><tr><td class=\"key\"><a href=\"https:\/\/www.vahle.com\/en\/download\" target=\"_blank\" rel=\"noopener\">VAHLE download centre<\/a><\/td><td>System-integrator context for the VAHLE marking supplied by the purchaser.<\/td><td>Useful for identifying the original reel or handling-system document that should accompany the RFQ.<\/td><td>No exact target-cable dimensions are assigned from a generic VAHLE system page.<\/td><\/tr><tr><td class=\"key\"><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/71891\" target=\"_blank\" rel=\"noopener\">IEC 60228<\/a><\/td><td>Conductor standard context.<\/td><td>The TFCrane catalogue specifies flexible class 5 tinned or bare copper conductors to IEC 60228.<\/td><td>A standard reference does not replace the actual conductor resistance and construction certificate.<\/td><\/tr><tr><td class=\"key\"><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/80873\" target=\"_blank\" rel=\"noopener\">IEC 60332-1-2:2025<\/a><\/td><td>Fire-test method context.<\/td><td>The IEC page defines a 1 kW pre-mixed flame test for a single vertical insulated wire or cable.<\/td><td>A single-cable flame test is not a grouped-cable CPR class or a complete fire dossier.<\/td><\/tr><tr><td class=\"key\">DIN VDE 0250-813 \/ DIN VDE 0298-3 \/ DIN VDE 0298-4<\/td><td>The catalogue\u2019s design and installation framework.<\/td><td>0250-813 is the stated MV reeling-cable basis; 0298-3 is used for bending-radius factors; 0298-4 is used for current-carrying capacity.<\/td><td>Adopt the edition and project rules required by the end user, authority and contract.<\/td><\/tr><\/tbody><\/table><\/div><div class=\"warn\"><b>Source discipline:<\/b> the exact numeric data in this guide are mapped to the 2026 TFCrane public catalogue. They are not presented as a VAHLE certificate, a Feichun certificate or a legal declaration of interchangeability.<\/div><h2>4. Reference construction and load path<\/h2><div class=\"svg\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"1900\" height=\"1260\" viewBox=\"0 0 1900 1260\" role=\"img\" aria-label=\"TFCrane R-N TSCGEWOEU 3 by 35 plus 3 by 25 slash 3 medium-voltage reeling cable cross-section schematic\">\n<defs>\n <radialGradient id=\"mv-jacket\" cx=\"25%\" cy=\"20%\"><stop stop-color=\"#8e3e43\"\/><stop offset=\".68\" stop-color=\"#4d1f2a\"\/><stop offset=\"1\" stop-color=\"#1d1019\"\/><\/radialGradient>\n <radialGradient id=\"mv-inner\" cx=\"25%\" cy=\"20%\"><stop stop-color=\"#a85554\"\/><stop offset=\".72\" stop-color=\"#5f2a32\"\/><stop offset=\"1\" stop-color=\"#2d1722\"\/><\/radialGradient>\n <radialGradient id=\"mv-ins\" cx=\"25%\" cy=\"20%\"><stop stop-color=\"#eef8ee\"\/><stop offset=\".7\" stop-color=\"#a9c8ae\"\/><stop offset=\"1\" stop-color=\"#5e806b\"\/><\/radialGradient>\n <radialGradient id=\"mv-cu\" cx=\"24%\" cy=\"20%\"><stop stop-color=\"#f9d99d\"\/><stop offset=\".65\" stop-color=\"#bd7138\"\/><stop offset=\"1\" stop-color=\"#6b311c\"\/><\/radialGradient>\n <radialGradient id=\"mv-earth\" cx=\"24%\" cy=\"20%\"><stop stop-color=\"#ecf0ba\"\/><stop offset=\".62\" stop-color=\"#9e9d42\"\/><stop offset=\"1\" stop-color=\"#4b5424\"\/><\/radialGradient>\n <pattern id=\"mv-braid\" width=\"30\" height=\"30\" patternUnits=\"userSpaceOnUse\"><path d=\"M-8 8 L22 38 M8-8 L38 22\" stroke=\"#f1cf7b\" stroke-width=\"6\"\/><path d=\"M-8 22 L22-8 M8 38 L38 8\" stroke=\"#719da0\" stroke-width=\"4\"\/><\/pattern>\n <pattern id=\"mv-strand\" width=\"16\" height=\"16\" patternUnits=\"userSpaceOnUse\"><circle cx=\"4\" cy=\"4\" r=\"3.2\" fill=\"#ffd99b\"\/><circle cx=\"12\" cy=\"4\" r=\"3.2\" fill=\"#9d4826\"\/><circle cx=\"8\" cy=\"12\" r=\"3.2\" fill=\"#d47a3e\"\/><\/pattern>\n <pattern id=\"mv-earth-strand\" width=\"14\" height=\"14\" patternUnits=\"userSpaceOnUse\"><circle cx=\"4\" cy=\"4\" r=\"2.8\" fill=\"#f0efaf\"\/><circle cx=\"10\" cy=\"10\" r=\"2.8\" fill=\"#707521\"\/><\/pattern>\n <marker id=\"mv-arrow\" markerWidth=\"12\" markerHeight=\"12\" refX=\"10\" refY=\"4\" orient=\"auto\"><path d=\"M0 0 L12 4 L0 8 Z\" fill=\"#d9edf0\"\/><\/marker>\n<\/defs>\n<rect width=\"1900\" height=\"1260\" fill=\"#06131b\"\/>\n<text x=\"60\" y=\"62\" fill=\"#55dff7\" font-family=\"Arial\" font-size=\"36\" font-weight=\"700\">TFCrane R-(N)TSCGEW\u00d6U \u2014 3\u00d735 + 3\u00d725\/3 MV reeling architecture<\/text>\n<text x=\"60\" y=\"103\" fill=\"#adc4ce\" font-family=\"Arial\" font-size=\"18\">Reference construction: three 35 mm\u00b2 power cores \u00b7 distributed 3\u00d725\/3 earth conductor arrangement \u00b7 rubber insulation \u00b7 red inner and outer sheath system \u00b7 anti-torsion braid.<\/text>\n<text x=\"60\" y=\"139\" fill=\"#ffaaa5\" font-family=\"Arial\" font-size=\"16\">Schematic only \u2014 not to scale and not a manufacturing drawing. Confirm the released Feichun cross-section, PE termination and layer dimensions before production.<\/text>\n<g transform=\"translate(620 690)\">\n <circle r=\"475\" fill=\"url(#mv-jacket)\" stroke=\"#e26b75\" stroke-width=\"16\"\/>\n <circle r=\"425\" fill=\"url(#mv-braid)\" stroke=\"#f1cf7b\" stroke-width=\"13\" stroke-dasharray=\"18 9\"\/>\n <circle r=\"390\" fill=\"url(#mv-inner)\" stroke=\"#f2a19b\" stroke-width=\"9\"\/>\n <circle r=\"344\" fill=\"#351d27\" stroke=\"#b96f70\" stroke-width=\"8\" stroke-dasharray=\"9 12\"\/>\n <g stroke=\"#e9f3ef\" stroke-width=\"6\">\n <circle cx=\"0\" cy=\"-148\" r=\"130\" fill=\"url(#mv-ins)\"\/><circle cx=\"0\" cy=\"-148\" r=\"80\" fill=\"url(#mv-cu)\"\/><circle cx=\"0\" cy=\"-148\" r=\"53\" fill=\"url(#mv-strand)\"\/>\n <circle cx=\"128\" cy=\"74\" r=\"130\" fill=\"url(#mv-ins)\"\/><circle cx=\"128\" cy=\"74\" r=\"80\" fill=\"url(#mv-cu)\"\/><circle cx=\"128\" cy=\"74\" r=\"53\" fill=\"url(#mv-strand)\"\/>\n <circle cx=\"-128\" cy=\"74\" r=\"130\" fill=\"url(#mv-ins)\"\/><circle cx=\"-128\" cy=\"74\" r=\"80\" fill=\"url(#mv-cu)\"\/><circle cx=\"-128\" cy=\"74\" r=\"53\" fill=\"url(#mv-strand)\"\/>\n <circle cx=\"0\" cy=\"0\" r=\"62\" fill=\"#5c3038\" stroke=\"#f1cf7b\" stroke-width=\"5\"\/>\n <circle cx=\"-190\" cy=\"-102\" r=\"45\" fill=\"url(#mv-earth)\"\/><circle cx=\"190\" cy=\"-102\" r=\"45\" fill=\"url(#mv-earth)\"\/><circle cx=\"0\" cy=\"205\" r=\"45\" fill=\"url(#mv-earth)\"\/>\n <circle cx=\"-190\" cy=\"-102\" r=\"27\" fill=\"url(#mv-earth-strand)\"\/><circle cx=\"190\" cy=\"-102\" r=\"27\" fill=\"url(#mv-earth-strand)\"\/><circle cx=\"0\" cy=\"205\" r=\"27\" fill=\"url(#mv-earth-strand)\"\/>\n <\/g>\n <text x=\"-28\" y=\"-141\" fill=\"#101f1e\" font-family=\"Arial\" font-size=\"24\" font-weight=\"700\">P1<\/text><text x=\"101\" y=\"81\" fill=\"#101f1e\" font-family=\"Arial\" font-size=\"24\" font-weight=\"700\">P2<\/text><text x=\"-155\" y=\"81\" fill=\"#101f1e\" font-family=\"Arial\" font-size=\"24\" font-weight=\"700\">P3<\/text>\n <text x=\"-208\" y=\"-96\" fill=\"#172017\" font-family=\"Arial\" font-size=\"17\" font-weight=\"700\">E<\/text><text x=\"173\" y=\"-96\" fill=\"#172017\" font-family=\"Arial\" font-size=\"17\" font-weight=\"700\">E<\/text><text x=\"-7\" y=\"211\" fill=\"#172017\" font-family=\"Arial\" font-size=\"17\" font-weight=\"700\">E<\/text>\n<\/g>\n<g font-family=\"Arial\" fill=\"#eaf6f8\">\n <line x1=\"1010\" y1=\"285\" x2=\"1395\" y2=\"180\" stroke=\"#d9edf0\" stroke-width=\"3\" marker-end=\"url(#mv-arrow)\"\/><text x=\"1420\" y=\"176\" font-size=\"24\" font-weight=\"700\" fill=\"#f08b8d\">1. 5GM5 outer sheath \u2014 red reference<\/text><text x=\"1420\" y=\"208\" font-size=\"17\">Special synthetic thermosetting compound; designed for tear, impact and abrasion resistance.<\/text>\n <line x1=\"995\" y1=\"410\" x2=\"1395\" y2=\"340\" stroke=\"#d9edf0\" stroke-width=\"3\" marker-end=\"url(#mv-arrow)\"\/><text x=\"1420\" y=\"336\" font-size=\"24\" font-weight=\"700\" fill=\"#f1cf7b\">2. Polyamide anti-torsion braid<\/text><text x=\"1420\" y=\"368\" font-size=\"17\">The embedded braid distributes mechanical stress; it is not metallic armour.<\/text>\n <line x1=\"975\" y1=\"540\" x2=\"1395\" y2=\"505\" stroke=\"#d9edf0\" stroke-width=\"3\" marker-end=\"url(#mv-arrow)\"\/><text x=\"1420\" y=\"501\" font-size=\"24\" font-weight=\"700\" fill=\"#efaaa3\">3. 5GM3 inner sheath \u2014 red reference<\/text><text x=\"1420\" y=\"533\" font-size=\"17\">Supports the laid-up cores and stabilises the dynamic cable geometry.<\/text>\n <line x1=\"930\" y1=\"675\" x2=\"1395\" y2=\"675\" stroke=\"#d9edf0\" stroke-width=\"3\" marker-end=\"url(#mv-arrow)\"\/><text x=\"1420\" y=\"671\" font-size=\"24\" font-weight=\"700\" fill=\"#b8d9ba\">4. Semi-conductive screen and rubber insulation<\/text><text x=\"1420\" y=\"703\" font-size=\"17\">Power cores use screened rubber insulation; exact compound and thickness are release-controlled.<\/text>\n <line x1=\"460\" y1=\"820\" x2=\"70\" y2=\"955\" stroke=\"#d9edf0\" stroke-width=\"3\" marker-end=\"url(#mv-arrow)\"\/><text x=\"70\" y=\"900\" font-size=\"24\" font-weight=\"700\" fill=\"#f1c37c\">5. Three 35 mm\u00b2 flexible power cores<\/text><text x=\"70\" y=\"932\" font-size=\"17\">Public catalogue: class 5 annealed tinned or bare copper to IEC 60228.<\/text>\n <line x1=\"545\" y1=\"825\" x2=\"70\" y2=\"1115\" stroke=\"#d9edf0\" stroke-width=\"3\" marker-end=\"url(#mv-arrow)\"\/><text x=\"70\" y=\"1065\" font-size=\"24\" font-weight=\"700\" fill=\"#e4e58f\">6. 3\u00d725\/3 earth sections<\/text><text x=\"70\" y=\"1097\" font-size=\"17\">The notation means a split earth-conductor arrangement; do not treat it as three independent 25 mm\u00b2 PE cores.<\/text>\n <rect x=\"1130\" y=\"900\" width=\"650\" height=\"135\" rx=\"12\" fill=\"#081b24\" stroke=\"#315b6f\" stroke-width=\"2\"\/><text x=\"1160\" y=\"938\" font-size=\"18\" fill=\"#55dff7\">Data boundary:<\/text><text x=\"1160\" y=\"970\" font-size=\"17\">The catalogue describes the family architecture.<\/text><text x=\"1160\" y=\"998\" font-size=\"17\">VAHLE marking, final PE geometry and Feichun layer sizes need<\/text><text x=\"1160\" y=\"1025\" font-size=\"17\">a controlled drawing and project release.<\/text>\n <text x=\"1130\" y=\"1140\" font-size=\"19\" font-weight=\"700\" fill=\"#ffaaa5\">Not to scale \u00b7 use the released Feichun construction drawing for manufacture.<\/text>\n<\/g><\/svg><p class=\"svg-caption\">Figure 1 \u2014 Reference TFCrane R-(N)TSCGEW\u00d6U construction for the 3\u00d735 + 3\u00d725\/3 configuration. The illustration makes the load path visible; it does not establish Feichun layer thicknesses or the final termination geometry.<\/p><\/div><div class=\"scroll\"><table><thead><tr><th>Layer \/ feature<\/th><th>Public catalogue description<\/th><th>Engineering purpose<\/th><th>Evidence status<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">Conductors<\/td><td>Flexible stranded annealed tin-coated or bare copper, class 5 to IEC 60228.<\/td><td>Fine stranding accommodates cyclic curvature; tinned copper can be selected where the project requires additional surface protection.<\/td><td class=\"source\">Public TFCrane reference<\/td><\/tr><tr><td class=\"key\">Semi-conductive separators<\/td><td>Tape between power conductor and insulation, and between earth conductor and semi-conductive layer.<\/td><td>Controls interfaces and supports a stable screened MV core system during repeated movement.<\/td><td class=\"source\">Public TFCrane reference<\/td><\/tr><tr><td class=\"key\">Conductor screen<\/td><td>Special semi-conductive rubber layer developed for the family.<\/td><td>Provides a controlled electrical field transition at the conductor\/insulation boundary.<\/td><td class=\"source\">Public TFCrane reference<\/td><\/tr><tr><td class=\"key\">Insulation screen<\/td><td>Special strippable semi-conductive layer over the power-core insulation; catalogue maximum resistivity is stated as 200 \u03a9\u00b7m.<\/td><td>Allows a controlled screen interface at MV terminations; stripping practice must follow the accessory manufacturer\u2019s instructions.<\/td><td class=\"source\">Public TFCrane reference<\/td><\/tr><tr><td class=\"key\">Insulation<\/td><td>Rubber insulation; exact family pages describe a special compound and the R-(N)TSCGEW\u00d6U construction uses screened rubber power cores.<\/td><td>Provides dielectric strength and repeated-flex fatigue resistance. The exact compound and wall thickness follow the voltage release.<\/td><td class=\"tbc\">Public family \/ project confirmation<\/td><\/tr><tr><td class=\"key\">Earth conductor<\/td><td>Tin-coated or bare copper class 5 conductor with extruded special semi-conductive rubber compound; the earth conductor is split into three parts in the laid-up arrangement.<\/td><td>Provides the protective\/fault-current path while allowing a round flexible construction.<\/td><td class=\"source\">Public TFCrane reference<\/td><\/tr><tr><td class=\"key\">Core arrangement<\/td><td>Power cores and earth conductor split into three parts laid up around a conductive centre filler; anti-adhesion graphite over the assembled cores.<\/td><td>Controls pressure, relative movement and friction inside the cable during reel cycles.<\/td><td class=\"source\">Public TFCrane reference<\/td><\/tr><tr><td class=\"key\">Inner sheath<\/td><td>Special synthetic thermosetting compound type 5GM3 to DIN VDE 0207\/21; red reference colour.<\/td><td>Creates the supporting body around the core bundle before reinforcement.<\/td><td class=\"source\">Public TFCrane reference<\/td><\/tr><tr><td class=\"key\">Anti-torsion braid<\/td><td>Braid of polyamide threads between the internal and outer sheath layers.<\/td><td>Shares torsional and tensile stress through the sheath system. It is not metallic armour.<\/td><td class=\"source\">Public TFCrane reference<\/td><\/tr><tr><td class=\"key\">Outer sheath<\/td><td>Special synthetic thermosetting compound, 5GM5 quality to DIN VDE 0207\/21; red reference colour.<\/td><td>External wear surface for reel contact, impact, tear and abrasion duty.<\/td><td class=\"source\">Public TFCrane reference<\/td><\/tr><\/tbody><\/table><\/div><div class=\"grid\"><div class=\"box\"><b>Why the screen matters<\/b><br>At MV, the termination cannot be handled like a low-voltage rubber cable. Screen cutback, stress control, earth continuity and accessory compatibility must be released with the cable.<\/div><div class=\"box\"><b>Why the braid matters<\/b><br>The braid helps distribute mechanical stress, but it does not make the cable a lifting sling. A reel must be designed so the intended force path remains inside the approved limit.<\/div><div class=\"box\"><b>Why 3\u00d725\/3 needs care<\/b><br>The notation is an arrangement description. The three earth sections are not automatically three separate 25 mm\u00b2 protective conductors; confirm the total copper area and termination connection.<\/div><div class=\"box\"><b>Why color is not proof<\/b><br>Red is the public TFCrane reference jacket colour. Feichun can use a project colour, but the marking, certificate and released drawing must identify the actual product.<\/div><\/div><h2>5. Voltage classes and electrical limits<\/h2><p>The public R-(N)TSCGEW\u00d6U table contains four electrical classes. The supplied VAHLE\/TFCrane string does not identify the class, so all four are shown rather than silently selecting 6\/10 kV.<\/p><div class=\"scroll\"><table><thead><tr><th>Rated voltage U\u2080\/U<\/th><th>Maximum system voltage U\u2098<\/th><th>AC test voltage<\/th><th>Partial discharge<\/th><th>Max. conductor in service<\/th><th>Short-circuit conductor<\/th><th>Fixed ambient<\/th><th>Mobile ambient<\/th><th>Family speed \/ twist<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">3.6\/6 kV<\/td><td>7.2 kV<\/td><td>11 kV<\/td><td>1.25U\u2080 \/ max. 20 pC<\/td><td>+90 \u00b0C<\/td><td>+250 \u00b0C<\/td><td>\u221240 \u00b0C<\/td><td>\u221225 \u00b0C<\/td><td>\u2264180 m\/min \/ \u00b1100\u00b0\/m<\/td><\/tr><tr><td class=\"key\">6\/10 kV<\/td><td>12 kV<\/td><td>17 kV<\/td><td>1.25U\u2080 \/ max. 20 pC<\/td><td>+90 \u00b0C<\/td><td>+250 \u00b0C<\/td><td>\u221240 \u00b0C<\/td><td>\u221225 \u00b0C<\/td><td>\u2264180 m\/min \/ \u00b1100\u00b0\/m<\/td><\/tr><tr><td class=\"key\">8.7\/15 kV<\/td><td>18 kV<\/td><td>24 kV<\/td><td>1.25U\u2080 \/ max. 20 pC<\/td><td>+90 \u00b0C<\/td><td>+250 \u00b0C<\/td><td>\u221240 \u00b0C<\/td><td>\u221225 \u00b0C<\/td><td>\u2264180 m\/min \/ \u00b1100\u00b0\/m<\/td><\/tr><tr><td class=\"key\">12\/20 kV<\/td><td>24 kV<\/td><td>29 kV<\/td><td>1.25U\u2080 \/ max. 20 pC<\/td><td>+90 \u00b0C<\/td><td>+250 \u00b0C<\/td><td>\u221240 \u00b0C<\/td><td>\u221225 \u00b0C<\/td><td>\u2264180 m\/min \/ \u00b1100\u00b0\/m<\/td><\/tr><\/tbody><\/table><\/div><div class=\"formula\">Voltage selection check\nU\u2080\/U is selected from the system insulation requirement, not from cable diameter alone.\nU\u2098 must be equal to or greater than the network maximum operating voltage.\nAC test and partial-discharge requirements must be compatible with the released cable and MV accessories.\nFor a 12\/20 kV order, for example, the public family row calls for U\u2098 = 24 kV and an AC test voltage of 29 kV; this does not authorize applying those values to a 6\/10 kV cable.<\/div><div class=\"warn\"><b>Important boundary:<\/b> the public catalogue lists the R-(N)TSCGEW\u00d6U family from 3.6\/6 to 12\/20 kV. If the original VAHLE document specifies another voltage, a different screen construction, or an integrated optical element, request the original controlled datasheet before treating this article as a substitute.<\/div><h2>6. Exact 3\u00d735 + 3\u00d725\/3 catalogue rows<\/h2><p>These are the four exact size rows visible in the current public TFCrane catalogue. The supplier table labels the values as approximate for diameter and weight; use the released manufacturing drawing for final drum and termination calculations.<\/p><div class=\"scroll\"><table><thead><tr><th>Voltage variant<\/th><th>Conductor diameter (mm)<\/th><th>Approx. overall diameter (mm)<\/th><th>Approx. weight (kg\/km)<\/th><th>Max. tensile load (N)<\/th><th>Derived mass (kg\/m)<\/th><th>Engineering use<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">3.6\/6 kV<\/td><td>7.8<\/td><td>42.5<\/td><td>2881<\/td><td>2100<\/td><td class=\"derived\">2.881<\/td><td>Lowest voltage \/ smallest reference OD<\/td><\/tr><tr><td class=\"key\">6\/10 kV<\/td><td>7.8<\/td><td>44.2<\/td><td>3041<\/td><td>2100<\/td><td class=\"derived\">3.041<\/td><td>Common crane-network MV option<\/td><\/tr><tr><td class=\"key\">8.7\/15 kV<\/td><td>7.8<\/td><td>47.7<\/td><td>3378<\/td><td>2100<\/td><td class=\"derived\">3.378<\/td><td>Higher insulation wall \/ larger OD<\/td><\/tr><tr><td class=\"key\">12\/20 kV<\/td><td>7.8<\/td><td>52.5<\/td><td>3912<\/td><td>2100<\/td><td class=\"derived\">3.912<\/td><td>Highest listed voltage option<\/td><\/tr><\/tbody><\/table><\/div><div class=\"note\"><b>Catalogue traceability:<\/b> the exact source row is written as <code>3x35+3x25\/3<\/code>. The public catalogue also states standard cable packing of 500 m on drums, with other packing and delivery available on request. Packing length is a logistics field, not a guarantee that the installed reel can hold 500 m.<\/div><div class=\"scroll\"><table><thead><tr><th>Value type<\/th><th>Example<\/th><th>How to use it<\/th><\/tr><\/thead><tbody><tr><td class=\"source\">Source value<\/td><td>12\/20 kV row: OD 52.5 mm, mass 3912 kg\/km, maximum tensile load 2100 N.<\/td><td>Use as a catalogue screening input and check against the controlled Feichun drawing.<\/td><\/tr><tr><td class=\"derived\">Derived value<\/td><td>3912 kg\/km \u00f7 1000 = 3.912 kg\/m.<\/td><td>Useful for preliminary reel, support and acceleration calculations; do not treat it as a guaranteed delivered mass.<\/td><\/tr><tr><td class=\"tbc\">Project value<\/td><td>Actual jacket OD, reel barrel, start\/stop acceleration and termination pull.<\/td><td>Must be released by the project before the equivalent is manufactured.<\/td><\/tr><\/tbody><\/table><\/div><h2>7. Derived bending-radius and drum checks<\/h2><div class=\"svg\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"1900\" height=\"1100\" viewBox=\"0 0 1900 1100\" role=\"img\" aria-label=\"Medium-voltage TFCrane reeling cable path with monospiral reel, bend radius, speed, torsion and tensile controls\">\n<defs>\n <linearGradient id=\"mv-metal\" x1=\"0\" x2=\"1\"><stop stop-color=\"#44232c\"\/><stop offset=\".5\" stop-color=\"#b77e82\"\/><stop offset=\"1\" stop-color=\"#3d1d27\"\/><\/linearGradient>\n <marker id=\"mv-reel-arrow\" markerWidth=\"12\" markerHeight=\"12\" refX=\"10\" refY=\"4\" orient=\"auto\"><path d=\"M0 0 L12 4 L0 8 Z\" fill=\"#d9edf0\"\/><\/marker>\n <marker id=\"mv-force-arrow\" markerWidth=\"12\" markerHeight=\"12\" refX=\"10\" refY=\"4\" orient=\"auto\"><path d=\"M0 0 L12 4 L0 8 Z\" fill=\"#ff9297\"\/><\/marker>\n<\/defs>\n<rect width=\"1900\" height=\"1100\" fill=\"#06131b\"\/>\n<text x=\"60\" y=\"65\" fill=\"#55dff7\" font-family=\"Arial\" font-size=\"36\" font-weight=\"700\">TFCrane MV reeling \u2014 the cable and reel must be released as one system<\/text>\n<text x=\"60\" y=\"105\" fill=\"#adc4ce\" font-family=\"Arial\" font-size=\"18\">Public family gates: fixed 6\u00d7D \u00b7 drum 12\u00d7D \u00b7 deflection pulley 15\u00d7D \u00b7 freely moving 10\u00d7D \u00b7 twist \u00b1100\u00b0\/m \u00b7 speed up to 180 m\/min.<\/text>\n<g font-family=\"Arial\" fill=\"#eaf6f8\">\n <rect x=\"70\" y=\"245\" width=\"360\" height=\"620\" rx=\"18\" fill=\"#0b222d\" stroke=\"#e26b75\" stroke-width=\"4\"\/>\n <circle cx=\"250\" cy=\"560\" r=\"195\" fill=\"url(#mv-metal)\" stroke=\"#f0c2c1\" stroke-width=\"11\"\/><circle cx=\"250\" cy=\"560\" r=\"62\" fill=\"#091b24\" stroke=\"#f1cf7b\" stroke-width=\"12\"\/><circle cx=\"250\" cy=\"560\" r=\"132\" fill=\"none\" stroke=\"#f1cf7b\" stroke-width=\"18\" stroke-dasharray=\"25 16\"\/><path d=\"M250 365 V755 M55 560 H445\" stroke=\"#e4b4b6\" stroke-width=\"8\" opacity=\".7\"\/>\n <text x=\"135\" y=\"345\" font-size=\"25\" font-weight=\"700\" fill=\"#f08b8d\">Motorised reel<\/text><text x=\"105\" y=\"790\" font-size=\"18\">controlled pay-out \/ take-up<\/text><text x=\"92\" y=\"823\" font-size=\"18\">no crossover, pinch or twist lock<\/text>\n <path d=\"M445 560 C575 560 590 330 770 330 S1000 560 1120 560\" fill=\"none\" stroke=\"#110d12\" stroke-width=\"82\"\/><path d=\"M445 560 C575 560 590 330 770 330 S1000 560 1120 560\" fill=\"none\" stroke=\"#934b53\" stroke-width=\"56\"\/><path d=\"M445 560 C575 560 590 330 770 330 S1000 560 1120 560\" fill=\"none\" stroke=\"#f0a8a8\" stroke-width=\"6\"\/>\n <path d=\"M570 560 A225 225 0 0 1 770 345\" fill=\"none\" stroke=\"#ffaaa5\" stroke-width=\"4\" stroke-dasharray=\"13 10\"\/><text x=\"520\" y=\"755\" font-size=\"22\" fill=\"#ffaaa5\">Apply the correct k\u00d7D<\/text><text x=\"520\" y=\"787\" font-size=\"17\">D is the released maximum OD, not a nominal guess.<\/text>\n <path d=\"M460 190 H1040\" stroke=\"#d9edf0\" stroke-width=\"4\" marker-end=\"url(#mv-reel-arrow)\"\/><text x=\"630\" y=\"162\" font-size=\"21\" fill=\"#d9edf0\">reeling direction \/ travel<\/text>\n <rect x=\"1140\" y=\"245\" width=\"330\" height=\"620\" rx=\"18\" fill=\"#0b222d\" stroke=\"#f1cf7b\" stroke-width=\"4\"\/><text x=\"1200\" y=\"315\" font-size=\"25\" font-weight=\"700\" fill=\"#f1cf7b\">Mechanical gates<\/text><text x=\"1185\" y=\"380\" font-size=\"19\">fixed: 6\u00d7D<\/text><text x=\"1185\" y=\"420\" font-size=\"19\">on drums: 12\u00d7D<\/text><text x=\"1185\" y=\"460\" font-size=\"19\">deflection pulley: 15\u00d7D<\/text><text x=\"1185\" y=\"500\" font-size=\"19\">moving freely: 10\u00d7D<\/text><text x=\"1185\" y=\"560\" font-size=\"19\">twist: \u00b1100\u00b0\/m<\/text><text x=\"1185\" y=\"600\" font-size=\"19\">speed: \u2264180 m\/min<\/text><text x=\"1185\" y=\"640\" font-size=\"19\">family stress: 20 N\/mm\u00b2<\/text><text x=\"1185\" y=\"680\" font-size=\"19\">row maximum: 2100 N<\/text><text x=\"1185\" y=\"740\" font-size=\"17\" fill=\"#ffaaa5\">Do not equate design stress<\/text><text x=\"1185\" y=\"770\" font-size=\"17\" fill=\"#ffaaa5\">with the catalogue row force.<\/text>\n <rect x=\"1520\" y=\"245\" width=\"300\" height=\"620\" rx=\"18\" fill=\"#0b222d\" stroke=\"#ff777f\" stroke-width=\"4\"\/><text x=\"1585\" y=\"315\" font-size=\"25\" font-weight=\"700\" fill=\"#ff9297\">Load path<\/text><path d=\"M1670 390 V550\" stroke=\"#ff9297\" stroke-width=\"8\" marker-end=\"url(#mv-force-arrow)\"\/><path d=\"M1670 550 V390\" stroke=\"#ff9297\" stroke-width=\"8\" marker-end=\"url(#mv-force-arrow)\"\/><text x=\"1550\" y=\"630\" font-size=\"17\">tension \u2192 braid \/ sheath<\/text><text x=\"1550\" y=\"665\" font-size=\"17\">torsion \u2192 short lay + braid<\/text><text x=\"1550\" y=\"700\" font-size=\"17\">contact \u2192 outer rubber<\/text><text x=\"1550\" y=\"735\" font-size=\"17\">power \u2192 3\u00d735 cores<\/text><text x=\"1550\" y=\"770\" font-size=\"17\">fault path \u2192 earth sections<\/text>\n <rect x=\"72\" y=\"950\" width=\"1748\" height=\"72\" rx=\"10\" fill=\"#081b24\" stroke=\"#315b6f\" stroke-width=\"2\"\/><text x=\"108\" y=\"994\" font-size=\"18\" fill=\"#ffaaa5\">A catalogue radius or speed is not permission to ignore acceleration, layer build-up, guide spacing, ambient temperature, cable mass, end restraint or the actual reel method statement.<\/text>\n<\/g><\/svg><p class=\"svg-caption\">Figure 2 \u2014 The published bending factors are installation-mode requirements. The final radius is calculated from the controlled maximum outer diameter and the actual reel geometry.<\/p><\/div><p>The TFCrane catalogue lists minimum bending factors according to DIN VDE 0298-3: <b>6\u00d7D fixed, 12\u00d7D on drums, 15\u00d7D on deflection pulleys and 10\u00d7D moving freely<\/b>. The following numbers are transparent arithmetic using each voltage row\u2019s approximate overall diameter.<\/p><div class=\"scroll\"><table><thead><tr><th>Voltage<\/th><th>Approx. OD D (mm)<\/th><th>Fixed 6D (mm)<\/th><th>Drum 12D (mm)<\/th><th>Deflection pulley 15D (mm)<\/th><th>Moving freely 10D (mm)<\/th><th>Screening note<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">3.6\/6 kV<\/td><td>42.5<\/td><td class=\"derived\">255<\/td><td class=\"derived\">510<\/td><td class=\"derived\">638<\/td><td class=\"derived\">425<\/td><td>Use controlled OD; rounded to nearest mm<\/td><\/tr><tr><td class=\"key\">6\/10 kV<\/td><td>44.2<\/td><td class=\"derived\">265<\/td><td class=\"derived\">530<\/td><td class=\"derived\">663<\/td><td class=\"derived\">442<\/td><td>Use controlled OD; rounded to nearest mm<\/td><\/tr><tr><td class=\"key\">8.7\/15 kV<\/td><td>47.7<\/td><td class=\"derived\">286<\/td><td class=\"derived\">572<\/td><td class=\"derived\">716<\/td><td class=\"derived\">477<\/td><td>Use controlled OD; rounded to nearest mm<\/td><\/tr><tr><td class=\"key\">12\/20 kV<\/td><td>52.5<\/td><td class=\"derived\">315<\/td><td class=\"derived\">630<\/td><td class=\"derived\">788<\/td><td class=\"derived\">525<\/td><td>Use controlled OD; rounded to nearest mm<\/td><\/tr><\/tbody><\/table><\/div><div class=\"formula\">Screening formulas\nR_min = k \u00d7 D\nFor a first-layer drum geometry, a conservative barrel-diameter screen is approximately 2 \u00d7 12D = 24D when the cable centreline radius is treated as the controlling radius.\nExample, 12\/20 kV: 24 \u00d7 52.5 mm \u2248 1260 mm preliminary barrel diameter.\nThe reel builder must correct this for cable build-up, flange clearance, layer count, fleet angle, acceleration and the actual cable centreline.<\/div><div class=\"warn\"><b>Do not tighten the cable to fit the reel:<\/b> the first damage often appears as internal core migration, screen distortion or sheath fatigue long before the jacket shows a dramatic mark. A reel with a smaller barrel may be physically capable of winding the cable and still be mechanically wrong.<\/div><h2>8. Resistance and current-carrying data<\/h2><p>The current catalogue provides a useful electrical screening table in its additional-parameters section. It is explicitly for 3-core cables at 30 \u00b0C ambient, and it states applicability to low-voltage cables up to 0.6\/1 kV and medium-voltage cables up to 10 kV. For the 8.7\/15 and 12\/20 kV variants, use a project-specific MV calculation rather than extending the table without approval.<\/p><div class=\"scroll\"><table><thead><tr><th>Conductor area<\/th><th>Plain copper max. resistance at 20 \u00b0C (\u03a9\/km)<\/th><th>Tin-coated copper max. resistance at 20 \u00b0C (\u03a9\/km)<\/th><th>Use in this target<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">35 mm\u00b2<\/td><td>0.554<\/td><td>0.565<\/td><td>Phase-core resistance screening for each 35 mm\u00b2 power conductor<\/td><\/tr><tr><td class=\"key\">25 mm\u00b2<\/td><td>0.780<\/td><td>0.795<\/td><td>Reference only; do not apply directly to each 25\/3 earth section<\/td><\/tr><\/tbody><\/table><\/div><div class=\"scroll\"><table><thead><tr><th>35 mm\u00b2, 3-core reference condition<\/th><th>Current (A)<\/th><th>Scope \/ limitation<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">One cable on floor<\/td><td>162<\/td><td>30 \u00b0C ambient; VDE 0298-4 reference table<\/td><\/tr><tr><td class=\"key\">Suspended freely in air<\/td><td>170<\/td><td>30 \u00b0C ambient; improved heat dissipation<\/td><\/tr><tr><td class=\"key\">Monospiral reel, round cable<\/td><td>130<\/td><td>30 \u00b0C ambient; 3-core reference<\/td><\/tr><tr><td class=\"key\">Festoon, flat cable<\/td><td>79<\/td><td>Not a target-construction rating; shown only as a catalogue comparison<\/td><\/tr><tr><td class=\"key\">Cylindrical reel, 1 layer<\/td><td>130<\/td><td>Layer-specific reference<\/td><\/tr><tr><td class=\"key\">Cylindrical reel, 2 layers<\/td><td>99<\/td><td>Layer-specific reference<\/td><\/tr><tr><td class=\"key\">Cylindrical reel, 3 layers<\/td><td>79<\/td><td>Layer-specific reference<\/td><\/tr><tr><td class=\"key\">Cylindrical reel, 4 layers<\/td><td>68<\/td><td>Layer-specific reference<\/td><\/tr><tr><td class=\"key\">Cylindrical reel, 5 layers<\/td><td>62<\/td><td>Layer-specific reference<\/td><\/tr><tr><td class=\"key\">Cylindrical reel, 6 layers<\/td><td>44<\/td><td>Layer-specific reference<\/td><\/tr><tr><td class=\"key\">Cylindrical reel, 7 layers<\/td><td>36<\/td><td>Layer-specific reference<\/td><\/tr><\/tbody><\/table><\/div><div class=\"note\"><b>Engineer\u2019s reading:<\/b> the 162 A value is not a universal answer for a 3\u00d735 + 3\u00d725\/3 reel cable. It is a table value at stated conditions. Reeling layers, adjacent circuits, ambient temperature, enclosure, duty cycle, harmonic current, voltage class and the earth arrangement must be included in the final thermal calculation.<\/div><h2>9. Reeling mechanics and failure physics<\/h2><div class=\"scroll\"><table><thead><tr><th>Stress source<\/th><th>What happens inside a moving cable<\/th><th>Design control<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">Repeated bending<\/td><td>Strands and insulation experience alternating strain each time the cable enters or leaves the drum.<\/td><td>Use the correct mode-specific radius; keep the cable aligned and avoid reverse curvature at a short S-bend.<\/td><\/tr><tr><td class=\"key\">Axial tension<\/td><td>The cable\u2019s mass, acceleration, friction and slope create a combined tensile load. Terminations can see a higher local load than the free cable body.<\/td><td>Use approved strain relief, support the cable mechanically and compare the complete dynamic load with the catalogue row value and project limit.<\/td><\/tr><tr><td class=\"key\">Torsion<\/td><td>A reel or guide that changes cable twist can rotate the core bundle, braid and screen relative to one another.<\/td><td>Keep the cable\u2019s natural lay direction, prevent twist accumulation and stay within the public \u00b1100\u00b0\/m family limit unless a released design says otherwise.<\/td><\/tr><tr><td class=\"key\">Layer pressure<\/td><td>Crossover, edge loading and flange contact can create local compression and abrasion even when the global radius is acceptable.<\/td><td>Control winding pitch, fleet angle, guide-roller spacing, flange clearance and layer transition.<\/td><\/tr><tr><td class=\"key\">Thermal cycling<\/td><td>Copper losses heat the cores; starting and stopping changes the thermal gradient while the cable is flexing.<\/td><td>Apply the installation-specific current table and derating factors; verify terminal temperature and short-circuit coordination.<\/td><\/tr><tr><td class=\"key\">Environmental attack<\/td><td>Oil, water, ozone, UV, dust and impact can age the outer compound or create a crack that propagates under flexing.<\/td><td>Specify the environment and verify the exact Feichun compound, test reports and inspection plan.<\/td><\/tr><\/tbody><\/table><\/div><div class=\"formula\">Dynamic-load screening\nF_total \u2248 F_self-weight + F_acceleration + F_friction + F_slope + F_termination\nThe catalogue row value of 2100 N is a product-table limit, not a complete reel-system calculation.\nFor a 12\/20 kV row, catalogue mass \u2248 3.912 kg\/m, so the cable\u2019s own weight is already \u2248 38.4 N\/m before acceleration or friction. This is a preliminary screening observation only; it is not a permissible vertical-hang length.<\/div><h2>10. Application scenarios<\/h2><div class=\"svg\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"1900\" height=\"1000\" viewBox=\"0 0 1900 1000\" role=\"img\" aria-label=\"TFCrane medium-voltage reeling cable application scenarios for port cranes, open-cast mining, conveyors and industrial cable reels\">\n<defs><linearGradient id=\"mv-sky\" x1=\"0\" x2=\"0\" y1=\"0\" y2=\"1\"><stop stop-color=\"#163f50\"\/><stop offset=\"1\" stop-color=\"#06131b\"\/><\/linearGradient><marker id=\"mv-app-arrow\" markerWidth=\"12\" markerHeight=\"12\" refX=\"10\" refY=\"4\" orient=\"auto\"><path d=\"M0 0 L12 4 L0 8 Z\" fill=\"#d9edf0\"\/><\/marker><\/defs>\n<rect width=\"1900\" height=\"1000\" fill=\"url(#mv-sky)\"\/><rect y=\"690\" width=\"1900\" height=\"310\" fill=\"#0b2028\"\/><path d=\"M0 690 H1900\" stroke=\"#6e9298\" stroke-width=\"4\"\/>\n<text x=\"60\" y=\"65\" fill=\"#55dff7\" font-family=\"Arial\" font-size=\"36\" font-weight=\"700\">Where the 3\u00d735 + 3\u00d725\/3 TFCrane architecture is engineered to work<\/text>\n<text x=\"60\" y=\"105\" fill=\"#adc4ce\" font-family=\"Arial\" font-size=\"18\">The public MV family is intended for high-mechanical-stress reeling on monospiral or cylindrical reels; the exact voltage variant still controls the electrical design.<\/text>\n<g font-family=\"Arial\" fill=\"#eaf6f8\">\n <g transform=\"translate(65 205)\"><rect width=\"390\" height=\"370\" rx=\"16\" fill=\"#0b222d\" stroke=\"#55dff7\" stroke-width=\"4\"\/><path d=\"M44 100 H340 V145 H44 Z M80 145 V280 M304 145 V280\" fill=\"none\" stroke=\"#b9d5d4\" stroke-width=\"10\"\/><path d=\"M78 280 H306\" stroke=\"#b9d5d4\" stroke-width=\"10\"\/><rect x=\"145\" y=\"295\" width=\"100\" height=\"54\" fill=\"#29454d\" stroke=\"#e4c779\" stroke-width=\"6\"\/><path d=\"M195 349 V380\" stroke=\"#55dff7\" stroke-width=\"13\"\/><path d=\"M245 298 C275 268 290 225 325 210\" fill=\"none\" stroke=\"#d56b70\" stroke-width=\"12\"\/><text x=\"115\" y=\"285\" font-size=\"24\" font-weight=\"700\" fill=\"#55dff7\">STS \/ RTG crane<\/text><text x=\"85\" y=\"322\" font-size=\"17\">port power feed \u00b7 high travel duty<\/text><\/g>\n <g transform=\"translate(505 205)\"><rect width=\"390\" height=\"370\" rx=\"16\" fill=\"#0b222d\" stroke=\"#f1cf7b\" stroke-width=\"4\"\/><path d=\"M64 255 H315 L279 188 H112 Z\" fill=\"#263f47\" stroke=\"#b9d5d4\" stroke-width=\"7\"\/><circle cx=\"114\" cy=\"277\" r=\"30\" fill=\"#0a1d24\" stroke=\"#e4c779\" stroke-width=\"8\"\/><circle cx=\"273\" cy=\"277\" r=\"30\" fill=\"#0a1d24\" stroke=\"#e4c779\" stroke-width=\"8\"\/><rect x=\"150\" y=\"140\" width=\"100\" height=\"58\" fill=\"#36555b\" stroke=\"#55dff7\" stroke-width=\"6\"\/><path d=\"M200 140 V100\" stroke=\"#55dff7\" stroke-width=\"10\"\/><path d=\"M65 160 C120 125 300 130 332 95\" fill=\"none\" stroke=\"#d56b70\" stroke-width=\"12\"\/><text x=\"125\" y=\"310\" font-size=\"24\" font-weight=\"700\" fill=\"#f1cf7b\">Open-cast mining<\/text><text x=\"80\" y=\"345\" font-size=\"17\">wet\/dry \u00b7 impact \u00b7 abrasion \u00b7 torsion<\/text><\/g>\n <g transform=\"translate(945 205)\"><rect width=\"390\" height=\"370\" rx=\"16\" fill=\"#0b222d\" stroke=\"#ff9297\" stroke-width=\"4\"\/><path d=\"M38 220 H350\" stroke=\"#b9d5d4\" stroke-width=\"12\"\/><circle cx=\"95\" cy=\"220\" r=\"30\" fill=\"#0a1d24\" stroke=\"#e4c779\" stroke-width=\"8\"\/><circle cx=\"285\" cy=\"220\" r=\"30\" fill=\"#0a1d24\" stroke=\"#e4c779\" stroke-width=\"8\"\/><rect x=\"80\" y=\"154\" width=\"240\" height=\"42\" rx=\"10\" fill=\"#36555b\" stroke=\"#a6e3d4\" stroke-width=\"6\"\/><path d=\"M64 175 C125 125 270 125 328 175\" fill=\"none\" stroke=\"#d56b70\" stroke-width=\"12\"\/><path d=\"M120 155 V97 M195 155 V92 M270 155 V97\" stroke=\"#e4c779\" stroke-width=\"10\"\/><text x=\"112\" y=\"302\" font-size=\"24\" font-weight=\"700\" fill=\"#ff9297\">Conveyors \/ crushers<\/text><text x=\"75\" y=\"337\" font-size=\"17\">mobile machinery \u00b7 high mechanical stress<\/text><\/g>\n <g transform=\"translate(1385 205)\"><rect width=\"390\" height=\"370\" rx=\"16\" fill=\"#0b222d\" stroke=\"#a6e3d4\" stroke-width=\"4\"\/><circle cx=\"195\" cy=\"170\" r=\"104\" fill=\"none\" stroke=\"#b9d5d4\" stroke-width=\"16\"\/><circle cx=\"195\" cy=\"170\" r=\"35\" fill=\"#091d25\" stroke=\"#e4c779\" stroke-width=\"9\"\/><circle cx=\"195\" cy=\"170\" r=\"70\" fill=\"none\" stroke=\"#e4c779\" stroke-width=\"14\" stroke-dasharray=\"23 16\"\/><path d=\"M195 70 V270 M95 170 H295\" stroke=\"#b9d5d4\" stroke-width=\"7\"\/><path d=\"M292 275 C320 300 332 320 365 330\" fill=\"none\" stroke=\"#d56b70\" stroke-width=\"14\"\/><text x=\"126\" y=\"305\" font-size=\"24\" font-weight=\"700\" fill=\"#a6e3d4\">Industrial reel<\/text><text x=\"79\" y=\"340\" font-size=\"17\">cylindrical \/ monospiral configuration<\/text><\/g>\n <path d=\"M460 390 H495 M900 390 H935 M1340 390 H1375\" stroke=\"#d9edf0\" stroke-width=\"5\" marker-end=\"url(#mv-app-arrow)\"\/>\n <rect x=\"80\" y=\"795\" width=\"1740\" height=\"90\" rx=\"10\" fill=\"#081b24\" stroke=\"#315b6f\" stroke-width=\"2\"\/><text x=\"115\" y=\"833\" font-size=\"18\" fill=\"#ffaaa5\">Application boundary: the MV TSCGEWOEU reference is a reeling architecture. It is not automatically interchangeable with a fixed XLPE MV cable, a festoon flat cable, a drag-chain cable or a fiber-integrated variant.<\/text><text x=\"115\" y=\"866\" font-size=\"17\" fill=\"#adc4ce\">Confirm voltage, current, reel geometry, environmental exposure, termination system and certification before selecting the final Feichun equivalent.<\/text>\n<\/g><\/svg><p class=\"svg-caption\">Figure 3 \u2014 Typical engineering contexts for the TFCrane MV reeling family. The original application must be checked against the chosen voltage row, reel geometry, environmental exposure and termination system.<\/p><\/div><div class=\"grid\"><div class=\"box\"><b>Ship-to-shore and RTG cranes<\/b><br>Use the cable as the moving MV power connection only when the reel path, travel speed, acceleration and port environment are within the released design.<\/div><div class=\"box\"><b>Open-cast mining equipment<\/b><br>Excavators, dumpers, crushers and similar machines can combine high current with water, dust, impact, abrasion and torsion.<\/div><div class=\"box\"><b>Conveyors and material handling<\/b><br>Confirm whether the cable is truly reeling or whether the machine needs a festoon, trailing or drag-chain construction; the families are not interchangeable by name.<\/div><div class=\"box\"><b>Industrial reels<\/b><br>For cylindrical or monospiral reels, release the barrel, flange, winding pitch, speed, layers and line-of-action together with the cable.<\/div><\/div><h2>11. Installation and commissioning controls<\/h2><div class=\"scroll\"><table><thead><tr><th>Control point<\/th><th>Practical instruction<\/th><th>Acceptance evidence<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">Original identification<\/td><td>Photograph the sheath marking, VAHLE part number, reel nameplate and original datasheet before removal.<\/td><td>Traceable photo set and controlled document revision.<\/td><\/tr><tr><td class=\"key\">Voltage and accessories<\/td><td>Confirm U\u2080\/U, U\u2098, AC test voltage, screen continuity, earth arrangement and compatible MV termination kit.<\/td><td>Cable\/accessory compatibility matrix and test record.<\/td><\/tr><tr><td class=\"key\">Drum geometry<\/td><td>Measure barrel diameter, flange diameter, winding width, layer count, fleet angle and guide-roller positions.<\/td><td>Released reel drawing with cable OD and radius gates.<\/td><\/tr><tr><td class=\"key\">Cable handling<\/td><td>Pay off from the correct side, keep the cable in its natural lay, prevent loops, kinks and reverse twists, and do not drag the jacket over sharp edges.<\/td><td>Installation method statement and visual inspection.<\/td><\/tr><tr><td class=\"key\">Pulling and restraint<\/td><td>Use a pulling sock or approved mechanical attachment; keep conductor terminations out of the pulling load.<\/td><td>Pulling-force log and termination strain-relief inspection.<\/td><\/tr><tr><td class=\"key\">Electrical tests<\/td><td>Perform continuity, conductor resistance, screen\/earth continuity, insulation and MV tests required by the selected voltage and contract.<\/td><td>Routine\/type\/acceptance test dossier.<\/td><\/tr><tr><td class=\"key\">First run<\/td><td>Run at low speed, observe layer tracking and guide contact, then increase speed while recording current, temperature, acceleration and tension.<\/td><td>Commissioning record with alarm limits.<\/td><\/tr><tr><td class=\"key\">Maintenance<\/td><td>Inspect jacket, braid exposure, flat spots, cracks, abrasion, screen continuity and reel alignment at a frequency set by duty and environment.<\/td><td>Inspection log and replacement criteria.<\/td><\/tr><\/tbody><\/table><\/div><div class=\"warn\"><b>Termination warning:<\/b> do not cut the cable to an MV accessory before the exact voltage, screen, earth arrangement, outer diameter and bend radius are released. A good cable can be failed by a bad screen cutback or by a termination that transfers reel force into the conductor.<\/div><h2>12. Selection comparison: what is and is not a substitute<\/h2><div class=\"scroll\"><table><thead><tr><th>Candidate family<\/th><th>Primary duty<\/th><th>Why it differs from the target<\/th><th>Decision<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">TFCrane R-(N)TSCGEW\u00d6U 3\u00d735 + 3\u00d725\/3<\/td><td>MV reeling on monospiral \/ cylindrical reels; 3.6\/6 to 12\/20 kV.<\/td><td>Target family; voltage row and original marking still need confirmation.<\/td><td>Use as the reference architecture.<\/td><\/tr><tr><td class=\"key\">Fixed-installation XLPE MV cable<\/td><td>Static underground, duct or tray feeder.<\/td><td>May meet voltage and conductor area but normally lacks the reeling braid, dynamic lay and approved torsion duty.<\/td><td>Not a drop-in dynamic substitute.<\/td><\/tr><tr><td class=\"key\">0.6\/1 kV NSHTOEU \/ low-voltage reeling cable<\/td><td>Low-voltage mobile power and reeling.<\/td><td>Voltage insulation system, screens, OD, accessories and fault duty are different.<\/td><td>Cannot replace the MV target.<\/td><\/tr><tr><td class=\"key\">TFCrane R-(N)TSKCGEW\u00d6U or +FO variant<\/td><td>Different screened or fiber-integrated MV architecture.<\/td><td>Core layout, electromagnetic behaviour, OD and termination procedure differ from the plain TSCGEWOEU row.<\/td><td>Quote only after a new configuration matrix.<\/td><\/tr><tr><td class=\"key\">Generic rubber trailing cable<\/td><td>General mobile or trailing power.<\/td><td>May lack the required reel speed, anti-torsion braid, MV screen system and tested row data.<\/td><td>Do not accept by jacket appearance.<\/td><\/tr><\/tbody><\/table><\/div><div class=\"note\"><b>Functional equivalence is a system statement:<\/b> a replacement is credible only when voltage, electrical performance, mechanical duty, environmental resistance, interfaces, tests, markings and certification scope all match the original use case. \u201cSame cross-section\u201d is only one row in that matrix.<\/div><h2>13. RFQ-ready technical specification<\/h2><div class=\"svg\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"1900\" height=\"850\" viewBox=\"0 0 1900 850\" role=\"img\" aria-label=\"RFQ release flow for the LT-GUM-R-TFCRANE medium-voltage reeling cable\">\n<defs><marker id=\"mv-flow-arrow\" markerWidth=\"12\" markerHeight=\"12\" refX=\"10\" refY=\"4\" orient=\"auto\"><path d=\"M0 0 L12 4 L0 8 Z\" fill=\"#d9edf0\"\/><\/marker><\/defs>\n<rect width=\"1900\" height=\"850\" fill=\"#06131b\"\/><text x=\"60\" y=\"65\" fill=\"#55dff7\" font-family=\"Arial\" font-size=\"36\" font-weight=\"700\">RFQ release flow \u2014 configuration, voltage, motion, current and evidence<\/text><text x=\"60\" y=\"105\" fill=\"#adc4ce\" font-family=\"Arial\" font-size=\"18\">A high-quality quotation is a controlled engineering input, not only a size and price request.<\/text>\n<g font-family=\"Arial\" fill=\"#eaf6f8\">\n <rect x=\"65\" y=\"220\" width=\"300\" height=\"290\" rx=\"15\" fill=\"#0b222d\" stroke=\"#55dff7\" stroke-width=\"4\"\/><text x=\"112\" y=\"280\" font-size=\"24\" font-weight=\"700\" fill=\"#55dff7\">1. Identity<\/text><text x=\"112\" y=\"325\" font-size=\"18\">raw VAHLE string<\/text><text x=\"112\" y=\"358\" font-size=\"18\">3\u00d735 + 3\u00d725\/3<\/text><text x=\"112\" y=\"391\" font-size=\"18\">TSCGEWOEU \/ suffix<\/text><text x=\"112\" y=\"424\" font-size=\"18\">manufacturer + part no.<\/text><path d=\"M365 365 H475\" stroke=\"#d9edf0\" stroke-width=\"4\" marker-end=\"url(#mv-flow-arrow)\"\/>\n <rect x=\"475\" y=\"190\" width=\"300\" height=\"350\" rx=\"15\" fill=\"#0b222d\" stroke=\"#f1cf7b\" stroke-width=\"4\"\/><text x=\"522\" y=\"250\" font-size=\"24\" font-weight=\"700\" fill=\"#f1cf7b\">2. Voltage<\/text><text x=\"522\" y=\"295\" font-size=\"18\">3.6\/6 \u00b7 6\/10 kV<\/text><text x=\"522\" y=\"328\" font-size=\"18\">8.7\/15 \u00b7 12\/20 kV<\/text><text x=\"522\" y=\"361\" font-size=\"18\">U\u2098 + AC test<\/text><text x=\"522\" y=\"394\" font-size=\"18\">PD requirement<\/text><text x=\"522\" y=\"427\" font-size=\"18\">termination class<\/text><text x=\"522\" y=\"477\" font-size=\"17\" fill=\"#ffaaa5\">Do not quote one by guess.<\/text><path d=\"M775 365 H885\" stroke=\"#d9edf0\" stroke-width=\"4\" marker-end=\"url(#mv-flow-arrow)\"\/>\n <rect x=\"885\" y=\"190\" width=\"300\" height=\"350\" rx=\"15\" fill=\"#0b222d\" stroke=\"#ff9297\" stroke-width=\"4\"\/><text x=\"932\" y=\"250\" font-size=\"24\" font-weight=\"700\" fill=\"#ff9297\">3. Motion<\/text><text x=\"932\" y=\"295\" font-size=\"18\">reel type + barrel<\/text><text x=\"932\" y=\"328\" font-size=\"18\">speed + acceleration<\/text><text x=\"932\" y=\"361\" font-size=\"18\">cycle count + travel<\/text><text x=\"932\" y=\"394\" font-size=\"18\">radius + guide path<\/text><text x=\"932\" y=\"427\" font-size=\"18\">tension + torsion<\/text><text x=\"932\" y=\"477\" font-size=\"17\" fill=\"#ffaaa5\">Geometry controls service life.<\/text><path d=\"M1185 365 H1295\" stroke=\"#d9edf0\" stroke-width=\"4\" marker-end=\"url(#mv-flow-arrow)\"\/>\n <rect x=\"1295\" y=\"190\" width=\"300\" height=\"350\" rx=\"15\" fill=\"#0b222d\" stroke=\"#a6e3d4\" stroke-width=\"4\"\/><text x=\"1342\" y=\"250\" font-size=\"24\" font-weight=\"700\" fill=\"#a6e3d4\">4. Electrical<\/text><text x=\"1342\" y=\"295\" font-size=\"18\">continuous current<\/text><text x=\"1342\" y=\"328\" font-size=\"18\">short-circuit duty<\/text><text x=\"1342\" y=\"361\" font-size=\"18\">earth arrangement<\/text><text x=\"1342\" y=\"394\" font-size=\"18\">frequency + load<\/text><text x=\"1342\" y=\"427\" font-size=\"18\">EMC \/ screen needs<\/text><text x=\"1342\" y=\"477\" font-size=\"17\" fill=\"#ffaaa5\">Current tables need conditions.<\/text><path d=\"M1595 365 H1705\" stroke=\"#d9edf0\" stroke-width=\"4\" marker-end=\"url(#mv-flow-arrow)\"\/>\n <rect x=\"1705\" y=\"220\" width=\"130\" height=\"290\" rx=\"15\" fill=\"#0b222d\" stroke=\"#d56b70\" stroke-width=\"4\"\/><text x=\"1735\" y=\"292\" font-size=\"22\" font-weight=\"700\" fill=\"#f08b8d\">5.<\/text><text x=\"1735\" y=\"326\" font-size=\"22\" font-weight=\"700\" fill=\"#f08b8d\">Release<\/text><text x=\"1722\" y=\"380\" font-size=\"16\">drawing<\/text><text x=\"1722\" y=\"410\" font-size=\"16\">tests<\/text><text x=\"1722\" y=\"440\" font-size=\"16\">certs<\/text><text x=\"1722\" y=\"470\" font-size=\"16\">marking<\/text>\n <rect x=\"80\" y=\"660\" width=\"1740\" height=\"70\" rx=\"10\" fill=\"#081b24\" stroke=\"#315b6f\" stroke-width=\"2\"\/><text x=\"112\" y=\"703\" font-size=\"18\" fill=\"#ffaaa5\">The supplied string is a valid search key. It becomes a manufacturable RFQ only after the five gates are released and the exact Feichun equivalent is documented.<\/text>\n<\/g><\/svg><p class=\"svg-caption\">Figure 4 \u2014 RFQ release logic for the target. The exact raw marking remains useful, but the quote should carry the engineering fields beside it.<\/p><\/div><div class=\"scroll\"><table><thead><tr><th>RFQ field<\/th><th>Required answer<\/th><th>Why the supplier needs it<\/th><th>Status for this request<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">Original description<\/td><td>LT-GUM-R-TFCRANE (N) TSCGEWOEU 3X35 & 3X25\/3 REELING CABLE TFCRANE R MARK VAHLE<\/td><td>Preserves procurement traceability and prevents a similar-looking cable from being substituted silently.<\/td><td class=\"source\">Supplied<\/td><\/tr><tr><td class=\"key\">Normalized configuration<\/td><td>LT-GUM-R-TFCRANE R-(N)TSCGEWOEU 3\u00d735 + 3\u00d725\/3 reeling cable<\/td><td>Gives the engineering team a consistent search and drawing string.<\/td><td class=\"derived\">Derived normalization<\/td><\/tr><tr><td class=\"key\">Exact voltage U\u2080\/U<\/td><td>Select: 3.6\/6, 6\/10, 8.7\/15 or 12\/20 kV<\/td><td>Determines insulation system, screen, test voltage, OD, weight, accessories and current calculation.<\/td><td class=\"tbc\">Required<\/td><\/tr><tr><td class=\"key\">U\u2098 \/ AC test \/ PD<\/td><td>Confirm from the original datasheet and network specification.<\/td><td>Controls insulation coordination, routine testing and terminations.<\/td><td class=\"tbc\">Required<\/td><\/tr><tr><td class=\"key\">Reel type<\/td><td>Monospiral or cylindrical; barrel\/flange dimensions; winding width; layers.<\/td><td>Controls bending radius, layer pressure and heat dissipation.<\/td><td class=\"tbc\">Required<\/td><\/tr><tr><td class=\"key\">Motion duty<\/td><td>Speed, acceleration\/deceleration, travel length, cycles\/day, duty hours, fleet angle and torsion.<\/td><td>Controls dynamic fatigue and cable-life prediction.<\/td><td class=\"tbc\">Required<\/td><\/tr><tr><td class=\"key\">Mechanical limits<\/td><td>Minimum radius by mode, tensile load, twist, guide-roller spacing and end restraint.<\/td><td>Prevents installation loads from exceeding the approved cable design.<\/td><td class=\"tbc\">Family reference + project<\/td><\/tr><tr><td class=\"key\">Electrical load<\/td><td>Continuous current, overload, short-circuit current\/duration, frequency, earthing, harmonics and EMC.<\/td><td>Controls conductor heating, screen\/earth sizing and protection coordination.<\/td><td class=\"tbc\">Required<\/td><\/tr><tr><td class=\"key\">Environment<\/td><td>Wet\/dry, oil, UV, ozone, dust, impact, temperature, altitude, mining or explosion-risk zone.<\/td><td>Selects compound, certification and inspection plan.<\/td><td class=\"tbc\">Required<\/td><\/tr><tr><td class=\"key\">Construction<\/td><td>Tinned or bare class 5 copper, screened rubber cores, 3\u00d725\/3 earth layout, inner\/outer sheath, braid, colour and marking.<\/td><td>Creates a controlled functional equivalent rather than a visual copy.<\/td><td class=\"tbc\">Family reference + project<\/td><\/tr><tr><td class=\"key\">Tests and documents<\/td><td>Routine\/type tests, dimensional report, resistance, screen continuity, MV test, PD where required, flame\/oil\/UV\/ozone evidence and certificates.<\/td><td>Provides procurement and site acceptance evidence.<\/td><td class=\"tbc\">Required<\/td><\/tr><tr><td class=\"key\">Packing and length<\/td><td>Required cut length, drum dimensions, flange protection, cable end sealing, marking interval and delivery condition.<\/td><td>Prevents a 500 m catalogue packing option from being mistaken for a reel capacity or project length.<\/td><td class=\"tbc\">Required<\/td><\/tr><\/tbody><\/table><\/div><div class=\"note\"><b>RFQ wording that works:<\/b> \u201cPlease quote a Feichun functional equivalent to the supplied LT-GUM-R-TFCRANE (N) TSCGEWOEU 3\u00d735 + 3\u00d725\/3 reeling cable. Confirm the exact voltage row, controlled OD, mass, conductor resistance, current-carrying basis, bending factors, speed, torsion, tensile load, construction drawing, test plan, marking and certificate scope. Do not substitute a different family without a written deviation list.\u201d<\/div><h2>14. Feichun functional-equivalent manufacturing<\/h2><p>Feichun Cable can manufacture a complete functional-equivalent product for the same MV reeling duty: three 35 mm\u00b2 flexible power cores, the required 3\u00d725\/3 earth-conductor arrangement, screened rubber insulation, inner sheath, anti-torsion reinforcement and heavy-duty outer sheath, with the selected voltage class and project-specific reel parameters. The replacement should be engineered from an independent Feichun drawing and verified against the original duty matrix.<\/p><div class=\"scroll\"><table><thead><tr><th>Feichun engineering action<\/th><th>What the customer receives<\/th><th>Why it protects the project<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">Independent construction<\/td><td>Feichun part number, layer drawing, conductor\/compound specification and core\/earth identification.<\/td><td>Prevents a visual imitation from being mistaken for a controlled cable design.<\/td><\/tr><tr><td class=\"key\">Side-by-side equivalence matrix<\/td><td>Original value, Feichun value, test method, tolerance, evidence and deviation status.<\/td><td>Makes \u201creplacement\u201d measurable for engineering and procurement review.<\/td><\/tr><tr><td class=\"key\">Mechanical validation<\/td><td>Bending, reeling, tensile, torsion, abrasion, oil, UV, ozone and environmental test plan as required.<\/td><td>Connects the cable design to the actual reel and site exposure.<\/td><\/tr><tr><td class=\"key\">Electrical validation<\/td><td>Conductor resistance, screen\/earth continuity, insulation, MV withstand, partial discharge where required and accessory compatibility.<\/td><td>Controls the failure modes that a cross-section comparison cannot see.<\/td><\/tr><tr><td class=\"key\">Independent marking<\/td><td>Feichun marking with voltage, configuration, production traceability and meter identification.<\/td><td>Preserves traceability without copying VAHLE, TFCrane or another supplier\u2019s proprietary marking.<\/td><\/tr><tr><td class=\"key\">IP and market-clearance support<\/td><td>A neutral product description and documentation package for buyer review.<\/td><td>Feichun avoids copying third-party trademarks, drawings and proprietary identifiers; freedom-to-operate and legal clearance remain the purchaser\u2019s formal review.<\/td><\/tr><\/tbody><\/table><\/div><div class=\"warn\"><b>Patent-risk wording:<\/b> Feichun can design and manufacture a technically equivalent replacement to the required performance envelope and can avoid copying third-party marks or proprietary drawings. No cable supplier can honestly guarantee zero patent risk without a product- and jurisdiction-specific freedom-to-operate review. Use the <a href=\"https:\/\/www.wipo.int\/documents\/d\/tisc\/docs-en-tisc-toolkit-freedom-to-operate-description.pdf\" target=\"_blank\" rel=\"noopener\">WIPO FTO framework<\/a> and the <a href=\"https:\/\/www.uspto.gov\/patents\/search\/patent-public-search\" target=\"_blank\" rel=\"noopener\">USPTO public search<\/a> as part of the buyer\u2019s legal process.<\/div><h2>15. Certification advantage: complete documentation, matched to the product scope<\/h2><blockquote>Engineered for maximum safety in demanding environments, our cable systems comply with global standards including ATEX, IECEx, VDE, CE, UKCA, EAC, and the Russian Fire Safety Certificate. 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.<\/blockquote><p>Feichun\u2019s advantage is not only the ability to reproduce the electrical size. We can organize the certification and test dossier around the actual product construction, voltage class, environment and end use. For the TSCGEWOEU equivalent, the quotation package should identify which documents apply to the exact cable and which are portfolio-level evidence.<\/p><div class=\"scroll\"><table><thead><tr><th>Document \/ approval<\/th><th>How it is used in a project<\/th><th>Release rule<\/th><\/tr><\/thead><tbody><tr><td class=\"key\">ATEX<\/td><td>For equipment and cable-system use in defined explosive atmospheres where the installation assessment requires it.<\/td><td>Confirm zone, category, temperature class and whether the certificate covers the cable itself or the complete assembly.<\/td><\/tr><tr><td class=\"key\">IECEx<\/td><td>International explosive-atmosphere conformity route for applicable equipment and systems.<\/td><td>Match certificate scope, marking and assessed construction to the supplied application.<\/td><\/tr><tr><td class=\"key\">VDE<\/td><td>Supports German\/European technical requirements and the relevant cable construction\/test framework.<\/td><td>Do not treat a VDE reference in a catalogue as a certificate for a different Feichun construction.<\/td><\/tr><tr><td class=\"key\">CE \/ UKCA<\/td><td>Market-access declarations where the cable or completed equipment falls under applicable legislation.<\/td><td>Issue the correct declaration for the product and destination market; keep technical files controlled.<\/td><\/tr><tr><td class=\"key\">EAC<\/td><td>Market-access route for applicable Eurasian Economic Union destinations.<\/td><td>Confirm applicable technical regulations and exact product scope.<\/td><\/tr><tr><td class=\"key\">Russian Fire Safety Certificate<\/td><td>Fire-safety evidence for projects that require Russian fire classification or certification.<\/td><td>Confirm the current certificate, cable construction, validity and destination requirements.<\/td><\/tr><\/tbody><\/table><\/div><div class=\"note\"><b>Certification boundary:<\/b> certificates are not transferred by copying a part-number string. The final Feichun quotation must list the exact certificate number, product scope, voltage\/configuration, test report and validity status applicable to the ordered cable.<\/div><h2>16. Source audit and release note<\/h2><ol class=\"source-list\"><li><a href=\"https:\/\/www.tele-fonika.com\/en\/sales-sectors\/crane-cables\" target=\"_blank\" rel=\"noopener\">Tele-Fonika \/ TFKable \u2014 Crane cables<\/a>: official family context, applications, movement and laboratory-test overview.<\/li><li><a href=\"https:\/\/www.tele-fonika.com\/storage\/file\/core_files\/2026\/5\/8\/3da28f5d5563a779386974b20dab1511\/tfcrane-2026.pdf\" target=\"_blank\" rel=\"noopener\">TFCrane catalogue, Edition VII, 2026<\/a>: R-(N)TSCGEW\u00d6U construction, 3.6\/6\u201312\/20 kV electrical data, exact 3\u00d735 + 3\u00d725\/3 rows, bending factors, speed, torsion, resistance and current reference tables.<\/li><li><a href=\"https:\/\/www.vahle.com\/en\/download\" target=\"_blank\" rel=\"noopener\">VAHLE download centre<\/a>: system-document source to be checked against the original reel or handling-equipment file supplied by the buyer.<\/li><li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/71891\" target=\"_blank\" rel=\"noopener\">IEC 60228<\/a>: independent conductor-standard reference.<\/li><li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/80873\" target=\"_blank\" rel=\"noopener\">IEC 60332-1-2:2025<\/a>: current IEC page for the single-cable vertical flame test method.<\/li><li><a href=\"https:\/\/www.wipo.int\/documents\/d\/tisc\/docs-en-tisc-toolkit-freedom-to-operate-description.pdf\" target=\"_blank\" rel=\"noopener\">WIPO freedom-to-operate toolkit<\/a> and <a href=\"https:\/\/www.uspto.gov\/patents\/search\/patent-public-search\" target=\"_blank\" rel=\"noopener\">USPTO Patent Public Search<\/a>: legal-review starting points, not a legal opinion.<\/li><\/ol><div class=\"warn\"><b>Release note:<\/b> the public TFCrane catalogue says that its tables and drawings are illustrative and not a commercial offer, and that suitability should be assessed by a qualified person. Before Feichun production, confirm the original VAHLE part number, selected voltage row, actual reel geometry, current, environment, terminations, required approvals and the final side-by-side test dossier.<\/div><div class=\"meta\"><span>Article prepared: 04 August 2026<\/span><span>Data class: source \/ derived \/ project confirmation<\/span><span>Raw procurement string preserved<\/span><span>Independent Feichun design required<\/span><\/div><\/main><footer><div class=\"wrap\"><div class=\"contact\"><div><b>Feichun Cable<\/b><br>Technical engineering and export enquiries<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><br>For drawings, RFQ data, test plans and certification scope<\/div><\/div><p class=\"small\">All technical values must be checked against the controlled quotation, released drawing and applicable project standards before manufacture or installation.<\/p><\/div><\/footer><\/body><\/html>\n","protected":false},"excerpt":{"rendered":"The supplied string combines a VAHLE procurement or marking reference with the TFCrane family name and the medium-voltage configuration 3\u00d735 + 3\u00d725\/3. The current public TFCrane catalogue identifies the corresponding R-(N)TSCGEW\u00d6U family as a flexible medium-voltage reeling cable based on DIN VDE 0250-813, with four selectable voltage classes from 3.6\/6 kV to 12\/20 kV [2]. Because the user string does not state the voltage class, this guide preserves every published variant and makes the voltage selection a deliberate RFQ gate.","protected":false},"author":1,"featured_media":25348,"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":[66,56,27157],"tags":[16,111,17],"class_list":["post-25347","post","type-post","status-publish","format-standard","has-post-thumbnail","category-common-problems-encountered-in-cable-applications","category-reeling-cable","category-27157","tag-din-vde-0250","tag-mining-cable","tag-reeling-cable","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/25347","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=25347"}],"version-history":[{"count":2,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/25347\/revisions"}],"predecessor-version":[{"id":25352,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/25347\/revisions\/25352"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/25348"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=25347"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/categories?post=25347"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/tags?post=25347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":25347,"date":"2026-08-05T11:44:41","date_gmt":"2026-08-05T03:44:41","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=25347"},"modified":"2026-08-05T11:44:45","modified_gmt":"2026-08-05T03:44:45","slug":"lt-gum-r-tfcrane-n-tscgewoeu-3x35-3x25-3-reeling-cable-tfcrane-r-mark-vahle-vahle-marking-tfcrane-reference-and-feichun-equivalent-engineering-guide","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/lt-gum-r-tfcrane-n-tscgewoeu-3x35-3x25-3-reeling-cable-tfcrane-r-mark-vahle-vahle-marking-tfcrane-reference-and-feichun-equivalent-engineering-guide\/","title":{"rendered":"LT-GUM-R-TFCRANE (N) TSCGEWOEU 3X35 & 3X25\/3 REELING CABLE TFCRANE R MARK VAHLE \u2014 VAHLE marking, TFCrane reference and Feichun equivalent engineering guide"},"content":{"rendered":"\n