{"id":8794,"date":"2026-03-10T10:32:26","date_gmt":"2026-03-10T02:32:26","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?page_id=8794"},"modified":"2026-03-10T10:32:33","modified_gmt":"2026-03-10T02:32:33","slug":"what-is-feichun-vde-0250-reeling-cable","status":"publish","type":"page","link":"https:\/\/feichuncables.com\/blog\/what-is-feichun-vde-0250-reeling-cable\/","title":{"rendered":"What Is Feichun VDE 0250 Reeling Cable?"},"content":{"rendered":"\n\n\n\n\n\nWhat Is Feichun VDE 0250 Reeling Cable? Comprehensive Technical Guide to the German Standard for Cranes, Mining & Heavy Industry | Feichun Cable<\/title>\n<meta name=\"description\" content=\"Complete technical guide to Feichun Cable's DIN VDE 0250 reeling cables: BUFLEX-M, NSHT\u00d6U, NSSH\u00d6U, (N)TSCGEW\u00d6U, and TENAX-PUR product lines. Covers the German VDE designation system, voltage classifications (0250-812, 0250-813, 0250-814), EPR insulation, PUR\/PCP\/rubber sheath compounds, anti-torsion engineering, aramid strength members, and applications for STS\/RTG cranes, stacker-reclaimers, drilling rigs, mining shovels, and draglines. With Feichun's proprietary polymer R&D advantage, tropical port considerations, and 30+ references.\">\n<meta name=\"keywords\" content=\"VDE 0250 reeling cable, DIN VDE 0250, Feichun VDE 0250, BUFLEX-M reeling cable, NSHT\u00d6U cable, NSSH\u00d6U cable, NTSCGEW\u00d6U cable, TENAX-PUR cable, reeling cable manufacturer, crane cable VDE, port crane cable, STS crane cable, RTG crane cable, stacker reclaimer cable, drilling rig reeling cable, mining reeling cable, DIN VDE 0250-812, DIN VDE 0250-813, DIN VDE 0250-814, VDE cable designation system, EPR insulation reeling cable, PUR sheath reeling cable, anti-torsion cable, aramid strength member, Kevlar cable core, Class 5 flexible conductor, drum reeling cable, festoon cable, cable reel drum, reeling cable bending radius, reeling cable flex life, reeling cable torsion resistance, German cable standard, rubber sheathed flexible cable, 5GM3 sheath compound, 3GI3 insulation compound, spreader basket cable, cable corkscrew effect, Z-kinking prevention, Feichun Cable reeling products, \u98de\u7eafVDE\u5377\u7b52\u7535\u7f06, DIN VDE 0250\u5377\u7b52\u7535\u7f06, \u6e2f\u53e3\u8d77\u91cd\u673a\u7535\u7f06, \u5806\u53d6\u6599\u673a\u7535\u7f06, \u94bb\u673a\u5377\u7b52\u7535\u7f06\">\n<meta name=\"author\" content=\"Anhui Feichun Special Cable Co., Ltd.\">\n<meta name=\"robots\" content=\"index, follow\">\n<link rel=\"canonical\" href=\"https:\/\/feichuncables.com\/blog\/what-is-feichun-vde-0250-reeling-cable\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Source+Serif+4:ital,wght@0,400;0,600;0,700;0,800;1,400&family=Instrument+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap\" rel=\"stylesheet\">\n<style>:root{color-scheme:light 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type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"TechArticle\",\"headline\":\"What Is Feichun VDE 0250 Reeling Cable? Comprehensive Technical Guide to the German Standard for Cranes, Mining & Heavy Industry\",\"description\":\"Complete technical guide to Feichun Cable's DIN VDE 0250 reeling cables including BUFLEX-M, NSHT\u00d6U, NSSH\u00d6U, (N)TSCGEW\u00d6U, and TENAX-PUR product lines. Covers the VDE designation system, voltage classifications, construction, applications, and Feichun's proprietary polymer R&D advantage.\",\"author\":{\"@type\":\"Organization\",\"name\":\"Anhui Feichun Special Cable Co., Ltd.\",\"url\":\"https:\/\/www.feichuncables.com\"},\"datePublished\":\"2026-03-10\",\"inLanguage\":[\"en\",\"zh\"]}<\/script>\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/feichuncables.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Blog\",\"item\":\"https:\/\/feichuncables.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Feichun VDE 0250 Reeling Cable\",\"item\":\"https:\/\/feichuncables.com\/blog\/what-is-feichun-vde-0250-reeling-cable\"}]}<\/script>\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[\n{\"@type\":\"Question\",\"name\":\"What is a VDE 0250 reeling cable?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A VDE 0250 reeling cable is a flexible power cable manufactured to the German standard DIN VDE 0250, designed specifically for applications where the cable is repeatedly wound and unwound on a drum (reel) during machine operation. Germany is the only country to have issued dedicated national design regulations for flexible electrical cables covering cranes and material handling equipment, making DIN VDE 0250 the globally recognized benchmark for tough rubber-sheathed flexible reeling cables. The standard covers cable types from 0.6\/1kV low-voltage drum cables (VDE 0250-814) through 18\/30kV medium-voltage mining reeling cables (VDE 0250-813), with specific requirements for conductor stranding, insulation (EPR type 3GI3), sheath compounds (type 5GM3), anti-torsion construction, and mechanical testing.\"}},\n{\"@type\":\"Question\",\"name\":\"What does Feichun Cable manufacture under VDE 0250?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Feichun Cable manufactures a comprehensive range of DIN VDE 0250 compliant reeling cables including: BUFLEX-M series (PUR-sheathed reeling cables for port cranes and drilling rigs, 0.6\/1kV to 6.6\/6.6kV), NSHT\u00d6U equivalent (tough rubber-sheathed drum reeling cables, 0.6\/1kV), NSSH\u00d6U equivalent (heavy-duty mining and tunneling cables, 0.6\/1kV), (N)TSCGEW\u00d6U equivalent (round medium-voltage reeling cables, 6\/10kV to 18\/30kV), and TENAX-PUR (PUR-sheathed medium-voltage trailing cables for large shovels and draglines, 6\/10kV, operational to -50\u00b0C). All products feature Feichun's proprietary polymer sheath and insulation compounds developed in-house.\"}},\n{\"@type\":\"Question\",\"name\":\"What does the VDE cable designation code mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The VDE cable designation is a systematic letter code read from cable center to outer sheath: N = recognized VDE type, T = trailing\/reeling cable, S = heavy-duty (Strapazierf\u00e4hig), SC = semiconductive screen, K = cradle separator (Kevlar), C = metallic conductive layer, GE = distributed ground conductors on insulation, W = polyester braid reinforcement, \u00d6 = oil-resistant sheath, U = elastomeric sheath material. For example, (N)TSCGEW\u00d6U means: nationally recognized trailing cable with semiconductive screen, distributed ground conductors, polyester braid reinforcement, and oil-resistant elastomeric outer sheath.\"}},\n{\"@type\":\"Question\",\"name\":\"What is the difference between VDE 0250-812, 0250-813, and 0250-814?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"VDE 0250-812 covers heavy-duty rubber-sheathed flexible cables rated up to 0.6\/1kV (including NSSH\u00d6U mining cables and NSHT\u00d6U drum reeling cables). VDE 0250-813 covers medium-voltage reeling and trailing cables from 3.6\/6kV up to 18\/30kV (including (N)TSCGEW\u00d6U and (N)TSKCGEW\u00d6U types for mining shovels, draglines, and large cranes). VDE 0250-814 covers low-voltage festoon and trailing cables rated 0.6\/1kV specifically for crane and material handling applications. Each sub-standard specifies different insulation thickness, sheath requirements, testing protocols, and mechanical performance criteria appropriate to its voltage class and application.\"}},\n{\"@type\":\"Question\",\"name\":\"Why is DIN VDE 0250 considered the global benchmark for reeling cables?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Germany is the only country to have issued dedicated national design regulations specifically for flexible electrical cables covering cranes and material handling equipment. No equivalent international standard exists with the precise technical requirements specified in VDE 0250. This regulatory uniqueness, combined with German engineering rigor, has led to VDE 0250 being globally accepted as the definitive specification for tough rubber-sheathed flexible reeling cables. Port operators, mining companies, and equipment manufacturers worldwide specify VDE 0250 compliance even when not required by local regulations \u2014 because the standard's mechanical performance requirements (tensile strength, torsion resistance, flex life, cold impact) exceed those of any competing standard.\"}},\n{\"@type\":\"Question\",\"name\":\"What makes Feichun's VDE 0250 cables different from other manufacturers?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Feichun Cable's core differentiation is proprietary polymer compound R&D. While most VDE 0250 cable manufacturers purchase pre-mixed sheath and insulation compounds from third-party chemical suppliers, Feichun develops its own PUR, EPR, and elastomeric sheath formulations in-house. This allows application-specific optimization: polyether-based PUR for hydrolysis resistance in tropical ports, silane-modified EPR for moisture resistance in humid mining environments, and custom CPE compounds with ultra-low water absorption for tropical trailing service. The result is measurably superior field performance \u2014 particularly in Southeast Asian, African, and South American markets where tropical conditions destroy cables made with generic purchased compounds.\"}},\n{\"@type\":\"Question\",\"name\":\"What applications use VDE 0250 reeling cables?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"VDE 0250 reeling cables are used in: STS (ship-to-shore) and RTG (rubber-tired gantry) port cranes, tower cranes, stacker-reclaimers for bulk material handling, mobile drilling rigs (underground and surface), mining shovels and excavators (surface), draglines and walking draglines, tunnel boring machines, automated storage and retrieval systems (ASRS), transfer cars and AGVs, mobile conveyors, and any machine using cable drums, festoon systems, or cable drag chains. Voltage ratings range from 0.6\/1kV for auxiliary equipment to 18\/30kV for large draglines.\"}},\n{\"@type\":\"Question\",\"name\":\"What temperature range do VDE 0250 reeling cables support?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"VDE 0250 reeling cables typically support operating temperatures from -25\u00b0C to +90\u00b0C conductor temperature for standard constructions. For fixed installation, the minimum temperature extends to -40\u00b0C. Specialized PUR-sheathed constructions (such as Feichun's TENAX-PUR) maintain flexibility to -50\u00b0C for arctic and high-altitude mining operations. Maximum continuous conductor temperature is 90\u00b0C for EPR-insulated cables, with short-circuit capability to 250\u00b0C for up to 5 seconds.\"}}\n]}<\/script>\n<\/head>\n\n<body>\n<article class=\"page-wrap\">\n\n <header class=\"hdr\">\n <span class=\"badge\">Feichun Special Cable \u2014 VDE 0250 Reeling Cable Engineering<\/span>\n <h1>What Is Feichun VDE 0250 Reeling Cable?<br>Comprehensive Technical Guide to the German Standard for Cranes, Mining & Heavy Industry<\/h1>\n <p class=\"sub\">The Global Benchmark for Tough Flexible Reeling Cables \u2014 And How Feichun Cable’s Proprietary Polymer R&D Takes It Further. DIN VDE 0250 Designation System Decoded. Voltage Classifications (0250-812, 0250-813, 0250-814). EPR Insulation Type 3GI3. Sheath Compounds Type 5GM3. Anti-Torsion Engineering and Aramid Strength Members. BUFLEX-M, NSHT\u00d6U, NSSH\u00d6U, (N)TSCGEW\u00d6U, and TENAX-PUR Product Lines. Applications from STS Port Cranes to Underground Drilling Rigs. Tropical Port and Mining Considerations. Equipment Compatibility Matrix. 30+ References.<\/p>\n <p class=\"sub-cn\">\u5168\u7403\u516c\u8ba4\u7684\u91cd\u578b\u67d4\u6027\u5377\u7b52\u7535\u7f06\u57fa\u51c6\u6807\u51c6\u2014\u2014\u98de\u7eaf\u7535\u7f06\u81ea\u4e3b\u9ad8\u5206\u5b50\u7814\u53d1\u5982\u4f55\u5c06\u5176\u63d0\u5347\u5230\u65b0\u9ad8\u5ea6\u3002DIN VDE 0250 \u578b\u53f7\u4ee3\u7801\u89e3\u6790\u3001\u7535\u538b\u5206\u7c7b\uff080250-812\/813\/814\uff09\u3001EPR \u7edd\u7f18\u578b 3GI3\u3001\u62a4\u5957\u914d\u65b9\u578b 5GM3\u3001\u9632\u626d\u5de5\u7a0b\u4e0e\u82b3\u7eb6\u5f3a\u5ea6\u6784\u4ef6\u3001BUFLEX-M \/ NSHT\u00d6U \/ NSSH\u00d6U \/ (N)TSCGEW\u00d6U \/ TENAX-PUR \u4ea7\u54c1\u7ebf\u3001STS \u6e2f\u53e3\u8d77\u91cd\u673a\u5230\u5730\u4e0b\u94bb\u673a\u5e94\u7528\u3001\u70ed\u5e26\u6e2f\u53e3\u4e0e\u77ff\u5c71\u8003\u91cf\u3001\u8bbe\u5907\u517c\u5bb9\u77e9\u9635\u300130+ \u53c2\u8003\u6587\u732e\u3002<\/p>\n <div class=\"meta\">\n <span>Anhui Feichun Special Cable Co., Ltd.<\/span> | <time datetime=\"2026-03-10\">Mar 10, 2026<\/time> | <span>Reading time: ~42 min<\/span>\n <\/div>\n <\/header>\n\n <nav class=\"toc\" aria-label=\"Table of Contents\">\n <div class=\"toc-label\">Contents<\/div>\n <ol>\n <li><a href=\"#s1\">What Is DIN VDE 0250 and Why Is It the Global Benchmark?<\/a><\/li>\n <li><a href=\"#s2\">How Does the VDE Cable Designation System Work?<\/a><\/li>\n <li><a href=\"#s3\">What Are the Voltage Sub-Standards? VDE 0250-812 vs 813 vs 814<\/a><\/li>\n <li><a href=\"#s4\">How Is a VDE 0250 Reeling Cable Constructed?<\/a><\/li>\n <li><a href=\"#s5\">What Insulation and Sheath Compounds Does VDE 0250 Specify?<\/a><\/li>\n <li><a href=\"#s6\">What Is Anti-Torsion Engineering and Why Does It Matter?<\/a><\/li>\n <li><a href=\"#s7\">Feichun Cable VDE 0250 Product Lines: Complete Overview<\/a><\/li>\n <li><a href=\"#s8\">BUFLEX-M Series: PUR-Sheathed Reeling Cables for Cranes and Drilling<\/a><\/li>\n <li><a href=\"#s9\">NSHT\u00d6U and NSSH\u00d6U Equivalents: Heavy-Duty Rubber-Sheathed Cables<\/a><\/li>\n <li><a href=\"#s10\">(N)TSCGEW\u00d6U Equivalent: Medium-Voltage Reeling Cables<\/a><\/li>\n <li><a href=\"#s11\">TENAX-PUR: Extreme-Condition Mining Cables<\/a><\/li>\n <li><a href=\"#s12\">Which Equipment Uses VDE 0250 Reeling Cables?<\/a><\/li>\n <li><a href=\"#s13\">What Makes Feichun’s VDE 0250 Cables Different? The Polymer R&D Advantage<\/a><\/li>\n <li><a href=\"#s14\">Tropical Port and Mining Considerations<\/a><\/li>\n <li><a href=\"#s15\">How to Select the Right Feichun VDE 0250 Reeling Cable<\/a><\/li>\n <li><a href=\"#s16\">References and Further Reading<\/a><\/li>\n <\/ol>\n <\/nav>\n\n <div class=\"body\">\n\n <h2 id=\"s1\">1. What Is DIN VDE 0250 and Why Is It the Global Benchmark?<\/h2>\n\n <div class=\"note amber\">\n <div class=\"nt\">Direct Answer<\/div>\n <p><strong>DIN VDE 0250<\/strong> is the German national standard for cables, wires, and flexible cords for power installations. Developed jointly by the German Institute for Standardization (DIN) and the Association for Electrical, Electronic and Information Technologies (VDE), it is the only national standard in the world that includes dedicated design regulations specifically for flexible electrical cables covering cranes and material handling equipment. This regulatory uniqueness has made DIN VDE 0250 the globally recognized benchmark for tough rubber-sheathed flexible reeling cables \u2014 specified by port operators, mining companies, and equipment manufacturers worldwide even when not required by local regulations. <strong>Feichun Cable<\/strong> manufactures a comprehensive range of VDE 0250 compliant reeling cables \u2014 BUFLEX-M, NSHT\u00d6U, NSSH\u00d6U, (N)TSCGEW\u00d6U, and TENAX-PUR \u2014 with the added advantage of proprietary polymer compound R&D that optimizes cable performance for specific operating environments.<\/p>\n <\/div>\n\n <p>No other country has issued equivalent national regulations with the precise technical requirements that VDE 0250 specifies for reeling and trailing cables. The International Electrotechnical Commission (IEC) publishes IEC 60502 for general power cables, but this standard does not address the specific mechanical requirements \u2014 tensile strength under drum winding, torsional resistance during multi-layer spooling, cold impact resistance at \u221250\u00b0C, anti-corkscrew engineering \u2014 that reeling cables must satisfy. The British, French, Italian, Australian, and American standards all reference VDE 0250 as the performance benchmark for this cable category, either directly or through equivalent specifications.<\/p>\n\n <p>According to operational data compiled by the Port Equipment Manufacturers Association (PEMA), electrical cable failures account for approximately 15\u201320% of container crane downtime. Modern container terminals utilizing VDE 0250-compliant cables have demonstrated approximately 40% reduction in unplanned downtime compared to facilities using non-compliant alternatives, with typical installations achieving 8\u201310 years of service life before replacement. These performance metrics explain why VDE 0250 has achieved its current status as the de facto global standard for reeling cable specification.<\/p>\n\n <p class=\"cn\">DIN VDE 0250 \u662f\u5168\u7403\u552f\u4e00\u5305\u542b\u8d77\u91cd\u673a\u548c\u7269\u6599\u642c\u8fd0\u8bbe\u5907\u4e13\u7528\u67d4\u6027\u7535\u7f06\u8bbe\u8ba1\u6cd5\u89c4\u7684\u56fd\u5bb6\u6807\u51c6\u2014\u2014\u8fd9\u4e00\u76d1\u7ba1\u72ec\u7279\u6027\u4f7f\u5176\u6210\u4e3a\u5168\u7403\u516c\u8ba4\u7684\u91cd\u578b\u5377\u7b52\u7535\u7f06\u57fa\u51c6\u89c4\u8303\u3002\u6e2f\u53e3\u8bbe\u5907\u5236\u9020\u5546\u534f\u4f1a\uff08PEMA\uff09\u6570\u636e\u663e\u793a\uff0c\u7535\u6c14\u7535\u7f06\u6545\u969c\u7ea6\u5360\u96c6\u88c5\u7bb1\u8d77\u91cd\u673a\u505c\u673a\u65f6\u95f4\u768415-20%\uff1b\u4f7f\u7528 VDE 0250 \u5408\u89c4\u7535\u7f06\u7684\u73b0\u4ee3\u96c6\u88c5\u7bb1\u7801\u5934\u975e\u8ba1\u5212\u505c\u673a\u51cf\u5c11\u7ea640%\uff0c\u5178\u578b\u5b89\u88c5\u4f7f\u7528\u5bff\u547d\u8fbe8-10\u5e74\u3002\u98de\u7eaf\u7535\u7f06\u5236\u9020\u5168\u7cfb\u5217 VDE 0250 \u5377\u7b52\u7535\u7f06\uff0c\u5e76\u4ee5\u81ea\u4e3b\u9ad8\u5206\u5b50\u914d\u65b9\u7814\u53d1\u8fdb\u4e00\u6b65\u4f18\u5316\u73b0\u573a\u6027\u80fd\u3002<\/p>\n\n\n <h2 id=\"s2\">2. How Does the VDE Cable Designation System Work?<\/h2>\n\n <p>The VDE cable designation is a systematic letter code where each letter or letter-group identifies a specific construction feature, read sequentially from the cable center outward to the outer sheath. Understanding this system is essential for proper cable specification.<\/p>\n\n <div class=\"tw\">\n <caption>Table 1 \u2014 VDE 0250 Reeling Cable Designation Code Elements<\/caption>\n <table>\n <thead><tr><th>Code<\/th><th>Meaning<\/th><th>German Origin<\/th><\/tr><\/thead>\n <tbody>\n <tr><td>(N)<\/td><td>Recognized VDE type (national standard)<\/td><td>Normtyp<\/td><\/tr>\n <tr><td>T<\/td><td>Trailing\/reeling cable<\/td><td>Trommelkabel \/ Schleppkabel<\/td><\/tr>\n <tr><td>S<\/td><td>Heavy-duty construction<\/td><td>Strapazierf\u00e4hig<\/td><\/tr>\n <tr><td>SS<\/td><td>Special heavy-duty construction<\/td><td>Spezial Strapazierf\u00e4hig<\/td><\/tr>\n <tr><td>SC<\/td><td>Semiconductive screen on insulation<\/td><td>Semiconductive<\/td><\/tr>\n <tr><td>K<\/td><td>Cradle separator with Kevlar reinforcement<\/td><td>Kreuzverseilung (cross-lay)<\/td><\/tr>\n <tr><td>C<\/td><td>Metallic conductive layer (copper screen)<\/td><td>Conductive<\/td><\/tr>\n <tr><td>GE<\/td><td>Distributed ground conductors on insulation<\/td><td>Geerdete Einzelleiter<\/td><\/tr>\n <tr><td>W<\/td><td>Polyester braid reinforcement<\/td><td>Webung (braid)<\/td><\/tr>\n <tr><td>\u00d6<\/td><td>Oil-resistant outer sheath<\/td><td>\u00d6lbest\u00e4ndig<\/td><\/tr>\n <tr><td>U<\/td><td>Elastomeric (rubber\/PUR) outer sheath material<\/td><td>Umh\u00fcllung<\/td><\/tr>\n <tr><td>H<\/td><td>Halogen-free construction<\/td><td>Halogenfrei<\/td><\/tr>\n <tr><td>M<\/td><td>Mining-specific construction<\/td><td>Mining<\/td><\/tr>\n <tr><td>LWL<\/td><td>Fiber optic elements included<\/td><td>Lichtwellenleiter<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n\n <span class=\"eq\">Example: (N)TSCGEW\u00d6U = N(ational) + T(railing) + SC(semiconductive screen) + GE(ground conductors) + W(polyester braid) + \u00d6(oil-resistant) + U(elastomeric sheath)<br>Reading from cable center \u2192 outer sheath: screen \u2192 ground \u2192 braid \u2192 sheath<\/span>\n\n <h3>Common VDE 0250 Reeling Cable Designations<\/h3>\n\n <p><strong>(N)SHT\u00d6U \/ NSHT\u00d6U:<\/strong> Tough rubber-sheathed drum reeling cable. The “SH” indicates heavy-duty (Strapazierf\u00e4hig) with central supporting core (H = Haltelement). This is the classic low-voltage crane and material handling reeling cable, rated 0.6\/1kV per VDE 0250-814.<\/p>\n\n <p><strong>(N)SSH\u00d6U \/ NSSH\u00d6U:<\/strong> Special heavy-duty rubber-sheathed cable per VDE 0250-812. The double “SS” indicates enhanced mechanical protection for mining, quarrying, and tunneling applications. These cables can be permanently submerged to 100 meters depth.<\/p>\n\n <p><strong>(N)TSCGEW\u00d6U:<\/strong> Round medium-voltage reeling cable per VDE 0250-813. The full designation indicates semiconductive screen, distributed ground conductors, polyester braid reinforcement, and oil-resistant elastomeric sheath. Rated 6\/10kV to 18\/30kV for large mining shovels and draglines.<\/p>\n\n <p><strong>(N)TSKCGEW\u00d6U:<\/strong> Same as above but with “K” \u2014 cradle separator with Kevlar (aramid) reinforcement for enhanced tensile strength in vertical reeling applications or extra-long cable runs exceeding 200 meters.<\/p>\n\n\n <h2 id=\"s3\">3. What Are the Voltage Sub-Standards? VDE 0250-812 vs 813 vs 814<\/h2>\n\n <div class=\"tw\">\n <caption>Table 2 \u2014 VDE 0250 Voltage Sub-Standards for Reeling and Trailing Cables<\/caption>\n <table>\n <thead><tr><th>Sub-Standard<\/th><th>Voltage Range<\/th><th>Cable Types<\/th><th>Primary Applications<\/th><\/tr><\/thead>\n <tbody>\n <tr><td>VDE 0250-812<\/td><td>Up to 0.6\/1kV<\/td><td>NSSH\u00d6U, (N)SH\u00d6U, NSSHCGEOEU<\/td><td>Mining power supply, tunneling, submersible applications (to 100m)<\/td><\/tr>\n <tr><td>VDE 0250-813<\/td><td>3.6\/6kV to 18\/30kV<\/td><td>(N)TSCGEW\u00d6U, (N)TSKCGEW\u00d6U, TENAX-PUR<\/td><td>Mining shovels, draglines, large cranes, stacker-reclaimers<\/td><\/tr>\n <tr><td>VDE 0250-814<\/td><td>0.6\/1kV<\/td><td>NSHT\u00d6U, (N)7YRDG\u00d6U, festoon cables<\/td><td>Crane drum reeling, festoon systems, building machinery, conveyors<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n\n <p><strong>VDE 0250-812<\/strong> covers heavy-duty cables for the most demanding mechanical environments \u2014 mining, quarrying, and tunneling \u2014 where cables face crushing, impact, abrasion, and chemical attack from mine water. The double-S (SS) designation indicates enhanced mechanical protection. These cables can operate permanently submerged in fresh water, salt water, oily water, and sewage-contaminated water to depths of 100 meters.<\/p>\n\n <p><strong>VDE 0250-813<\/strong> is the critical medium-voltage sub-standard for large mobile mining equipment. It specifies insulation systems, semiconductive screens, and sheath requirements for cables operating at 6\/10kV, 12\/20kV, and 18\/30kV \u2014 voltages required by mining shovels, draglines, and large stacker-reclaimers. The mechanical requirements are the most demanding in the entire VDE 0250 series: cables must survive continuous reeling under high tensile loads while maintaining dielectric integrity at medium voltage.<\/p>\n\n <p><strong>VDE 0250-814<\/strong> covers the broadest range of low-voltage reeling applications \u2014 crane drums, festoon systems, building machinery, conveyors, and material handling. The NSHT\u00d6U cable type under this sub-standard is arguably the most widely deployed reeling cable in the world, serving everything from small workshop cranes to massive STS port cranes.<\/p>\n\n\n <h2 id=\"s4\">4. How Is a VDE 0250 Reeling Cable Constructed?<\/h2>\n\n <p>A VDE 0250 reeling cable is a multi-layer structure where every component is optimized for the unique stress combination of drum reeling: simultaneous tension + bending + torsion, applied repetitively over millions of cycles.<\/p>\n\n <p><strong>Layer 1 \u2014 Central Supporting Element:<\/strong> At the cable center sits an aramid fiber (Kevlar) strength member or a textile supporting core. In the NSHT\u00d6U-SM variant (SM = supporting member), this central element absorbs the tensile forces from the reeling drum, preventing these forces from reaching the electrical conductors. For (N)TSKCGEW\u00d6U cables, the “K” designates a full aramid cradle separator that both absorbs tension and maintains core geometry during dynamic flexing.<\/p>\n\n <p><strong>Layer 2 \u2014 Conductors:<\/strong> Flexible Class 5 tinned copper conductors per IEC 60228 \/ VDE 0295, stranded in rope-lay construction with optimized short lay lengths. The fine-wire stranding distributes bending stress across hundreds of individual wires, dramatically extending fatigue life compared to standard stranding. Tinning prevents oxidation at termination points \u2014 particularly important in marine and tropical environments.<\/p>\n\n <p><strong>Layer 3 \u2014 Insulation:<\/strong> Ethylene Propylene Rubber (EPR) type 3GI3 per DIN VDE 0207 Part 20. This specific EPR compound provides the flexibility, dielectric strength, and thermal stability required for reeling service. For medium-voltage cables per VDE 0250-813, triple extrusion applies the inner semiconductive layer, insulation, and outer semiconductive layer simultaneously for void-free construction.<\/p>\n\n <p><strong>Layer 4 \u2014 Semiconductive Screen (MV cables):<\/strong> Bonded semiconductive rubber layer over each insulated power core, providing uniform electrical field distribution. The bonded construction eliminates air gaps that would concentrate electrical stress and initiate partial discharge under medium-voltage operation.<\/p>\n\n <p><strong>Layer 5 \u2014 Ground Conductors (GE designation):<\/strong> Distributed earth conductors wound over the insulation of each power core, providing fault-current return path and enabling ground-fault protection. This “GE” construction is specific to VDE 0250 mining and crane cables.<\/p>\n\n <p><strong>Layer 6 \u2014 Polyester Braid Reinforcement (W designation):<\/strong> A woven polyester braid embedded beneath the outer sheath provides anti-torsion resistance and additional tensile strength. This braid distributes torsional forces uniformly around the cable circumference, preventing the Z-kinking (corkscrew effect) that destroys standard cables during multi-layer drum winding.<\/p>\n\n <p><strong>Layer 7 \u2014 Outer Sheath:<\/strong> Synthetic thermosetting compound type 5GM3 per DIN VDE 0207 Part 21 \u2014 the standard VDE mining\/reeling sheath compound \u2014 or polyurethane (PUR) for enhanced abrasion and hydrolysis resistance. The sheath provides flame retardancy, oil resistance, UV resistance, and mechanical protection. Thickness ranges from 2.5mm (low-voltage crane cables) to 5.0mm (medium-voltage mining cables).<\/p>\n\n <span class=\"eq\">VDE 0250 Reeling Cable Construction (Center \u2192 Outside):<br>Aramid Core \u2192 Class 5 Tinned Cu Conductors \u2192 EPR 3GI3 Insulation \u2192 Semiconductive Screen \u2192 GE Ground Conductors \u2192 Polyester Braid \u2192 5GM3\/PUR Outer Sheath<\/span>\n\n\n <h2 id=\"s5\">5. What Insulation and Sheath Compounds Does VDE 0250 Specify?<\/h2>\n\n <div class=\"tw\">\n <caption>Table 3 \u2014 VDE 0250 Insulation and Sheath Material Specifications<\/caption>\n <table>\n <thead><tr><th>Component<\/th><th>VDE Compound Type<\/th><th>Material<\/th><th>Key Properties<\/th><\/tr><\/thead>\n <tbody>\n <tr><td>Power Core Insulation<\/td><td class=\"g\">3GI3 (DIN VDE 0207 Part 20)<\/td><td>EPR (Ethylene Propylene Rubber)<\/td><td>Dielectric strength, flexibility, 90\u00b0C continuous, ozone resistant<\/td><\/tr>\n <tr><td>Inner Sheath \/ Bedding<\/td><td>GM1b (DIN VDE 0207 Part 21)<\/td><td>Synthetic thermosetting rubber<\/td><td>Mechanical protection, thermal barrier between core and outer sheath<\/td><\/tr>\n <tr><td>Outer Sheath (Standard)<\/td><td class=\"g\">5GM3 (DIN VDE 0207 Part 21)<\/td><td>Synthetic thermosetting elastomer<\/td><td>Tensile \u226510 N\/mm\u00b2, elongation \u2265300%, flame retardant, oil resistant<\/td><\/tr>\n <tr><td>Outer Sheath (Enhanced)<\/td><td>5GM5<\/td><td>Enhanced synthetic elastomer<\/td><td>Tensile \u226515 N\/mm\u00b2, elongation \u2265300%, tear resistance \u226530 N\/mm<\/td><\/tr>\n <tr><td>Outer Sheath (PUR)<\/td><td>Feichun proprietary<\/td><td>Polyether-based polyurethane<\/td><td>Superior abrasion, hydrolysis resistance, UV stability, \u221250\u00b0C flexibility<\/td><\/tr>\n <tr><td>Semiconductive Layer<\/td><td>Per VDE 0207<\/td><td>Carbon-filled rubber<\/td><td>Resistivity \u2264200 \u03a9\u00b7m, bonded to insulation for void-free construction<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n\n <p>The VDE compound designation system uses a structured code: the first digit indicates the compound category (3 = insulation, 5 = sheath), the letters indicate the base polymer type (G = general rubber, GM = thermosetting elastomer, GI = insulating rubber), and the final digit indicates the specific formulation grade within that category. Type 5GM3 is the standard heavy-duty sheath compound for VDE 0250 mining and reeling cables, with minimum tensile strength of 10 N\/mm\u00b2 and minimum elongation at break of 300%. Type 5GM5 is the enhanced variant with 50% higher tensile strength (15 N\/mm\u00b2) for extreme mechanical stress applications.<\/p>\n\n <p class=\"cn\">VDE 0250 \u6307\u5b9a\u4e86\u7cbe\u786e\u7684\u6750\u6599\u914d\u65b9\u4f53\u7cfb\uff1a\u7edd\u7f18\u4f7f\u7528 3GI3 \u578b EPR\uff08\u4e59\u4e19\u6a61\u80f6\uff09\uff0c\u6807\u51c6\u5916\u62a4\u5957\u4f7f\u7528 5GM3 \u578b\u5408\u6210\u70ed\u56fa\u5f39\u6027\u4f53\uff08\u6297\u62c9 \u226510 N\/mm\u00b2\uff09\uff0c\u589e\u5f3a\u5916\u62a4\u5957\u4f7f\u7528 5GM5 \u578b\uff08\u6297\u62c9 \u226515 N\/mm\u00b2\uff09\u3002\u98de\u7eaf\u7535\u7f06\u5728\u6b64\u6807\u51c6\u914d\u65b9\u4f53\u7cfb\u57fa\u7840\u4e0a\u8fdb\u4e00\u6b65\u81ea\u4e3b\u5f00\u53d1\u805a\u919a\u578b PUR \u62a4\u5957\u914d\u65b9\u2014\u2014\u63d0\u4f9b\u6807\u51c6 VDE \u5f39\u6027\u4f53\u62a4\u5957\u6240\u4e0d\u5177\u5907\u7684\u6297\u6c34\u89e3\u6027\u80fd\uff0c\u7279\u522b\u9002\u7528\u4e8e\u70ed\u5e26\u6e2f\u53e3\u548c\u77ff\u5c71\u73af\u5883\u3002<\/p>\n\n\n <h2 id=\"s6\">6. What Is Anti-Torsion Engineering and Why Does It Matter?<\/h2>\n\n <p><strong>The problem \u2014 the corkscrew effect (Z-kinking):<\/strong> When a cable winds onto a drum in multiple layers, each successive layer introduces a small angular twist. Over hundreds of meters of cable and dozens of winding layers, this twist accumulates. Without anti-torsion engineering, the accumulated twist causes the cable to deform into a corkscrew shape \u2014 called Z-kinking \u2014 that jams on the drum, damages the cable structure, and causes conductor breakage. The corkscrew effect is the single most common failure mode of non-VDE-compliant cables used in reeling applications.<\/p>\n\n <p><strong>The VDE 0250 solution \u2014 integrated anti-torsion design:<\/strong> VDE 0250 reeling cables incorporate multiple anti-torsion features working together. Cross-spiral core lay-up uses alternating left-hand and right-hand lay in successive core layers, balancing the torsional forces that develop during winding. Polyester braid reinforcement (the “W” in the VDE designation) distributes torsional loads uniformly around the cable circumference. Short lay lengths minimize the angular twist introduced per meter of cable per winding layer. And in the NSHT\u00d6U-SM and (N)TSKCGEW\u00d6U variants, the central aramid supporting member provides a torsionally neutral core around which the cable structure is assembled.<\/p>\n\n <p>Feichun Cable’s BUFLEX-M series incorporates all four anti-torsion features as standard construction, plus a proprietary embedded synthetic braid that Feichun has optimized for the specific lay geometries used in its cable constructions. This braid is not a purchased component \u2014 it is designed and specified by Feichun’s cable engineering team to match the torsional characteristics of each specific BUFLEX-M configuration.<\/p>\n\n\n <h2 id=\"s7\">7. Feichun Cable VDE 0250 Product Lines: Complete Overview<\/h2>\n\n <div class=\"tw\">\n <caption>Table 4 \u2014 Feichun Cable VDE 0250 Product Line Summary<\/caption>\n <table>\n <thead><tr><th>Product Line<\/th><th>VDE Sub-Standard<\/th><th>Voltage<\/th><th>Sheath<\/th><th>Primary Application<\/th><th>Key Feichun Feature<\/th><\/tr><\/thead>\n <tbody>\n <tr><td class=\"g\">BUFLEX-M Series<\/td><td>0250-813 \/ 0250-814<\/td><td>0.6\/1kV \u2013 6.6\/6.6kV<\/td><td class=\"g\">Proprietary PUR (polyether-based)<\/td><td>Port cranes, drilling rigs, stacker-reclaimers<\/td><td>Hydrolysis-resistant PUR; tropical-optimized<\/td><\/tr>\n <tr><td>NSHT\u00d6U Equivalent<\/td><td>0250-814<\/td><td>0.6\/1kV<\/td><td>5GM3 \/ PCP elastomer<\/td><td>Crane drum reeling, festoon systems<\/td><td>Anti-torsion braid + central support<\/td><\/tr>\n <tr><td>NSSH\u00d6U Equivalent<\/td><td>0250-812<\/td><td>0.6\/1kV<\/td><td>5GM3 \/ 5GM5 elastomer<\/td><td>Mining, tunneling, submersible to 100m<\/td><td>Enhanced crush and impact resistance<\/td><\/tr>\n <tr><td>(N)TSCGEW\u00d6U Equiv.<\/td><td>0250-813<\/td><td>6\/10kV \u2013 18\/30kV<\/td><td>5GM3 \/ 5GM5 elastomer<\/td><td>Mining shovels, draglines, large cranes<\/td><td>Triple-extruded SC screen; void-free<\/td><\/tr>\n <tr><td class=\"g\">TENAX-PUR<\/td><td>0250-813<\/td><td>6\/10kV<\/td><td class=\"g\">PUR (to \u221250\u00b0C)<\/td><td>Extreme-cold mining, Arctic operations<\/td><td>PUR for \u221250\u00b0C; luminous sheath option<\/td><\/tr>\n <tr><td>(N)TMCGEH3S<\/td><td>Based on 0250<\/td><td>0.6\/1kV \u2013 6.6kV<\/td><td>Transparent TPU<\/td><td>Underground LHDs with LED visibility<\/td><td>Active LED illumination in cable sheath<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n\n\n <h2 id=\"s8\">8. BUFLEX-M Series: PUR-Sheathed Reeling Cables for Cranes and Drilling<\/h2>\n\n <p>The BUFLEX-M is Feichun Cable’s flagship reeling cable product \u2014 a VDE 0250-compliant design that replaces the standard 5GM3 elastomeric sheath with Feichun’s proprietary polyether-based polyurethane (PUR) formulation. This material substitution addresses a specific field performance gap: standard VDE elastomeric sheaths, while mechanically excellent, have higher water absorption rates (typically 1.5\u20133%) and are more susceptible to hydrolytic degradation in tropical marine and mining environments than PUR.<\/p>\n\n <div class=\"tw\">\n <caption>Table 5 \u2014 BUFLEX-M Series Specifications<\/caption>\n <table>\n <thead><tr><th>Parameter<\/th><th>Specification<\/th><th>Feichun Engineering Advantage<\/th><\/tr><\/thead>\n <tbody>\n <tr><td>Voltage Range<\/td><td>0.6\/1kV \u2013 6.6\/6.6kV<\/td><td>Full LV and MV coverage<\/td><\/tr>\n <tr><td>Conductor<\/td><td class=\"g\">Tinned Cu, Class 5 (IEC 60228)<\/td><td>Fine-wire fatigue optimization + oxidation protection<\/td><\/tr>\n <tr><td>Insulation<\/td><td>EPR type 3GI3 \/ XLPE (voltage-dependent)<\/td><td>Hydrolysis-resistant option for tropical applications<\/td><\/tr>\n <tr><td>Strength Member<\/td><td class=\"g\">Aramid fiber (Kevlar) central core<\/td><td>Absorbs drum tension; prevents conductor fatigue<\/td><\/tr>\n <tr><td>Anti-Torsion<\/td><td class=\"g\">Embedded synthetic braid (Feichun-designed)<\/td><td>Custom-matched to cable lay geometry<\/td><\/tr>\n <tr><td>Outer Sheath<\/td><td class=\"g\">Proprietary polyether-based PUR<\/td><td>Tear + hydrolysis + UV resistant; NOT purchased compound<\/td><\/tr>\n <tr><td>Min. Bending Radius<\/td><td>6\u00d7D (fixed) \/ 8\u00d7D (dynamic)<\/td><td>Verified for >1 million bending cycles<\/td><\/tr>\n <tr><td>Temperature<\/td><td>\u221240\u00b0C to +80\u00b0C (sheath); 90\u00b0C (conductor)<\/td><td>PUR flexibility maintained to \u221240\u00b0C<\/td><\/tr>\n <tr><td>Travel Speed<\/td><td>Up to 200 m\/min (festoon); 60 m\/min (drum)<\/td><td>Anti-torsion prevents heat buildup at speed<\/td><\/tr>\n <tr><td>Oil Resistance<\/td><td>Mineral oils, hydraulic fluids, diesel<\/td><td>PUR inherent oil resistance; essential for port\/rig environments<\/td><\/tr>\n <tr><td>Flame Retardancy<\/td><td>IEC 60332-1<\/td><td>Self-extinguishing<\/td><\/tr>\n <tr><td>Typical Config<\/td><td>3\u00d7120+3G25+2\u00d71\u00d71.5mm\u00b2 (drilling rig example)<\/td><td>Three power + three ground + two pilot cores<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n\n <p><strong>Why PUR instead of standard 5GM3?<\/strong> SAB Br\u00f6ckskes, a leading German cable component manufacturer, documents that polyester-based polyurethane undergoes chemical weakening after prolonged exposure to warm water or tropical climates, while polyether-based PUR maintains mechanical strength under these conditions. Feichun Cable’s BUFLEX-M uses exclusively polyether-based PUR, formulated in-house with application-specific tear resistance additives, UV stabilizers, and low-friction surface modifiers. The resulting compound combines the standard VDE mechanical performance requirements with tropical durability that standard 5GM3 sheaths cannot match.<\/p>\n\n <p class=\"cn\">BUFLEX-M \u7528\u98de\u7eaf\u81ea\u4e3b\u914d\u65b9\u7684\u805a\u919a\u578b PUR \u66ff\u4ee3\u6807\u51c6 VDE 5GM3 \u5f39\u6027\u4f53\u62a4\u5957\u3002SAB Br\u00f6ckskes\uff08\u5fb7\u56fd\u9886\u5148\u7535\u7f06\u7ec4\u4ef6\u5236\u9020\u5546\uff09\u660e\u786e\u8bb0\u5f55\uff1a\u805a\u916f\u578b\u805a\u6c28\u916f\u5728\u70ed\u5e26\u6c14\u5019\u957f\u671f\u66b4\u9732\u540e\u4f1a\u53d1\u751f\u5316\u5b66\u5f31\u5316\uff0c\u800c\u805a\u919a\u578b PUR \u5728\u76f8\u540c\u6761\u4ef6\u4e0b\u4fdd\u6301\u673a\u68b0\u5f3a\u5ea6\u3002\u98de\u7eaf BUFLEX-M \u7684 PUR \u914d\u65b9\u5728\u6807\u51c6 VDE \u673a\u68b0\u6027\u80fd\u57fa\u7840\u4e0a\u589e\u52a0\u4e86\u6807\u51c6 5GM3 \u62a4\u5957\u6240\u4e0d\u5177\u5907\u7684\u70ed\u5e26\u8010\u4e45\u6027\u2014\u2014\u8fd9\u662f\u81ea\u4e3b\u9ad8\u5206\u5b50\u914d\u65b9\u7814\u53d1\u7684\u76f4\u63a5\u4ea7\u7269\u3002<\/p>\n\n\n <h2 id=\"s9\">9. NSHT\u00d6U and NSSH\u00d6U Equivalents: Heavy-Duty Rubber-Sheathed Cables<\/h2>\n\n <p><strong>NSHT\u00d6U equivalent (VDE 0250-814):<\/strong> Feichun’s NSHT\u00d6U-equivalent cables are tough rubber-sheathed drum reeling cables rated 0.6\/1kV, designed for crane, conveyor, and material handling applications where cables undergo frequent winding and unwinding with simultaneous tensile and torsional stress. The cables feature Class 5 tinned copper conductors, EPR type 3GI3 insulation, polyester braid reinforcement, and 5GM3 elastomeric outer sheath. The NSHT\u00d6U-SM variant includes a central supporting core (aramid or textile) for vertical reeling applications \u2014 such as tower crane cable drums \u2014 where gravitational loading adds to the tensile stress profile.<\/p>\n\n <p><strong>NSSH\u00d6U equivalent (VDE 0250-812):<\/strong> Feichun’s NSSH\u00d6U-equivalent cables are special heavy-duty cables for mining, quarrying, and tunneling environments. The double-S designation indicates enhanced mechanical protection \u2014 these cables can be permanently submerged in fresh water, salt water, oily water, and sewage-contaminated water to depths of 100 meters. The sheath uses 5GM5 compound (tensile strength \u226515 N\/mm\u00b2) rather than the standard 5GM3 (\u226510 N\/mm\u00b2), providing 50% higher tear resistance for mining ground-contact applications. NSSH\u00d6U cables are flame retardant, UV resistant, and resistant to oils, greases, and acidic mine water.<\/p>\n\n <div class=\"note blue\">\n <div class=\"nt\">Important Distinction<\/div>\n <p>NSSH\u00d6U cables are designed for power supply applications with high mechanical stress \u2014 but they are <strong>NOT<\/strong> suitable for drum reeling applications under sustained tensile loads. For drum reeling with tensile stress, specify NSHT\u00d6U (with central supporting core) or BUFLEX-M (with aramid strength member). The distinction is critical: NSSH\u00d6U provides sheath toughness for ground contact; NSHT\u00d6U\/BUFLEX-M provides tensile and torsion management for drum winding.<\/p>\n <\/div>\n\n\n <h2 id=\"s10\">10. (N)TSCGEW\u00d6U Equivalent: Medium-Voltage Reeling Cables<\/h2>\n\n <p>Feichun’s (N)TSCGEW\u00d6U equivalent cables are round medium-voltage reeling cables rated 6\/10kV to 18\/30kV per VDE 0250-813 \u2014 the highest-voltage reeling cables in the VDE system. These cables power the largest mobile mining equipment in the world: electric rope shovels, walking draglines, large stacker-reclaimers, and bucket wheel excavators.<\/p>\n\n <p><strong>Construction highlights:<\/strong> Triple-extruded power cores (inner semiconductive layer + EPR insulation + outer semiconductive layer applied simultaneously for void-free dielectric integrity), distributed ground conductors wound over each core’s screen, aramid-reinforced cradle separator (the “K” variant), polyester braid anti-torsion reinforcement, and heavy-duty 5GM5 outer sheath. The cable typically carries three power cores, two earth cores, and one pilot\/ground-check conductor, with fiber optic data elements available as an option (LWL designation).<\/p>\n\n <p><strong>Mechanical requirements at medium voltage:<\/strong> VDE 0250-813 cables must maintain dielectric integrity at 6kV, 10kV, or higher while simultaneously withstanding the mechanical stresses of reeling service. This dual requirement \u2014 electrical and mechanical \u2014 makes MV reeling cables among the most technically demanding cable products manufactured. The triple extrusion process is critical: any void or contamination in the insulation system creates a partial discharge site that will eventually lead to dielectric failure. Feichun’s extrusion lines use closed-loop diameter and eccentricity monitoring to ensure void-free construction on every meter of cable produced.<\/p>\n\n\n <h2 id=\"s11\">11. TENAX-PUR: Extreme-Condition Mining Cables<\/h2>\n\n <p>TENAX-PUR is Feichun Cable’s specialized medium-voltage trailing cable line for the most extreme mining environments \u2014 PUR-sheathed, operational to \u221250\u00b0C, available with active LED luminous sheath technology for night-shift visibility in open-pit operations. Manufactured to DIN VDE 0250-813 at 6\/10kV rating.<\/p>\n\n <p><strong>Why PUR for medium-voltage mining?<\/strong> Traditional 5GM3\/5GM5 elastomeric sheaths become stiff and brittle below \u221225\u00b0C, risking sheath cracking during cable handling and reeling. PUR maintains full flexibility to \u221250\u00b0C, enabling operations in Siberian, Canadian Arctic, Scandinavian, and high-altitude Andean mining environments where winter temperatures reach \u221240\u00b0C to \u221250\u00b0C. PUR also provides superior abrasion resistance compared to standard elastomeric sheaths \u2014 critical for large surface mining equipment where cables are dragged across rocky pit floors.<\/p>\n\n <p><strong>Luminous sheath option:<\/strong> The TENAX-PUR (N)TSCGEH3S variant features active LED light elements helically stranded beneath a transparent TPU outer sheath, providing 360\u00b0 cable visibility in the permanent darkness of underground mines or during night-shift surface operations. This feature addresses a documented safety problem: cable run-over accidents by haul trucks in open-pit mines account for a significant proportion of cable damage events, many of which could be prevented by improved cable visibility.<\/p>\n\n <p class=\"cn\">TENAX-PUR \u662f\u98de\u7eaf\u7535\u7f06\u4e3a\u6781\u7aef\u91c7\u77ff\u73af\u5883\u8bbe\u8ba1\u7684\u4e13\u7528\u4e2d\u538b\u62d6\u66f3\u7535\u7f06\u2014\u2014PUR \u62a4\u5957\u5728\u221250\u00b0C\u4fdd\u6301\u67d4\u97e7\u6027\uff0c\u9002\u7528\u4e8e\u897f\u4f2f\u5229\u4e9a\u3001\u52a0\u62ff\u5927\u5317\u6781\u3001\u5b89\u7b2c\u65af\u9ad8\u6d77\u62d4\u77ff\u5c71\u7b49\u6807\u51c6\u5f39\u6027\u4f53\u62a4\u5957\u4f1a\u53d8\u8106\u5f00\u88c2\u7684\u73af\u5883\u3002\u53ef\u9009\u7684 LED \u53d1\u5149\u62a4\u5957\u6280\u672f\u63d0\u4f9b360\u00b0\u7535\u7f06\u53ef\u89c1\u6027\uff0c\u89e3\u51b3\u9732\u5929\u77ff\u591c\u95f4\u4f5c\u4e1a\u4e2d\u77ff\u5361\u78be\u538b\u7535\u7f06\u7684\u5b89\u5168\u9690\u60a3\u3002<\/p>\n\n\n <h2 id=\"s12\">12. Which Equipment Uses VDE 0250 Reeling Cables?<\/h2>\n\n <div class=\"tw\">\n <caption>Table 6 \u2014 Equipment-to-Feichun VDE 0250 Product Compatibility Matrix<\/caption>\n <table>\n <thead><tr><th>Equipment<\/th><th>Cable Motion<\/th><th>Voltage<\/th><th>Feichun Product<\/th><th>VDE Sub-Standard<\/th><\/tr><\/thead>\n <tbody>\n <tr><td>STS Port Crane<\/td><td>Drum reeling \/ festoon<\/td><td>0.6\/1kV \u2013 6kV<\/td><td class=\"g\">BUFLEX-M (PUR)<\/td><td>0250-813 \/ 0250-814<\/td><\/tr>\n <tr><td>RTG Port Crane<\/td><td>Drum reeling<\/td><td>0.6\/1kV<\/td><td class=\"g\">BUFLEX-M (PUR)<\/td><td>0250-814<\/td><\/tr>\n <tr><td>Tower Crane<\/td><td>Vertical drum reeling<\/td><td>0.6\/1kV<\/td><td>NSHT\u00d6U-SM equiv.<\/td><td>0250-814<\/td><\/tr>\n <tr><td>Stacker-Reclaimer<\/td><td>Horizontal drum reeling<\/td><td>0.6\/1kV \u2013 6kV<\/td><td class=\"g\">BUFLEX-M (PUR)<\/td><td>0250-813 \/ 0250-814<\/td><\/tr>\n <tr><td>Drilling Rig (Reel-Mounted)<\/td><td>Drum reeling<\/td><td>0.6\/1kV<\/td><td class=\"g\">BUFLEX-M (PUR)<\/td><td>0250-814<\/td><\/tr>\n <tr><td>Spreader Basket (STS)<\/td><td>Vertical high-speed reeling<\/td><td>0.6\/1kV<\/td><td>NSHT\u00d6U-J equiv.<\/td><td>0250-814<\/td><\/tr>\n <tr><td>Mining Shovel (Surface)<\/td><td>Trailing on pit floor<\/td><td>6\/10kV \u2013 18\/30kV<\/td><td>(N)TSCGEW\u00d6U equiv.<\/td><td>0250-813<\/td><\/tr>\n <tr><td>Dragline<\/td><td>Trailing on pit floor<\/td><td>6\/10kV \u2013 18\/30kV<\/td><td>TENAX-PUR<\/td><td>0250-813<\/td><\/tr>\n <tr><td>Underground LHD<\/td><td>Trailing in decline<\/td><td>0.6\/1kV \u2013 6.6kV<\/td><td>(N)TMCGEH3S (LED)<\/td><td>Based on 0250<\/td><\/tr>\n <tr><td>Tunnel Boring Machine<\/td><td>Trailing \/ semi-static<\/td><td>6\/10kV<\/td><td>NSSHCGEOEU equiv.<\/td><td>0250-812 \/ 0250-813<\/td><\/tr>\n <tr><td>ASRS \/ Transfer Car<\/td><td>Drum reeling \/ festoon<\/td><td>0.6\/1kV<\/td><td>NSHT\u00d6U equiv.<\/td><td>0250-814<\/td><\/tr>\n <tr><td>Conveyor (Mobile)<\/td><td>Festoon \/ trailing<\/td><td>0.6\/1kV<\/td><td>NSHT\u00d6U \/ NSSH\u00d6U equiv.<\/td><td>0250-812 \/ 0250-814<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n\n\n <h2 id=\"s13\">13. What Makes Feichun’s VDE 0250 Cables Different? The Polymer R&D Advantage<\/h2>\n\n <p>Most VDE 0250 cable manufacturers worldwide \u2014 including many well-known European brands \u2014 purchase their 3GI3 insulation and 5GM3\/5GM5 sheath compounds from third-party chemical suppliers as pre-mixed pellets. The factory extrudes these purchased compounds onto conductors, performs standard quality checks, and delivers the finished cable. The cable meets VDE 0250 mechanical and electrical requirements because the purchased compound was formulated by the chemical supplier to meet those requirements.<\/p>\n\n <p><strong>Feichun Cable takes a different approach.<\/strong> Our polymer R&D laboratory develops sheath and insulation compounds from base raw materials \u2014 base polymers, plasticizers, cross-linking agents, mineral fillers, UV stabilizers, and application-specific additives. This allows us to meet or exceed all VDE 0250 mechanical and electrical requirements while simultaneously optimizing for specific operating environments that the standard VDE compound specifications do not address:<\/p>\n\n <p><strong>Tropical port environments (BUFLEX-M PUR):<\/strong> Standard 5GM3 sheaths absorb 1.5\u20133% moisture by mass in humid tropical conditions. Feichun’s polyether-based PUR absorbs less than 0.8% under identical conditions. For STS cranes operating in Southeast Asian ports with 85%+ year-round humidity and salt spray exposure, this difference directly translates to extended sheath life and reduced moisture ingress to internal cable components.<\/p>\n\n <p><strong>Acidic mining environments (CPE variants):<\/strong> Standard PCP (polychloroprene) sheaths are susceptible to degradation from acidic mine water (pH 2.5\u20134.0) and biological colonization in tropical mines. Feichun’s CPE sheath compounds are formulated for acid resistance to pH 2.5 and include anti-fungal additives \u2014 addressing failure modes that standard VDE sheath specifications do not anticipate because they were developed for temperate European operating conditions.<\/p>\n\n <p><strong>Extreme cold environments (TENAX-PUR):<\/strong> Standard 5GM3 sheaths become stiff below \u221225\u00b0C. Feichun’s PUR formulation maintains full flexibility to \u221250\u00b0C \u2014 a 25\u00b0C improvement that enables mining operations in arctic and high-altitude environments where standard VDE cables would crack during handling.<\/p>\n\n <span class=\"eq\">Feichun VDE 0250 = Full VDE 0250 Compliance + Proprietary Polymer Optimization for Specific Operating Environments<br>Standard VDE Compound \u2192 Meets Specification | Feichun Compound \u2192 Exceeds Specification Where Your Site Needs It Most<\/span>\n\n\n <h2 id=\"s14\">14. Tropical Port and Mining Considerations<\/h2>\n\n <p>More than 35% of new mining infrastructure investment is in Asia-Pacific according to industry market research, and many of the world’s largest container ports operate in tropical climates \u2014 Singapore, Jakarta, Ho Chi Minh City, Manila, Colombo, Mombasa. These environments create cable degradation challenges that VDE 0250, designed primarily for European temperate conditions, does not fully anticipate.<\/p>\n\n <p><strong>The hydrolysis threat:<\/strong> Polyester-based elastomeric sheaths \u2014 including some compounds used in standard 5GM3 formulations \u2014 contain ester linkages vulnerable to hydrolytic breakdown in warm, humid conditions. Hydrolysis rate approximately doubles every 10\u00b0C temperature increase. At 35\u201345\u00b0C tropical ambient (versus 15\u201325\u00b0C European temperate), the hydrolysis rate is 2\u20134\u00d7 faster, potentially halving the expected sheath life. Feichun’s polyether-based PUR eliminates ester linkages entirely, providing inherent hydrolysis resistance.<\/p>\n\n <p><strong>The UV threat:<\/strong> Tropical UV intensity is approximately 2\u00d7 higher than at European latitudes. Standard black elastomeric sheaths provide good UV resistance through carbon black pigmentation, but colored sheaths (yellow, orange \u2014 common for high-visibility safety compliance) are more vulnerable unless specifically formulated with UV stabilizers. Feichun’s PUR compounds include application-specific UV stabilizer packages for all sheath colors, validated through accelerated UV aging tests.<\/p>\n\n <p><strong>The salt spray threat:<\/strong> Port crane cables in tropical marine environments are exposed to continuous salt spray, which accelerates corrosion at cable terminations and any point where the sheath is damaged. Tinned copper conductors (standard in all Feichun VDE 0250 products) provide the primary defense; the low-moisture-absorption PUR sheath provides the secondary defense by minimizing the amount of salt-laden moisture that reaches the internal cable structure.<\/p>\n\n\n <h2 id=\"s15\">15. How to Select the Right Feichun VDE 0250 Reeling Cable<\/h2>\n\n <div class=\"note blue\">\n <div class=\"nt\">Selection Guide<\/div>\n <p><strong>Step 1 \u2014 Application type:<\/strong> Drum reeling \u2192 BUFLEX-M or NSHT\u00d6U. Festoon \u2192 BUFLEX-M or NSHT\u00d6U. Ground trailing (mining) \u2192 (N)TSCGEW\u00d6U or TENAX-PUR. Submersible \u2192 NSSH\u00d6U.<\/p>\n <p><strong>Step 2 \u2014 Voltage:<\/strong> 0.6\/1kV \u2192 VDE 0250-812 or 0250-814 products. 6\/10kV to 18\/30kV \u2192 VDE 0250-813 products.<\/p>\n <p><strong>Step 3 \u2014 Environment:<\/strong> Temperate, dry \u2192 Standard 5GM3 sheath. Tropical, humid, marine \u2192 BUFLEX-M PUR sheath. Extreme cold (below \u221225\u00b0C) \u2192 TENAX-PUR sheath. Acidic mine water \u2192 Feichun CPE variant.<\/p>\n <p><strong>Step 4 \u2014 Tensile requirements:<\/strong> High-tensile reeling (long cable runs, vertical reeling) \u2192 Specify “K” (Kevlar\/aramid cradle) or BUFLEX-M with aramid central core. Standard reeling \u2192 Polyester braid reinforcement sufficient.<\/p>\n <p><strong>Step 5 \u2014 Verify drum compatibility:<\/strong> Confirm cable OD fits drum width. Verify minimum bending radius (8\u00d7D dynamic) against drum diameter. Calculate fleet angle to ensure smooth winding.<\/p>\n <\/div>\n\n <p>For application-specific cable selection assistance, contact Feichun Cable’s engineering team with your equipment model, operating voltage, drum dimensions, environmental conditions (temperature range, humidity, chemical exposure), and cable run length. Our engineers will recommend the specific product, conductor size, and construction variant optimized for your installation.<\/p>\n\n\n <h2 id=\"s16\">16. References and Further Reading<\/h2>\n <p style=\"font-size:.82rem;color:var(--c-tertiary);margin-bottom:1rem;\">Sources referenced in this guide.<\/p>\n\n <h3 style=\"font-weight:600;font-size:.92rem;color:var(--c-body);margin:1.4rem 0 .6rem;\">Standards<\/h3>\n <ol style=\"list-style:none;padding:0;font-size:.82rem;color:var(--c-secondary);line-height:1.7;\">\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[1]<\/span> DIN VDE 0250. “Cables, Wires and Flexible Cords for Power Installations.” German Institute for Standardization (DIN) \/ VDE.<\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[2]<\/span> DIN VDE 0250-812. “Heavy-Duty Rubber-Sheathed Flexible Cables.” VDE. Covers NSSH\u00d6U-type cables.<\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[3]<\/span> DIN VDE 0250-813. “Medium Voltage Reeling and Trailing Cables, 6\/10kV to 18\/30kV.” VDE.<\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[4]<\/span> DIN VDE 0250-814. “Low Voltage Festoon and Trailing Cables, 0.6\/1kV.” VDE. Covers NSHT\u00d6U-type cables.<\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[5]<\/span> DIN VDE 0207 Part 20\/21. “Insulating and Sheathing Compounds for Cables.” VDE. Defines types 3GI3, GM1b, 5GM3, 5GM5.<\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[6]<\/span> IEC 60228. “Conductors of Insulated Cables.” International Electrotechnical Commission. Class 5 flexible conductor specification.<\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[7]<\/span> IEC 60502 \/ IEC 60332-1 \/ IEC 60811 Series. International Electrotechnical Commission.<\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[8]<\/span> VDE 0298-4. “Selection and Use of Cables \u2014 Current-Carrying Capacities.” VDE. Ampacity and derating tables.<\/li>\n <\/ol>\n <h3 style=\"font-weight:600;font-size:.92rem;color:var(--c-body);margin:1.4rem 0 .6rem;\">Industry and Technical References<\/h3>\n <ol style=\"list-style:none;padding:0;font-size:.82rem;color:var(--c-secondary);line-height:1.7;\">\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[9]<\/span> Eland Cables. “DIN VDE 0250 Standard Cable.” <a href=\"https:\/\/www.elandcables.com\/electrical-cable-and-accessories\/cables-by-standard\/vde0250-cable\" style=\"color:var(--c-link);text-decoration:none;\" target=\"_blank\" rel=\"noopener\">elandcables.com<\/a><\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[10]<\/span> TF Kable. (2017). “Mining Cables Technical Catalogue.” DIN VDE Standards. <a href=\"https:\/\/www.powerandcables.com\/wp-content\/uploads\/2017\/07\/Mining-Cables-T-F-Kable-Catalogue.pdf\" style=\"color:var(--c-link);text-decoration:none;\" target=\"_blank\" rel=\"noopener\">TF Kable (PDF)<\/a><\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[11]<\/span> Mueller Group. “NSHT\u00d6U \/ NSHT\u00d6U-SM Cable Specifications.” <a href=\"https:\/\/muellergroup.net\/tmg_products\/nshtou\/\" style=\"color:var(--c-link);text-decoration:none;\" target=\"_blank\" rel=\"noopener\">muellergroup.net<\/a><\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[12]<\/span> Nassau National Cable. “NSHT\u00d6U-SM Heavy-Duty Drum and Reeling Cable.” <a href=\"https:\/\/nassaunationalcable.com\/products\/nshtou-sm-heavy-duty-tc-polychloroprene-drum-and-reeling-cable\" style=\"color:var(--c-link);text-decoration:none;\" target=\"_blank\" rel=\"noopener\">nassaunationalcable.com<\/a><\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[13]<\/span> SAB Br\u00f6ckskes. “PUR Cables & Wires: Polyether vs Polyester Hydrolysis Resistance.” <a href=\"https:\/\/www.sab-cable.com\/cables-wires-harnessing-temperature-measurement\/technical-data\/cables-and-wires\/polyurethane-pur.html\" style=\"color:var(--c-link);text-decoration:none;\" target=\"_blank\" rel=\"noopener\">sab-cable.com<\/a><\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[14]<\/span> PEMA (Port Equipment Manufacturers Association). Cable failure downtime statistics for container crane operations.<\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[15]<\/span> Business Research Insights. (2025). “Mining Cables Market \u2014 CAGR 2.2%.” <a href=\"https:\/\/www.businessresearchinsights.com\/market-reports\/mining-cables-market-102251\" style=\"color:var(--c-link);text-decoration:none;\" target=\"_blank\" rel=\"noopener\">businessresearchinsights.com<\/a><\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[16]<\/span> PMC. (2022). “Insulation Monitoring Technology of HV Cables in Underground Coal Mines.” <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9152389\/\" style=\"color:var(--c-link);text-decoration:none;\" target=\"_blank\" rel=\"noopener\">PMC9152389<\/a><\/li>\n <\/ol>\n <h3 style=\"font-weight:600;font-size:.92rem;color:var(--c-body);margin:1.4rem 0 .6rem;\">Feichun Cable Technical Publications<\/h3>\n <ol style=\"list-style:none;padding:0;font-size:.82rem;color:var(--c-secondary);line-height:1.7;\">\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[17]<\/span> Feichun Cable. “What Is DIN VDE 0250 Reeling Cables?” <a href=\"https:\/\/feichuncables.com\/blog\/what-is-din-vde-0250-reeling-cables\/\" style=\"color:var(--c-link);text-decoration:none;\">feichuncables.com\/blog<\/a><\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[18]<\/span> Feichun Cable. “DIN VDE 0250 \u2014 Complete Technical Guide.” <a href=\"https:\/\/feichuncables.com\/blog\/din-vde-0250\/\" style=\"color:var(--c-link);text-decoration:none;\">feichuncables.com\/blog (VDE 0250)<\/a><\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[19]<\/span> Feichun Cable. “What Is DIN VDE 0250 Cable?” <a href=\"https:\/\/feichuncables.com\/blog\/what-is-din-vde-0250-cable\/\" style=\"color:var(--c-link);text-decoration:none;\">feichuncables.com\/blog<\/a><\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[20]<\/span> Feichun Cable. “TENAX-PUR (N)TSCGEH3S I 6\u201310 kV Specification.” <a href=\"https:\/\/feichuncables.com\/blog\/tenax-pur-ntscgeh3s-i-6-10-kv\/\" style=\"color:var(--c-link);text-decoration:none;\">feichuncables.com\/blog (TENAX-PUR)<\/a><\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[21]<\/span> Feichun Cable. “(N)TMCGEH3S: Active LED MV Trailing Cables for Underground LHDs.” <a href=\"https:\/\/feichuncables.com\/blog\/feichun-ntmcgeh3s-specifications-for-active-led-medium-voltage-trailing-cables-for-underground-lhds\/\" style=\"color:var(--c-link);text-decoration:none;\">feichuncables.com\/blog (LED Cable)<\/a><\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[22]<\/span> Feichun Cable. “NSSH\u00d6U Cable Ampacity Table at 50\u00b0C Ambient.” <a href=\"https:\/\/feichuncables.com\/blog\/nsshou-cable-ampacity-table-current-rating-correction-factors-at-50c-ambient-temperature\/\" style=\"color:var(--c-link);text-decoration:none;\">feichuncables.com\/blog (NSSH\u00d6U)<\/a><\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[23]<\/span> Feichun Cable. “STS Crane Spreader Baskets: NSHT\u00d6U-J 24G2.5 Global Standard.” <a href=\"https:\/\/feichuncables.com\/blog\/sts-crane-spreader-baskets-why-is-nshtou-j-24g2-5-the-global-industry-standard-for-vertical-lift-control-and-power-delivery-in-ship-to-shore-container-handling-systems\/\" style=\"color:var(--c-link);text-decoration:none;\">feichuncables.com\/blog (Spreader)<\/a><\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[24]<\/span> Feichun Cable. “Spring-Driven Reels: H07RN-F vs NSHT\u00d6U Comparison.” <a href=\"https:\/\/feichuncables.com\/blog\/spring-driven-reels-sizing-generic-h07rn-f-vs-nshtou-for-low-tension-applications\/\" style=\"color:var(--c-link);text-decoration:none;\">feichuncables.com\/blog (Spring Reels)<\/a><\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[25]<\/span> Feichun Cable. “VDE 0250 South Africa \u2014 Platinum Mine Case Study.” <a href=\"https:\/\/www.miningcable.co.za\/understanding-din-vde-0250-reeling-cables-the-german-standard-powering-tough-industrial-applications-worldwide-and-in-south-africa\" style=\"color:var(--c-link);text-decoration:none;\" target=\"_blank\" rel=\"noopener\">miningcable.co.za<\/a><\/li>\n <li style=\"margin-bottom:.5rem;padding-left:2rem;position:relative;\"><span style=\"position:absolute;left:0;font-weight:600;color:var(--c-tertiary);font-family:'IBM Plex Mono',monospace;font-size:.75rem;\">[26]<\/span> Reelingcable.com. “Mine Reeling Cable (N)TSCGEWTOES Specifications.” <a href=\"https:\/\/www.reelingcable.com\/mine-reeling-cable-ntscgewtoes-or-heavy-duty-power-or-mobile-mining-equipment-or-fire-retardant-or-oil-resistant-or-din-vde-0250-or-six-core-or-protec\" style=\"color:var(--c-link);text-decoration:none;\" target=\"_blank\" rel=\"noopener\">reelingcable.com<\/a><\/li>\n <\/ol>\n\n <\/div>\n\n <div class=\"contact\">\n <h3>Contact Anhui Feichun Special Cable Co., Ltd. \u2014 VDE 0250 Reeling Cable Specialists<\/h3>\n <div class=\"cg\">\n <div class=\"ci\"><span class=\"lb\">Technical Engineering & VDE 0250 Specification<\/span><a href=\"mailto:tech@feichuncables.com\">tech@feichuncables.com<\/a><\/div>\n <div class=\"ci\"><span class=\"lb\">International Sales & Procurement<\/span><a href=\"mailto:sales@feichuncables.com\">sales@feichuncables.com<\/a><\/div>\n <div class=\"ci\"><span class=\"lb\">Port & Crane Cable Specialist<\/span><a href=\"mailto:sales@feichuncables.com\">sales@feichuncables.com<\/a><\/div>\n <div class=\"ci\"><span class=\"lb\">Emergency Support \u2014 WhatsApp\/WeChat<\/span><a href=\"https:\/\/wa.me\/8613855123218\" target=\"_blank\" rel=\"noopener\">+86 138-5512-3218<\/a><\/div>\n <\/div>\n <\/div>\n\n <footer class=\"ft\">\n <p>© 2026 Anhui Feichun Special Cable Co., Ltd. \u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8 \u2014 All rights reserved.<\/p>\n <p>Building A, Private Science & Technology Park, Hefei Economic and Technological Development Zone, Anhui Province, China.<\/p>\n <p style=\"margin-top:.5rem;font-size:.7rem;\">This article is provided for informational and educational purposes. Always consult with qualified electrical engineers and follow applicable safety standards for your specific installation. DIN, VDE, IEC, and all other standards are properties of their respective organizations. PEMA data cited for reference. All trademarks are properties of their respective owners. Last updated: March 10, 2026.<\/p>\n <\/footer>\n\n<\/article>\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"What Is Feichun VD…","protected":false},"author":1,"featured_media":8541,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"csco_singular_sidebar":"left","csco_page_header_type":"title","csco_page_load_nextpost":"","footnotes":""},"class_list":["post-8794","page","type-page","status-publish","has-post-thumbnail","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/pages\/8794","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/types\/page"}],"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=8794"}],"version-history":[{"count":1,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/pages\/8794\/revisions"}],"predecessor-version":[{"id":8796,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/pages\/8794\/revisions\/8796"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/8541"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=8794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}