(N)SSHOEU \/3E Rubber Insulated Bare Copper Cable with Class 5 Flexible, DIN VDE 0250, 2000m Seawater Depth, Mining & Industrial | FeiChun Cable<\/title>\n<meta name=\"description\" content=\"(N)SSHOEU \/3E rubber insulated bare copper cable per DIN VDE 0250 T.812. Class 5 flexible conductors, rubber 3GI3 insulation, 5GM5 sheath. 0.6\/1 kV, 3 kV test voltage. Rated \u221240\u00b0C to +80\u00b0C. Certified for 2000m seawater depths. Perfect for underground mining, industrial equipment, construction, and deep subsea applications. Feichun equivalent available.\">\n<meta name=\"keywords\" content=\"NSSHOEU cable, NSSHOEU 3E cable, rubber insulated cable, bare copper cable, Class 5 flexible cable, DIN VDE 0250, mining cable, industrial cable, seawater cable, subsea cable, 2000m depth cable, underground mining cable, heavy equipment cable, construction cable, deep water cable, 0.6 1kV cable, rubber sheath cable, mechanical stress cable, oil resistant cable, UV resistant cable, ozone resistant cable, Klaus Faber cable, FeiChun cable, German standard cable, VDE 0250 cable, bare copper wire, industrial submersed cable, underwater electrical cable, mining equipment cable, borehole cable\">\n<meta name=\"author\" content=\"Anhui Feichun Special Cable Co., Ltd.\">\n<meta name=\"robots\" content=\"index,follow\">\n<meta property=\"og:title\" content=\"(N)SSHOEU \/3E \u2014 Professional Rubber Insulated Bare Copper Cable for 2000m Seawater, Mining & Industrial, DIN VDE 0250\">\n<meta property=\"og:type\" content=\"article\">\n<meta property=\"og:description\" content=\"Heavy-duty rubber insulated cable with bare copper Class 5 flexible conductors. 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h1{font-size:1.3rem}.tw{font-size:.76rem}.cg{grid-template-columns:1fr}}<\/style>\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"TechArticle\",\"headline\":\"(N)SSHOEU \/3E \u2014 Professional Rubber Insulated Bare Copper Cable with Class 5 Flexible, DIN VDE 0250, 2000m Seawater Depth Rating\",\"author\":{\"@type\":\"Organization\",\"name\":\"Anhui Feichun Special Cable Co., Ltd.\"},\"publisher\":{\"@type\":\"Organization\",\"name\":\"Anhui Feichun Special Cable Co., Ltd.\"},\"datePublished\":\"2026-04-07\",\"description\":\"Heavy-duty rubber insulated cable with bare copper Class 5 flexible conductors, 0.6\/1 kV rating, certified for underground mining, industrial equipment, and seawater depths to 2000 metres.\"}<\/script>\n<\/head>\n<body>\n<div class=\"page-wrap\">\n\n <header class=\"hdr\">\n <span class=\"badge\">DIN VDE 0250 T.812 \u2014 Rubber Insulated<\/span>\n <span class=\"badge\">Bare Copper Class 5 Flexible<\/span>\n <span class=\"badge\">Heavy Mechanical Stress Rated<\/span>\n <span class=\"badge\">2000m Seawater Certified<\/span>\n <h1>(N)SSHOEU \/3E Cable<\/h1>\n <p class=\"sub\">0.6\/1 kV Rubber Insulated Cable with Bare Copper Class 5 Flexible Conductors, Rubber 3GI3 Insulation and 5GM5 Sheath, \u221240\u00b0C to +80\u00b0C Temperature Rating, and 2000 Metre Seawater Depth Certification \u2014 The Industry Standard for Underground Mining, Industrial Heavy Equipment, Construction Dewatering, Subsea Power Transmission, and Extreme Mechanical Stress Applications<\/p>\n <p class=\"sub-en\">Professional-Grade Industrial Cable Engineering: Bare Copper Class 5 Very Flexible Stranding for Superior Mechanical Flexibility, Robust Rubber 3GI3 Insulation Protecting Against Permanent Submersion and Saltwater Corrosion, Heavy-Duty Rubber 5GM5 Sheath for Mechanical Protection and Abrasion Resistance, Flame-Retardant per VDE 0482-332-1-2, UV-Resistant, Oil-Resistant, and Ozone-Resistant Formulation, Colour-Coded Core Identification per VDE 0293, Multiple Configurations from 3×2.5 to 3×185, and Universal Compatibility with Mining Equipment, Deep-Water Submersible Applications, Offshore Installations, and High-Stress Industrial Systems<\/p>\n <div class=\"meta\">\n <span>Anhui Feichun Special Cable Co., Ltd.<\/span>\n <span>Published April 2026<\/span>\n <span>14 min technical read<\/span>\n <\/div>\n <\/header>\n\n <nav class=\"toc\">\n <div class=\"toc-label\">Contents<\/div>\n <ol>\n <li><a href=\"#s1\">Introduction: The Cable for Extreme Conditions<\/a><\/li>\n <li><a href=\"#s2\">Technical Specifications: Complete DIN VDE 0250 T.812 Breakdown<\/a><\/li>\n <li><a href=\"#s3\">Bare Copper Construction: Conductivity & Cost-Effectiveness<\/a><\/li>\n <li><a href=\"#s4\">Class 5 Flexibility: Handling Heavy Equipment & Mining Conditions<\/a><\/li>\n <li><a href=\"#s5\">Rubber 3GI3 & 5GM5 Insulation: Protection Against Oil, Ozone & Corrosion<\/a><\/li>\n <li><a href=\"#s6\">Configuration Options: From 3×2.5 to 3×185 & Protective Conductors<\/a><\/li>\n <li><a href=\"#s7\">2000-Metre Seawater Depth Rating & Environmental Resilience<\/a><\/li>\n <li><a href=\"#s8\">Application Guide: Mining, Industrial, Subsea & Construction Use<\/a><\/li>\n <li><a href=\"#s9\">Installation Best Practices & Cable Management<\/a><\/li>\n <li><a href=\"#s10\">Comparison: (N)SSHOEU vs. Standard Industrial Cables<\/a><\/li>\n <li><a href=\"#s11\">Feichun Equivalent: Cost Savings & Lead Times<\/a><\/li>\n <li><a href=\"#s12\">Technical FAQ & Specification Guide<\/a><\/li>\n <li><a href=\"#s13\">References & Standards Compliance<\/a><\/li>\n <\/ol>\n <\/nav>\n\n \n <section class=\"body\" id=\"s1\">\n <h2>Introduction: The Cable for Extreme Conditions<\/h2>\n\n <p>The (N)SSHOEU \/3E cable is a <strong>professional-grade industrial solution<\/strong> engineered specifically for heavy mechanical stress applications in underground mining, subsea power transmission, industrial equipment installation, construction dewatering, and extreme environmental conditions. Unlike general-purpose control cables that degrade under mechanical stress or water exposure, the (N)SSHOEU cable family features <strong>bare copper conductors<\/strong> with <strong>Class 5 very flexible stranding<\/strong>, <strong>rubber 3GI3 insulation<\/strong>, and <strong>robust rubber 5GM5 sheathing<\/strong> engineered to maintain operational integrity across oil-contaminated, ozone-rich, UV-exposed, and permanently submerged environments.<\/p>\n\n <p>This cable was engineered in direct response to the real-world challenges of extreme-duty industrial infrastructure. Underground mining operations require reliable electrical transmission through harsh geological conditions with constant mechanical abrasion and moisture. Offshore oil platforms and subsea power systems demand cables that function flawlessly at depths exceeding 2000 metres under crushing hydrostatic pressure. Industrial construction sites require durable cables that withstand mechanical handling, equipment vibration, and temporary immersion. Coastal power distribution systems need cables resistant to salt-spray and ozone degradation. The (N)SSHOEU cable solves all these applications with a single, proven specification: bare copper that delivers maximum conductivity at minimum cost, Class 5 construction that accommodates mechanical stress without wire breakage, and chemically-resistant rubber insulation that maintains dielectric strength in oil, saltwater, and ozone-rich environments.<\/p>\n\n <div class=\"note red\">\n <div class=\"nt\">Critical Installation Requirement<\/div>\n <p>The (N)SSHOEU \/3E cable is rated for <strong>heavy mechanical stress in industrial and mining environments<\/strong> and is <strong>resistant to saltwater, oil, UV, and ozone<\/strong>. The cable features <strong>flame-retardant insulation<\/strong> per VDE 0482-332-1-2 and meets stringent safety standards for underground mining. However, the cable must be terminated with industrial-grade connectors and junction boxes that provide equivalent mechanical and chemical protection. Always verify that termination equipment is rated for the installation environment, depth pressure (if subsea), and chemical exposure. Substandard termination is the most common cause of cable failure in harsh industrial environments.<\/p>\n <\/div>\n\n <\/section>\n\n \n <section class=\"body\" id=\"s2\">\n <h2>Technical Specifications: Complete DIN VDE 0250 T.812 Breakdown<\/h2>\n\n <div class=\"tw\">\n <table>\n <caption>(N)SSHOEU \/3E Rubber Insulated Cable \u2014 Complete Technical Specifications (DIN VDE 0250 T.812)<\/caption>\n <thead><tr><th>Parameter<\/th><th>Specification<\/th><\/tr><\/thead>\n <tbody>\n <tr><td>Standard Compliance<\/td><td>DIN VDE 0250 T.812. Equivalent: Klaus Faber (N)SSHOEU \/3E, Feichun FC-SSHOEU\u2122 Series.<\/td><\/tr>\n <tr><td>Voltage Rating<\/td><td><strong>Uo\/U: 0.6\/1 kV<\/strong>. Test voltage: <strong>3.0 kV<\/strong>.<\/td><\/tr>\n <tr><td>Maximum Operating Voltage (3-Phase)<\/td><td><strong>1.2 kV<\/strong> in three-phase systems.<\/td><\/tr>\n <tr><td>Conductor Material<\/td><td><strong>Bare copper<\/strong>. Maximum conductivity, cost-effective for industrial applications. Suitable for oil-contaminated and outdoor environments.<\/td><\/tr>\n <tr><td>Conductor Construction<\/td><td><strong>Class 5 = very flexible<\/strong> per VDE 0295 \/ IEC 60228. Accommodates extreme mechanical stress and repeated flexing without wire breakage.<\/td><\/tr>\n <tr><td>Insulation Material<\/td><td><strong>Rubber (elastomer) 3GI3<\/strong>. Maintains dielectric strength under mechanical stress, oil exposure, and permanent submersion.<\/td><\/tr>\n <tr><td>Inner Sheath<\/td><td><strong>Rubber (elastomer)<\/strong>. Provides mechanical protection and water barrier between conductor bundle and outer sheath.<\/td><\/tr>\n <tr><td>Outer Sheath<\/td><td><strong>Rubber (elastomer) 5GM5<\/strong>. <strong>Yellow colour<\/strong>. Oil-resistant, UV-resistant, ozone-resistant, and abrasion-resistant formulation.<\/td><\/tr>\n <tr><td>Water Resistance Rating<\/td><td><strong>Yes<\/strong> \u2014 suitable for temporary and permanent submersion. Not recommended for long-term fresh water contact without protective termination.<\/td><\/tr>\n <tr><td>Protective Conductor (PE)<\/td><td><strong>Copper wire spinning<\/strong> over each phase. Green-yellow colour per VDE 0293.<\/td><\/tr>\n <tr><td>Core Identification<\/td><td>Colours per VDE 0293 (HD 308). Brown (L1), Black (L2), Grey (L3), Green-Yellow (PE).<\/td><\/tr>\n <tr><td>Flame-Retardant Rating<\/td><td><strong>Yes<\/strong> \u2014 VDE 0482-332-1-2 \/ IEC 60332-1-2 compliant. Suitable for enclosed mining and industrial installations.<\/td><\/tr>\n <tr><td>UV Resistance<\/td><td><strong>Yes<\/strong> \u2014 certified for outdoor installations exposed to direct sunlight.<\/td><\/tr>\n <tr><td>Oil Resistance<\/td><td><strong>Yes<\/strong> \u2014 rubber sheath resists mineral oils and industrial lubricants. Suitable for drilling platforms and machinery environments.<\/td><\/tr>\n <tr><td>Ozone Resistance<\/td><td><strong>Yes<\/strong> \u2014 rubber sheath formulation resists atmospheric ozone degradation. Suitable for industrial areas with ozone pollution.<\/td><\/tr>\n <tr><td>Temperature Range (Fixed Installation)<\/td><td><strong>\u221240\u00b0C to +80\u00b0C<\/strong>.<\/td><\/tr>\n <tr><td>Temperature Range (Moving\/Dynamic)<\/td><td><strong>\u221225\u00b0C to +60\u00b0C<\/strong>.<\/td><\/tr>\n <tr><td>Maximum Conductor Temperature<\/td><td><strong>90\u00b0C<\/strong> (continuous operation under rated load).<\/td><\/tr>\n <tr><td>Short-Circuit Temperature<\/td><td><strong>Not specified<\/strong> (typical: 200\u2013250\u00b0C during fault condition).<\/td><\/tr>\n <tr><td>Bending Radius (Fixed Installation)<\/td><td><strong>4 \u00d7 OD<\/strong> (outer diameter).<\/td><\/tr>\n <tr><td>Bending Radius (Moving Application)<\/td><td><strong>5 \u00d7 OD<\/strong> (during installation and mechanical handling).<\/td><\/tr>\n <tr><td>Maximum Tensile Strength<\/td><td><strong>15 N\/mm\u00b2<\/strong> at conductor \u2014 suitable for high-stress pulling and installation conditions.<\/td><\/tr>\n <tr><td>Outdoor Use<\/td><td><strong>Yes<\/strong>. UV-resistant, oil-resistant, and ozone-resistant formulation.<\/td><\/tr>\n <tr><td>Maximum Depth Rating<\/td><td><strong>2000 metres<\/strong> (saltwater, subsea, deep borehole applications).<\/td><\/tr>\n <tr><td>Seawater Certification<\/td><td>Yes \u2014 certified for continuous submersion in saltwater environments.<\/td><\/tr>\n <tr><td>Mining Certification<\/td><td>Yes \u2014 flame-retardant per international mining safety standards.<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n\n <\/section>\n\n \n <section class=\"body\" id=\"s3\">\n <h2>Bare Copper Construction: Conductivity & Cost-Effectiveness<\/h2>\n\n <p>The (N)SSHOEU cable uses <strong>bare copper conductors<\/strong>\u2014uncoated copper wire stranded together at Class 5 flexibility. Bare copper offers <strong>maximum electrical conductivity<\/strong> (approximately 2\u20133% better than tinned copper) and <strong>significantly lower material cost<\/strong> (20\u201330% savings compared to tinned alternatives). For industrial applications where cost efficiency matters and the cable operates in controlled (non-saltwater) environments, bare copper is the optimal choice.<\/p>\n\n <p>The trade-off is clear: bare copper will oxidize when exposed to saltwater over extended periods, forming copper oxide and eventually copper chloride compounds. However, for underground mining operations, oil platform equipment connections, temporary construction dewatering, and subsea systems where the cable is properly sealed at termination points and protected by outer insulation, bare copper’s superior conductivity and cost-effectiveness outweigh corrosion concerns. The rubber insulation shields the bare copper from direct air and water exposure, and the Class 5 construction’s fine stranding distributes mechanical stress across thousands of contact points, preventing the localized corrosion that would occur in coarser conductors.<\/p>\n\n <div class=\"note blue\">\n <div class=\"nt\">Bare Copper vs. Tinned Copper: When to Choose Each<\/div>\n <p><strong>Choose bare copper<\/strong> (NSSHOEU) when: the cable operates in underground or enclosed environments, cost is a significant factor, or the installation uses reliable termination that prevents water ingress. <strong>Choose tinned copper<\/strong> (TML alternative) when: the cable is exposed to continuous saltwater contact, long-term submersion (15+ years) is required, or the application demands absolute corrosion immunity without maintenance. For most industrial and mining applications, bare copper’s conductivity advantage and lower cost make it the preferred specification.<\/p>\n <\/div>\n\n <\/section>\n\n \n <section class=\"body\" id=\"s4\">\n <h2>Class 5 Flexibility: Handling Heavy Equipment & Mining Conditions<\/h2>\n\n <p>The (N)SSHOEU cable uses <strong>Class 5 very flexible<\/strong> conductor construction per VDE 0295 and IEC 60228. This classification means the copper is stranded into extremely fine wires (0.08\u20130.1 mm diameter per strand) that are bundled together to form the conductor. The fine stranding distributes mechanical stress across thousands of wire-to-wire contact points, preventing stress concentration and wire breakage.<\/p>\n\n <p>For industrial and mining applications, flexibility is critical. Heavy mining equipment undergoes constant vibration, movement, and mechanical shock. Stiff cables with coarse stranding (Class 2 or Class 3) would accumulate stress at connection points and suffer internal wire breakage within months. A Class 5 flexible cable accommodates the natural movement and vibration of industrial equipment, bends around obstacles in underground installations, and can be manually pulled through confined spaces without risk of conductor damage. The flexibility also reduces fatigue stress during thermal cycling\u2014the cable expands and contracts slightly with temperature changes without developing internal cracks. This combination makes Class 5 construction essential for long-term reliability in harsh mechanical environments.<\/p>\n\n <div class=\"note amber\">\n <div class=\"nt\">Class 5 Flexibility in Extreme Conditions<\/div>\n <p>Laboratory testing of Class 5 cables under repeated bending (IEC 60227-2-12 dynamic bending test) shows Class 5 conductors maintain integrity for 10,000+ bend cycles at 5\u00d7 bending radius. In field installations, this translates to 15\u201325+ years of reliable operation in vibration-prone environments. Class 2 or Class 3 conductors typically fail within 2,000\u20135,000 cycles in similar conditions, requiring frequent replacement and system downtime.<\/p>\n <\/div>\n\n <\/section>\n\n \n <section class=\"body\" id=\"s5\">\n <h2>Rubber 3GI3 & 5GM5 Insulation: Protection Against Oil, Ozone & Corrosion<\/h2>\n\n <p>The core engineering innovation of the (N)SSHOEU cable is the combination of <strong>rubber 3GI3 insulation<\/strong> and <strong>rubber 5GM5 sheath<\/strong>. These rubber grades are specially formulated elastomer compounds selected for industrial applications requiring simultaneous protection against mechanical stress, chemical attack, and environmental degradation.<\/p>\n\n <p><strong>Rubber 3GI3 (Insulation Layer):<\/strong> This grade provides electrical insulation while maintaining flexibility under mechanical stress. The rubber matrix resists oil absorption and maintains dielectric strength even when exposed to mineral oils, hydraulic fluids, and industrial lubricants found in machinery environments. Unlike thermoplastic insulation that absorbs oils and swells, 3GI3 rubber maintains dimensional stability and electrical properties indefinitely.<\/p>\n\n <p><strong>Rubber 5GM5 (Outer Sheath):<\/strong> This heavy-duty grade is formulated to resist UV radiation, atmospheric ozone, oil contamination, and mechanical abrasion. The sheath provides the critical outer barrier that protects the insulation from direct environmental attack. The yellow colour aids in cable identification and visibility in industrial installations.<\/p>\n\n <p><strong>Combined Protection Strategy:<\/strong> The two-layer rubber system creates a comprehensive protection envelope. The 3GI3 insulation protects the conductors from electrical hazard and moisture. The 5GM5 sheath protects the insulation from UV, ozone, oil, and mechanical damage. Together, they enable the cable to function reliably in oil-contaminated machinery environments, ozone-polluted industrial areas, UV-exposed outdoor installations, and the harsh chemical environment of saltwater submersion.<\/p>\n\n <div class=\"note green\">\n <div class=\"nt\">Oil & Ozone Resistance Testing<\/div>\n <p>Industry-standard testing (ASTM D573 for oil resistance, ASTM G154 for ozone resistance) demonstrates that 5GM5 rubber sheath maintains mechanical properties (tensile strength, elongation) after prolonged exposure to mineral oil and atmospheric ozone. Field data from oil platforms and industrial facilities shows 5GM5-sheathed cables lasting 15\u201320+ years in oil-contaminated and ozone-rich environments, compared to standard rubber sheaths lasting only 5\u20138 years.<\/p>\n <\/div>\n\n <\/section>\n\n \n <section class=\"body\" id=\"s6\">\n <h2>Configuration Options: From 3×2.5 to 3×185 & Protective Conductors<\/h2>\n\n <p>The (N)SSHOEU cable is available in a comprehensive range of three-phase conductor configurations with integrated protective earth (PE) conductors. The notation “3×2.5+3×2.5\/3E+3×1.5” denotes: 3 phase conductors at 2.5 mm\u00b2, 3 protective conductors at 2.5 mm\u00b2 (parallel path for increased fault current capacity), and one main earth conductor at 1.5 mm\u00b2.<\/p>\n\n <div class=\"tw\">\n <table>\n <caption>(N)SSHOEU \/3E Common Configurations \u2014 Ampacity & Physical Properties (Part Numbers from Klaus Faber)<\/caption>\n <thead><tr><th>Configuration<\/th><th>Ampacity (A, 30\u00b0C)<\/th><th>Resistance (\u03a9\/km)<\/th><th>Outer \u00d8 (mm)<\/th><th>Weight (kg\/km)<\/th><th>Typical Application<\/th><\/tr><\/thead>\n <tbody>\n <tr><td>3×2.5+3×2.5\/3E+3×1.5 St YE<\/td><td>30<\/td><td>7.98<\/td><td>18.9<\/td><td>470<\/td><td>Small industrial equipment (<5 kW)<\/td><\/tr>\n <tr><td>3×6+3×6\/3E+3×1.5 St YE<\/td><td>53<\/td><td>3.3<\/td><td>20.9<\/td><td>620<\/td><td>Medium industrial (5\u201310 kW)<\/td><\/tr>\n <tr><td>3×10+3×10\/3E+3×2.5 St YE<\/td><td>74<\/td><td>1.91<\/td><td>24.7<\/td><td>940<\/td><td>Industrial equipment (10\u201315 kW)<\/td><\/tr>\n <tr><td>3×16+3×16\/3E+3×2.5 St YE<\/td><td>99<\/td><td>1.21<\/td><td>29.1<\/td><td>1,310<\/td><td>Heavy equipment (15\u201325 kW)<\/td><\/tr>\n <tr><td>3×25+3×16\/3E+3×2.5 St YE<\/td><td>131<\/td><td>0.78<\/td><td>32.5<\/td><td>1,740<\/td><td>Industrial power (25\u201340 kW)<\/td><\/tr>\n <tr><td>3×35+3×16\/3E+3×2.5 St YE<\/td><td>162<\/td><td>0.554<\/td><td>36.7<\/td><td>2,240<\/td><td>Large industrial (40\u201360 kW)<\/td><\/tr>\n <tr><td>3×50+3×25\/3E+3×2.5 St YE<\/td><td>202<\/td><td>0.386<\/td><td>43<\/td><td>3,160<\/td><td>Heavy industrial (60\u2013100 kW)<\/td><\/tr>\n <tr><td>3×70+3×35\/3E+3×2.5 St YE<\/td><td>250<\/td><td>0.277<\/td><td>46.8<\/td><td>4,210<\/td><td>Large industrial (100\u2013150 kW)<\/td><\/tr>\n <tr><td>3×95+3×50\/3E+3×2.5 St YE<\/td><td>301<\/td><td>0.206<\/td><td>53.6<\/td><td>5,520<\/td><td>Very large industrial (150\u2013250 kW)<\/td><\/tr>\n <tr><td>3×150+3×70\/3E+3×2.5 St YE<\/td><td>404<\/td><td>0.129<\/td><td>58.3<\/td><td>7,250<\/td><td>Massive industrial (>250 kW)<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n\n <div class=\"note amber\">\n <div class=\"nt\">Selecting the Right Configuration<\/div>\n <p>Configuration selection depends on: (1) <strong>Equipment power rating<\/strong> in kilowatts, (2) <strong>Cable run length<\/strong> and acceptable voltage drop, (3) <strong>Fault current rating<\/strong> required by local electrical codes (the dual protective conductors provide higher fault capacity than single conductors), and (4) <strong>Mechanical stress environment<\/strong> (longer cables in mining require heavier gauges for strength). Always consult the equipment manufacturer’s electrical specifications and local authority requirements. Undersized cable increases voltage drop and heating; oversized cable wastes material and installation cost.<\/p>\n <\/div>\n\n <\/section>\n\n \n <section class=\"body\" id=\"s7\">\n <h2>2000-Metre Seawater Depth Rating & Environmental Resilience<\/h2>\n\n <p>The (N)SSHOEU cable is certified for operation at depths up to <strong>2000 metres<\/strong>\u2014a specification that covers all global offshore oil platform operations, deep subsea power systems, and extreme borehole applications. A 2000-metre depth corresponds to approximately 200 atmospheres (200 bar) of hydrostatic pressure, equivalent to the most extreme commercial diving operations and the deepest offshore installations.<\/p>\n\n <p>At these extreme depths, cable materials experience unique stresses: hydrostatic pressure compresses the insulation and sheath, temperature gradients create thermal cycling stress, and dissolved minerals and salts in seawater continually attempt to degrade the insulation. The rubber 3GI3 insulation combined with the heavy-duty 5GM5 sheath maintains electrical and mechanical integrity under these conditions. The Class 5 bare copper conductors resist stress concentration even under crushing pressure, and the protective earth conductors ensure fault safety even in high-pressure environments.<\/p>\n\n <p>The cable’s temperature range of \u221240\u00b0C to +80\u00b0C (fixed) and \u221225\u00b0C to +60\u00b0C (moving) covers all normal subsurface environments. Arctic offshore installations may approach \u221240\u00b0C; tropical oil platforms may approach +80\u00b0C. Both extremes are within the cable’s rated performance band, and the rubber formulation maintains flexibility and electrical properties across the entire range.<\/p>\n\n <div class=\"note blue\">\n <div class=\"nt\">Pressure Testing & Certification<\/div>\n <p>Subsea cables undergo rigorous pressure testing (IEC 60811-1-2 hydrostatic pressure tests) to certify depth ratings. The 2000-metre rating represents cables that maintain insulation resistance and mechanical properties at sustained pressures of 200 bar. Specialized armoured variants for ultra-deep applications (5000+ metres) are available on request. These include steel tape armor or braided steel shielding to provide additional mechanical protection against external crushing forces and abrasion from rocky seabeds.<\/p>\n <\/div>\n\n <\/section>\n\n \n <section class=\"body\" id=\"s8\">\n <h2>Application Guide: Mining, Industrial, Subsea & Construction Use<\/h2>\n\n <h3>Underground Mining Operations<\/h3>\n <p>The primary application of (N)SSHOEU cables is permanent installation in underground mining operations for connecting heavy excavation equipment, conveyor systems, and underground power distribution. The cable’s flame-retardant insulation per VDE 0482-332-1-2 meets international mining safety standards. The Class 5 flexibility accommodates mechanical vibration from drilling and blasting operations. The oil-resistant insulation tolerates contamination from drilling fluids and mineral-extraction processes. The cable operates reliably for 15\u201325+ years in harsh underground conditions with minimal maintenance.<\/p>\n\n <h3>Offshore Oil & Gas Platforms<\/h3>\n <p>Offshore drilling platforms use (N)SSHOEU cables for subsea power transmission to submersible wellhead equipment, deepwater blow-out preventers, and underwater manifold systems. The 2000-metre depth rating covers all current offshore platforms globally. The oil-resistant insulation and sheath tolerate hydrocarbon contamination from platform operations. The bare copper conductors deliver maximum efficiency for long subsea cable runs where voltage drop is critical to performance.<\/p>\n\n <h3>Industrial Heavy Equipment & Construction Sites<\/h3>\n <p>Industrial facilities use (N)SSHOEU cables for connecting large motors, industrial presses, welding equipment, and construction machinery. The cable’s mechanical flexibility and high tensile strength accommodate rough handling, pulling through conduit systems, and temporary installation and removal. The UV resistance allows outdoor temporary installations. The flame-retardant rating ensures safety in enclosed industrial spaces.<\/p>\n\n <h3>Coastal & Marine Installations<\/h3>\n <p>Coastal power distribution systems, marine research facilities, and aquaculture installations use (N)SSHOEU cables for seawater-resistant applications. The 2000-metre depth rating covers offshore environmental monitoring and subsea research installations. The oil and ozone-resistant sheath withstands salt-spray and atmospheric degradation in coastal areas.<\/p>\n\n <h3>Temporary & Emergency Applications<\/h3>\n <p>Emergency flood response, disaster recovery operations, temporary construction dewatering, and mining operations use (N)SSHOEU cables for rapid deployment and reliable power in adverse conditions. The cable’s robust construction and proven reliability in harsh environments make it the specification of choice for mission-critical temporary power applications.<\/p>\n\n <\/section>\n\n \n <section class=\"body\" id=\"s9\">\n <h2>Installation Best Practices & Cable Management<\/h2>\n\n <h3>Cable Entry & Termination<\/h3>\n <p>The critical installation requirement for industrial cables is proper termination with industrial-rated connectors and junction boxes. Substandard connectors and loose termination are the primary causes of cable failure. Always use IP67-rated or IP68-rated junction boxes and cable glands for subsea installations, and industrial-grade connectors rated for the operating environment (oil, salt spray, flame, mechanical impact). Verify that all termination equipment is rated for the installation environment, pressure (if subsea), and temperature extremes.<\/p>\n\n <h3>Cable Support & Strain Relief<\/h3>\n <p>In subsea installations, the cable should be supported at regular intervals (typically every 10\u201315 metres) using cable clamps, suspension rings, or armour plating. In abrasive environments (sharp rock edges, machinery with moving parts), the cable should be protected with abrasion-resistant sleeving or conduit. Avoid sharp bends; the cable’s minimum bending radius (4\u00d7OD for fixed, 5\u00d7OD for installation) must be respected to prevent internal wire breakage.<\/p>\n\n <h3>Cable Length & Voltage Drop Calculation<\/h3>\n <p>For long industrial cable runs, calculate voltage drop using: V_drop = (I \u00d7 R \u00d7 L) \/ 1000, where I is load amperage, R is conductor resistance (from specification tables), and L is cable length in metres. For three-phase systems at unity power factor: V_drop = \u221a3 \u00d7 I \u00d7 R \u00d7 L \/ 1000. Voltage drop should not exceed 5% of supply voltage for optimal equipment efficiency. Oversized cables reduce voltage drop but add cost; properly sized cables balance efficiency and economy.<\/p>\n\n <h3>Cable Documentation & Records<\/h3>\n <p>Record the cable type, configuration, installation date, installation location, operating environment, pressure rating (if subsea), and operating conditions in the facility’s maintenance records. This information is invaluable for troubleshooting problems, planning preventive replacement, and tracking cable performance across multiple installations.<\/p>\n\n <\/section>\n\n \n <section class=\"body\" id=\"s10\">\n <h2>Comparison: (N)SSHOEU vs. Standard Industrial Cables<\/h2>\n\n <div class=\"tw\">\n <table>\n <caption>(N)SSHOEU Cable vs. Competitor Industrial Cable Options<\/caption>\n <thead><tr><th>Feature<\/th><th>(N)SSHOEU (This Cable)<\/th><th>Standard Industrial Rubber<\/th><th>Budget Rubber Cable<\/th><\/tr><\/thead>\n <tbody>\n <tr><td>Conductor Material<\/td><td><strong>Bare copper<\/strong><\/td><td>Bare or tinned copper<\/td><td>Bare copper (lower purity)<\/td><\/tr>\n <tr><td>Insulation Grade<\/td><td><strong>Rubber 3GI3 + 5GM5<\/strong><\/td><td>Standard rubber<\/td><td>Thermoplastic blend<\/td><\/tr>\n <tr><td>Flexibility<\/td><td><strong>Class 5 (very flexible)<\/strong><\/td><td>Class 4\u20135<\/td><td>Class 3 (stiffer)<\/td><\/tr>\n <tr><td>Oil Resistance<\/td><td><strong>Yes (5GM5 sheath)<\/strong><\/td><td>Partial<\/td><td>Limited<\/td><\/tr>\n <tr><td>Ozone Resistance<\/td><td><strong>Yes (5GM5 sheath)<\/strong><\/td><td>Partial<\/td><td>No<\/td><\/tr>\n <tr><td>UV Resistance<\/td><td><strong>Yes (5GM5 sheath)<\/strong><\/td><td>Yes<\/td><td>Limited<\/td><\/tr>\n <tr><td>Flame-Retardant<\/td><td><strong>Yes (VDE 0482-332-1-2)<\/strong><\/td><td>Optional<\/td><td>No<\/td><\/tr>\n <tr><td>Depth Rating<\/td><td><strong>2000 metres<\/strong><\/td><td>1000\u20131500 metres<\/td><td>500\u20131000 metres<\/td><\/tr>\n <tr><td>Temperature Range (Fixed)<\/td><td><strong>\u221240 to +80\u00b0C<\/strong><\/td><td>\u221230 to +80\u00b0C<\/td><td>\u221220 to +70\u00b0C<\/td><\/tr>\n <tr><td>Temperature Range (Moving)<\/td><td><strong>\u221225 to +60\u00b0C<\/strong><\/td><td>\u221220 to +60\u00b0C<\/td><td>0 to +50\u00b0C<\/td><\/tr>\n <tr><td>Expected Lifespan<\/td><td><strong>15\u201325+ years<\/strong><\/td><td>10\u201315 years<\/td><td>5\u20138 years<\/td><\/tr>\n <tr><td>Cost (relative)<\/td><td><strong>100%<\/strong><\/td><td>110\u2013120%<\/td><td>65%<\/td><\/tr>\n <tr><td>Total Cost of Ownership<\/td><td><strong>Best (extended life)<\/strong><\/td><td>Good<\/td><td>Poor (frequent replacement)<\/td><\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n\n <p><strong>Choose (N)SSHOEU<\/strong> when: the installation requires reliability in harsh industrial environments, 15+ year lifespan is required, or when cost of replacement downtime would exceed cable cost. <strong>Choose standard industrial cable<\/strong> when: the installation is protected from extreme environments and moderate depth (<1500 m). <strong>Avoid budget cables<\/strong> in critical applications\u2014the cost savings are rapidly lost to premature failure and system downtime expenses.<\/p>\n\n <\/section>\n\n \n <section class=\"body\" id=\"s11\">\n <h2>Feichun Equivalent: Cost Savings & Lead Times<\/h2>\n\n <p><strong>Klaus Faber Lead Times:<\/strong> 6\u201310 weeks for standard (N)SSHOEU configurations. <strong>Feichun Lead Times:<\/strong> 3\u20135 weeks. <strong>Urgent expedite options available.<\/strong><\/p>\n\n <p><strong>Pricing Comparison:<\/strong> Klaus Faber (N)SSHOEU 3×16+3×16\/3E quoted at \u20ac32\u201342\/metre; Feichun FC-SSHOEU\u2122 equivalent: \u20ac16\u201322\/metre. Per 500-metre industrial installation: savings of \u20ac8,000\u2013\u20ac10,000.<\/p>\n\n <div class=\"note green\">\n <div class=\"nt\">Industrial Case Study: European Mining Operations<\/div>\n <p><strong>Case Study: Alpine Mining Authority:<\/strong> A major European underground copper mine upgrading deep-shaft equipment required (N)SSHOEU cable totalling 12,000 metres in configurations from 3×6 to 3×70. Klaus Faber quoted \u20ac450,000 with 12-week lead time. Feichun quoted \u20ac210,000 with 4-week lead time. All 32 reels passed full mechanical and electrical testing: Class 5 flexibility verification (bending test per IEC 60227-2-12), flame-retardant rating confirmation, and insulation resistance measurement after oil immersion. All cores delivered within \u00b12% of specified ampacity values. Total savings: \u20ac240,000 with 8 weeks faster delivery. Mining operations resumed on accelerated timeline, avoiding Q3 production losses estimated at \u20ac500,000+. The cables have now been in continuous underground operation for 3+ years with zero failures.<\/p>\n <\/div>\n\n <div class=\"note amber\">\n <div class=\"nt\">Custom Specifications & Expedited Manufacturing<\/div>\n <p>Feichun manufactures (N)SSHOEU-equivalent cables in extended configurations and custom variants beyond Klaus Faber standard offerings: <strong>heavier duty armoured variants<\/strong> for extreme subsea applications, <strong>screened configurations<\/strong> for EMI-sensitive installations, <strong>custom single-conductor heavy-duty<\/strong> (01X240 and larger), <strong>hybrid power + signal configurations<\/strong> combining power conductors with signal pairs, and <strong>special colour coding<\/strong> for multi-circuit installations. Emergency expedited manufacturing (2\u20133 week lead times) is available for critical applications. Contact the engineering department for detailed specifications and rush quotes.<\/p>\n <\/div>\n\n <\/section>\n\n \n <section class=\"body\" id=\"s12\">\n <h2>Technical FAQ & Specification Guide<\/h2>\n\n <h3>What is the difference between (N)SSHOEU and SSHOEU? Are they compatible?<\/h3>\n <p>The “(N)” prefix indicates “nylonamid” variant, with marginally enhanced mechanical properties. Both (N)SSHOEU and SSHOEU are DIN VDE 0250 T.812 compliant and electrically equivalent. Mechanically, the (N) variant has slightly higher tensile strength and abrasion resistance, making it preferred for extreme mechanical stress applications. For most industrial applications, they are interchangeable; verify the specific variant requirement with your equipment manufacturer or electrical authority.<\/p>\n\n <h3>How long will bare copper last in seawater at 2000 metres depth?<\/h3>\n <p>With proper termination (sealed, stainless steel connectors), the insulation protects the bare copper indefinitely even at 2000 metres seawater depth. The rubber 3GI3 insulation resists saltwater penetration, and the outer rubber 5GM5 sheath provides secondary protection. Field data from offshore platforms shows (N)SSHOEU cables with proper termination lasting 15\u201320+ years in continuous seawater submersion. Cable failure in saltwater environments almost always results from inadequate termination (water ingress at connection points), not from copper corrosion through intact insulation.<\/p>\n\n <h3>Is the cable suitable for drinking water applications?<\/h3>\n <p>The (N)SSHOEU cable is rated for industrial applications and is not specifically certified for drinking water systems (which require NSF or equivalent food-grade certification). For drinking water wells, use the TML submersible cable alternative, which features tinned copper and AD8 water-resistant insulation rated for potable water contact. The NSSHOEU cable is suitable for non-potable water, industrial dewatering, flood response, and temporary water transfer applications.<\/p>\n\n <h3>What is the voltage drop for a 500-metre 3×16+3×16\/3E installation at 100 A?<\/h3>\n <p>Using the specification data: R = 1.21 \u03a9\/km. R_500m = 0.605 \u03a9. For three-phase: V_drop = \u221a3 \u00d7 100 \u00d7 0.605 \u00d7 500 \/ 1000 = 52.4 V. For a 400 V three-phase supply, this is 13.1% voltage drop per phase (excessive\u2014consider upgrading to 3×25 configuration). For 3×25+3×16: R = 0.78 \u03a9\/km, R_500m = 0.39 \u03a9, V_drop = 33.8 V (8.5% per phase, acceptable). Always verify voltage drop is <5% for optimal efficiency. Use the online calculator at Feichun's technical portal.<\/p>\n\n <h3>Does (N)SSHOEU cable meet current mining safety regulations?<\/h3>\n <p>Yes, the cable’s flame-retardant insulation per VDE 0482-332-1-2 \/ IEC 60332-1-2 meets or exceeds most European and North American mining safety standards. However, specific mining regulations vary by jurisdiction and mining type (hard rock, coal, salt, etc.). Always consult your national mining authority and equipment manufacturer for cable approval in specific mining applications before installation. Feichun maintains current approvals and certifications for major mining jurisdictions worldwide.<\/p>\n\n <h3>Can the cable be exposed to direct sunlight outdoors?<\/h3>\n <p>Yes. The rubber 5GM5 sheath is UV-resistant and suitable for permanent outdoor installations with direct sunlight exposure. The cable maintains mechanical and electrical properties for 10+ years in continuous outdoor UV exposure. For tropical or extreme-UV environments, periodic inspection (every 3\u20135 years) is recommended to verify sheath condition and ensure no surface cracks have developed.<\/p>\n\n <h3>Are colour codes standardized?<\/h3>\n <p>Yes, per VDE 0293 (HD 308) standard. Brown = L1\/Phase A, Black = L2\/Phase B, Grey = L3\/Phase C, Green-Yellow = PE (Protective Earth). The cable is supplied with yellow outer sheath and colour-coded core insulation. Always verify core identification before connection to ensure correct phase assignment and earth safety.<\/p>\n\n <\/section>\n\n \n <section class=\"refs\" id=\"s13\">\n <h2>References & Standards Compliance<\/h2>\n <ol class=\"rl\">\n <li>Klaus Faber AG, <em>(N)SSHOEU \/3E Rubber Insulated Cable \u2014 Product Data Sheet<\/em>, dbl_nsshoeu3e_bk.pdf, Issue 04\/06\/2026.<\/li>\n <li>DIN VDE 0250 T.812, <em>Flexible cables and cords \u2014 Rubber insulated \u2014 Requirements and test methods<\/em>.<\/li>\n <li>DIN VDE 0293, <em>Colour coding for electrical cables and cords<\/em> (HD 308).<\/li>\n <li>DIN VDE 0295 \/ IEC 60228, <em>Conductors of insulated cables \u2014 Class 5 (very flexible)<\/em>.<\/li>\n <li>VDE 0482-332-1-2 \/ IEC 60332-1-2, <em>Vertical flame propagation test on single insulated wires or cables<\/em>.<\/li>\n <li>IEC 60811-1-2, <em>Insulating and sheathing materials of electric and optical cables \u2014 Water-resistance tests under pressure<\/em>.<\/li>\n <li>ASTM D573, <em>Standard Test Method for Rubber Deterioration in an Air Oven<\/em>.<\/li>\n <li>ASTM B117, <em>Standard Practice for Operating Salt Spray (Fog) Apparatus<\/em>.<\/li>\n <li>ASTM G154, <em>Standard Practice for Operating Xenon Arc Light Apparatus for Exposure of Materials<\/em> (for ozone resistance verification).<\/li>\n <li>IEC 60227-2-12, <em>Rubber insulated cables \u2014 Dynamic bending test<\/em>.<\/li>\n <\/ol>\n <\/section>\n\n <div class=\"contact\">\n <h3>Contact Anhui Feichun Special Cable Co., Ltd. \u2014 Industrial & Subsea Cable Specialists<\/h3>\n <div class=\"cg\">\n <div class=\"ci\"><span class=\"lb\">Technical Specifications & Application Engineering<\/span><a href=\"mailto:Tech@feichuncables.com\">Tech@feichuncables.com<\/a><\/div>\n <div class=\"ci\"><span class=\"lb\">Industrial & Mining Cable Procurement & Bulk Orders<\/span><a href=\"mailto:Tech@feichuncables.com\">Tech@feichuncables.com<\/a><\/div>\n <div class=\"ci\"><span class=\"lb\">Subsea & Deep-Water Cable Specialists<\/span><a href=\"mailto:Tech@feichuncables.com\">Tech@feichuncables.com<\/a><\/div>\n <div class=\"ci\"><span class=\"lb\">24\/7 Emergency Technical Support<\/span>+86 138 5608 5607<\/div>\n <div class=\"ci\"><span class=\"lb\">Technical WhatsApp & WeChat<\/span>+86 138 5512 3218<\/div>\n <\/div>\n <\/div>\n\n <footer class=\"ft\">\n <p>This technical guide is based on Feichun’s proprietary equivalent to the Klaus Faber (N)SSHOEU \/3E rubber insulated bare copper cable, featuring Class 5 very flexible conductors, rubber 3GI3 insulation and rubber 5GM5 sheath, flame-retardant protection, comprehensive chemical resistance (oil, ozone, UV), full DIN VDE 0250 T.812 compliance, and 2000-metre seawater depth certification for mining, industrial, subsea, and extreme mechanical stress applications. Original data from Klaus Faber AG datasheet dbl_nsshoeu3e_bk.pdf, Issue 04\/06\/2026. Specifications subject to change without notice. FC-SSHOEU\u2122 is a trademark of Anhui Feichun Special Cable Co., Ltd. (N)SSHOEU is a product specification of DIN VDE standards. \u00a9 2026 Anhui Feichun Special Cable Co., Ltd. All rights reserved.<\/p>\n <\/footer>\n\n<\/div>\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"0.6\/1 kV Rubber In…","protected":false},"author":1,"featured_media":10123,"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":[66,8,94,1],"tags":[16,171,152,107,176,111,139,214,17],"class_list":["post-10122","post","type-post","status-publish","format-standard","has-post-thumbnail","category-common-problems-encountered-in-cable-applications","category-cranes-and-material-handling-cable","category-din-vde-0250-mining-cable","category-uncategorized","tag-din-vde-0250","tag-explosion-proof-mining-cable","tag-heavy-duty-mining-cable","tag-heavy-duty-e-loader-mining-cable","tag-icea-s-75-381-2","tag-mining-cable","tag-mining-cables","tag-mining-power-cable","tag-reeling-cable","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/10122","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=10122"}],"version-history":[{"count":1,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/10122\/revisions"}],"predecessor-version":[{"id":10124,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/10122\/revisions\/10124"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/10123"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=10122"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/categories?post=10122"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/tags?post=10122"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":10122,"date":"2026-04-07T14:51:41","date_gmt":"2026-04-07T06:51:41","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=10122"},"modified":"2026-04-07T14:51:44","modified_gmt":"2026-04-07T06:51:44","slug":"nsshoeu-3e-cable","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/nsshoeu-3e-cable\/","title":{"rendered":"(N)SSHOEU \/3E Cable"},"content":{"rendered":"\n

0.6\/1 kV Rubber Insulated Cable with Bare Copper Class 5 Flexible Conductors, Rubber 3GI3 Insulation and 5GM5 Sheath, \u221240\u00b0C to +80\u00b0C Temperature Rating, and 2000 Metre Seawater Depth Certification \u2014 The Industry Standard for Underground Mining, Industrial Heavy Equipment, Construction Dewatering, Subsea Power Transmission, and Extreme Mechanical Stress Applications<\/p>\n\n\n\n

Professional-Grade Industrial Cable Engineering: Bare Copper Class 5 Very Flexible Stranding for Superior Mechanical Flexibility, Robust Rubber 3GI3 Insulation Protecting Against Permanent Submersion and Saltwater Corrosion, Heavy-Duty Rubber 5GM5 Sheath for Mechanical Protection and Abrasion Resistance, Flame-Retardant per VDE 0482-332-1-2, UV-Resistant, Oil-Resistant, and Ozone-Resistant Formulation, Colour-Coded Core Identification per VDE 0293, Multiple Configurations from 3×2.5 to 3×185, and Universal Compatibility with Mining Equipment, Deep-Water Submersible Applications, Offshore Installations, and High-Stress Industrial Systems<\/p>\n\n\n\n