{"id":6574,"date":"2026-02-09T11:52:03","date_gmt":"2026-02-09T03:52:03","guid":{"rendered":"https:\/\/feichuncables.com\/blog\/?p=6574"},"modified":"2026-02-09T11:52:46","modified_gmt":"2026-02-09T03:52:46","slug":"voltage-ratings-rheyfirm-30kv-can-generic-ntscgewou-match-nexans-20-35kv-rating","status":"publish","type":"post","link":"https:\/\/feichuncables.com\/blog\/voltage-ratings-rheyfirm-30kv-can-generic-ntscgewou-match-nexans-20-35kv-rating\/","title":{"rendered":"Voltage Ratings: RHEYFIRM\u00ae 30kV \u2014 Can Generic (N)TSCGEW\u00d6U Match Nexans&#8217; 20\/35kV Rating?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u7535\u538b\u7b49\u7ea7\u6280\u672f\u5206\u6790\uff1a\u901a\u7528\u578b(N)TSCGEW\u00d6U\u7535\u7f06\u80fd\u5426\u8fbe\u5230\u8010\u514b\u68eeRHEYFIRM\u00ae 20\/35kV\u7684\u6280\u672f\u89c4\u683c\uff1f<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-dominant-color=\"7794b3\" data-has-transparency=\"false\" style=\"--dominant-color: #7794b3;\" loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"628\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" src=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-767-1080x628.avif\" alt=\"\" class=\"wp-image-6580 not-transparent\" title=\"\" srcset=\"https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-767-1080x628.avif 1080w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-767-300x174.avif 300w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-767-768x447.avif 768w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-767-400x233.avif 400w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-767-800x465.avif 800w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-767-832x484.avif 832w, https:\/\/feichuncables.com\/blog\/wp-content\/uploads\/image-767.avif 1109w\" \/><\/figure>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n<meta charset=\"UTF-8\">\n<meta name=\"viewport\" content=\"width=device-width,initial-scale=1.0\">\n<meta name=\"description\" content=\"Technical analysis: Can generic (N)TSCGEW\u00d6U cables match Nexans RHEYFIRM\u00ae 30kV specifications at 20\/35kV rating? Anhui Feichun Special Cable manufacturing capabilities.\">\n<title>Voltage Ratings: RHEYFIRM\u00ae 30kV vs Generic (N)TSCGEW\u00d6U 20\/35kV | Anhui Feichun Special Cable<\/title>\n<style>\n:root{--bg:#fff;--text:#1a1a2e;--text-secondary:#4a4a68;--border:#d0d0e0;--table-header:#f0f4f8;--table-alt:#f8fafc;--accent:#0066cc;--accent-dark:#004999;--card-bg:#fff;--code-bg:#f5f5f5}\n@media(prefers-color-scheme:dark){:root{--bg:#0d1117;--text:#e6edf3;--text-secondary:#8b949e;--border:#30363d;--table-header:#161b22;--table-alt:#161b22;--accent:#58a6ff;--accent-dark:#79c0ff;--card-bg:#21262d;--code-bg:#161b22}}\n*{box-sizing:border-box;margin:0;padding:0}\nhtml{font-size:16px;scroll-behavior:smooth}\nbody{font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;padding:0;max-width:100%}\n.container{max-width:960px;margin:0 auto;padding:2rem 1.5rem}\nheader{border-bottom:3px solid var(--accent);padding-bottom:1.5rem;margin-bottom:2rem}\nh1{font-size:1.75rem;font-weight:700;color:var(--text);margin-bottom:.5rem;line-height:1.3}\n.subtitle{font-size:1rem;color:var(--text-secondary);margin-bottom:.75rem}\n.company-name{font-size:.9rem;color:var(--accent);font-weight:600}\n.company-cn{font-size:.85rem;color:var(--text-secondary);font-weight:400}\n.meta{font-size:.8rem;color:var(--text-secondary);margin-top:.75rem}\nh2{font-size:1.35rem;font-weight:600;color:var(--text);margin:2rem 0 1rem;padding-bottom:.5rem;border-bottom:2px solid var(--border)}\nh3{font-size:1.1rem;font-weight:600;color:var(--text);margin:1.5rem 0 .75rem}\np{margin-bottom:1rem;text-align:justify}\n.highlight-box{background:var(--card-bg);border-left:4px solid var(--accent);padding:1rem 1.25rem;margin:1.5rem 0;border-radius:0 6px 6px 0}\n.highlight-box p{margin-bottom:.5rem}\n.highlight-box p:last-child{margin-bottom:0}\ntable{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:.9rem}\nth,td{padding:.75rem 1rem;text-align:left;border:1px solid var(--border)}\nth{background:var(--table-header);font-weight:600;white-space:nowrap}\ntr:nth-child(even){background:var(--table-alt)}\ntd:first-child{font-weight:500}\n.spec-value{font-family:\"SF Mono\",Monaco,Consolas,monospace;font-size:.85rem}\n.unit{color:var(--text-secondary);font-size:.8rem}\ncode{background:var(--code-bg);padding:.15rem .4rem;border-radius:3px;font-size:.85rem;font-family:\"SF Mono\",Monaco,Consolas,monospace}\n.references{margin-top:2.5rem;padding-top:1.5rem;border-top:2px solid var(--border)}\n.references h2{border-bottom:none;margin-top:0}\n.ref-list{font-size:.85rem;color:var(--text-secondary)}\n.ref-list li{margin-bottom:.6rem;word-break:break-word}\n.ref-list a{color:var(--accent);text-decoration:none}\n.ref-list a:hover{text-decoration:underline}\n.contact-section{background:var(--card-bg);border:1px solid var(--border);border-radius:8px;padding:1.5rem;margin-top:2rem}\n.contact-section h3{margin-top:0;color:var(--accent)}\n.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-top:1rem}\n.contact-item{font-size:.9rem}\n.contact-item strong{display:block;color:var(--text);margin-bottom:.25rem}\n.contact-item a{color:var(--accent);text-decoration:none}\n.note{font-size:.85rem;color:var(--text-secondary);font-style:italic;margin:1rem 0}\n.comparison-note{background:var(--table-alt);padding:.75rem 1rem;border-radius:4px;font-size:.85rem;margin:1rem 0}\nfooter{margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--border);font-size:.8rem;color:var(--text-secondary);text-align:center}\n@media(max-width:600px){.container{padding:1rem}h1{font-size:1.4rem}h2{font-size:1.15rem}table{font-size:.8rem}th,td{padding:.5rem}}\n<\/style>\n<\/head>\n<body>\n<article class=\"container\">\n<header>\n<h1>Voltage Ratings: RHEYFIRM\u00ae 30kV \u2014 Can Generic (N)TSCGEW\u00d6U Match Nexans&#8217; 20\/35kV Rating?<\/h1>\n<p class=\"subtitle\">\u7535\u538b\u7b49\u7ea7\u6280\u672f\u5206\u6790\uff1a\u901a\u7528\u578b(N)TSCGEW\u00d6U\u7535\u7f06\u80fd\u5426\u8fbe\u5230\u8010\u514b\u68eeRHEYFIRM\u00ae 20\/35kV\u7684\u6280\u672f\u89c4\u683c\uff1f<\/p>\n<p class=\"company-name\">Anhui Feichun Special Cable Co., Ltd. <span class=\"company-cn\">\u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8<\/span><\/p>\n<p class=\"meta\">Technical Analysis | DIN VDE 0250-813 | IEC 60502-2 | Medium Voltage Reeling Cables<\/p>\n<\/header>\n\n<section>\n<h2>1. Introduction to RHEYFIRM\u00ae Cable Technology \/ RHEYFIRM\u00ae\u7535\u7f06\u6280\u672f\u7b80\u4ecb<\/h2>\n<p>The RHEYFIRM\u00ae series represents Nexans&#8217; premium line of flexible high-voltage and medium-voltage reeling cables, engineered specifically for demanding industrial applications requiring exceptional mechanical stress resistance combined with reliable electrical performance. These cables are manufactured according to the stringent requirements of DIN VDE 0250 Part 813, which governs trailing cables with rated voltages from 0.6\/1 kV up to 20\/35 kV.<\/p>\n<p class=\"note\">RHEYFIRM\u00ae\u7cfb\u5217\u662f\u8010\u514b\u68ee\u516c\u53f8\u7684\u9ad8\u7aef\u67d4\u6027\u9ad8\u538b\u548c\u4e2d\u538b\u5377\u7b52\u7535\u7f06\u4ea7\u54c1\u7ebf\uff0c\u4e13\u95e8\u9488\u5bf9\u9700\u8981\u5353\u8d8a\u673a\u68b0\u5e94\u529b\u8010\u53d7\u6027\u548c\u53ef\u9760\u7535\u6c14\u6027\u80fd\u7684\u82db\u523b\u5de5\u4e1a\u5e94\u7528\u800c\u8bbe\u8ba1\u3002\u8fd9\u4e9b\u7535\u7f06\u6309\u7167DIN VDE 0250\u7b2c813\u90e8\u5206\u7684\u4e25\u683c\u8981\u6c42\u5236\u9020\uff0c\u8be5\u6807\u51c6\u89c4\u5b9a\u4e86\u989d\u5b9a\u7535\u538b\u4ece0.6\/1 kV\u81f320\/35 kV\u7684\u62d6\u66f3\u7535\u7f06\u6280\u672f\u89c4\u8303\u3002<\/p>\n<p>The designation <code>(N)TSCGEW\u00d6U<\/code> follows German cable nomenclature standards, where each letter represents specific construction characteristics: flexible stranded tinned copper conductor, rubber insulation with semiconductive layers, braided copper screen, and rubber outer sheath with specific oil and flame resistance properties.<\/p>\n<\/section>\n\n<section>\n<h2>2. Voltage Rating Systems: Understanding Uo\/U(Um) \/ \u7535\u538b\u7b49\u7ea7\u4f53\u7cfb\u89e3\u6790<\/h2>\n<p>Medium voltage cable ratings follow the international convention of expressing voltage as Uo\/U(Um), where Uo represents the voltage between conductor and screen (phase-to-ground), U represents the voltage between phase conductors, and Um represents the maximum system voltage for which the cable may be used.<\/p>\n\n<div class=\"highlight-box\">\n<p><strong>Key Voltage Terminology \/ \u5173\u952e\u7535\u538b\u672f\u8bed\uff1a<\/strong><\/p>\n<p><strong>Uo<\/strong> = Rated power frequency voltage between conductor and earth\/screen\uff08\u5bfc\u4f53\u4e0e\u5c4f\u853d\u5c42\u95f4\u7684\u989d\u5b9a\u5de5\u9891\u7535\u538b\uff09<\/p>\n<p><strong>U<\/strong> = Rated power frequency voltage between phase conductors\uff08\u76f8\u95f4\u989d\u5b9a\u5de5\u9891\u7535\u538b\uff09<\/p>\n<p><strong>Um<\/strong> = Maximum system voltage = 1.2 \u00d7 U\uff08\u6700\u9ad8\u7cfb\u7edf\u7535\u538b\uff09<\/p>\n<\/div>\n\n<table>\n<caption style=\"text-align:left;margin-bottom:.75rem;font-weight:600;\">Table 1: Standard MV Voltage Ratings per DIN VDE 0250-813 &#038; IEC 60502-2<\/caption>\n<thead>\n<tr><th>Uo\/U Rating<\/th><th>Um <span class=\"unit\">(kV)<\/span><\/th><th>AC Test Voltage <span class=\"unit\">(kV)<\/span><\/th><th>Max. Operating AC <span class=\"unit\">(kV)<\/span><\/th><th>Application Category<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td class=\"spec-value\">3.6\/6 kV<\/td><td class=\"spec-value\">7.2<\/td><td class=\"spec-value\">11<\/td><td class=\"spec-value\">7.2<\/td><td>Low-MV Mining<\/td><\/tr>\n<tr><td class=\"spec-value\">6\/10 kV<\/td><td class=\"spec-value\">12<\/td><td class=\"spec-value\">17<\/td><td class=\"spec-value\">12<\/td><td>Standard Cranes<\/td><\/tr>\n<tr><td class=\"spec-value\">8.7\/15 kV<\/td><td class=\"spec-value\">17.5<\/td><td class=\"spec-value\">24<\/td><td class=\"spec-value\">17.5<\/td><td>Heavy Equipment<\/td><\/tr>\n<tr><td class=\"spec-value\">12\/20 kV<\/td><td class=\"spec-value\">24<\/td><td class=\"spec-value\">29<\/td><td class=\"spec-value\">24<\/td><td>Large Mobile Machinery<\/td><\/tr>\n<tr><td class=\"spec-value\">18\/30 kV<\/td><td class=\"spec-value\">36<\/td><td class=\"spec-value\">43<\/td><td class=\"spec-value\">36<\/td><td>High-Power Applications<\/td><\/tr>\n<tr><td class=\"spec-value\">20\/35 kV<\/td><td class=\"spec-value\">42<\/td><td class=\"spec-value\">50<\/td><td class=\"spec-value\">42<\/td><td>Maximum Rating<\/td><\/tr>\n<\/tbody>\n<\/table>\n<p class=\"note\">\u88681\uff1aDIN VDE 0250-813\u548cIEC 60502-2\u6807\u51c6\u4e2d\u538b\u7535\u538b\u7b49\u7ea7\u5bf9\u7167\u8868<\/p>\n<\/section>\n\n<section>\n<h2>3. RHEYFIRM\u00ae 18\/30kV vs. 20\/35kV: Technical Differences \/ \u6280\u672f\u5dee\u5f02\u5206\u6790<\/h2>\n<p>The Nexans RHEYFIRM\u00ae (SI) NTMCGCWOEUS series is typically manufactured with a maximum permissible operating voltage (Ubmax) of 36 kV for AC systems and 54 kV for DC systems, corresponding to the 18\/30 kV rating class. The test voltage according to DIN VDE 0250 Part 813 is 43 kV AC.<\/p>\n\n<div class=\"comparison-note\">\n<strong>Critical Engineering Question \/ \u5173\u952e\u5de5\u7a0b\u95ee\u9898\uff1a<\/strong> Can a cable designed to 18\/30kV specifications be upgraded to meet 20\/35kV requirements through modifications to insulation thickness and construction parameters?\uff08\u630918\/30kV\u89c4\u683c\u8bbe\u8ba1\u7684\u7535\u7f06\u80fd\u5426\u901a\u8fc7\u8c03\u6574\u7edd\u7f18\u539a\u5ea6\u548c\u7ed3\u6784\u53c2\u6570\u5347\u7ea7\u523020\/35kV\u8981\u6c42\uff1f\uff09\n<\/div>\n\n<h3>3.1 Insulation Thickness Requirements \/ \u7edd\u7f18\u539a\u5ea6\u8981\u6c42<\/h3>\n<p>According to IEC 60502-2, the nominal insulation thickness for EPR (Ethylene Propylene Rubber) insulated cables varies significantly with voltage rating. For medium voltage cables, the insulation thickness is the primary factor determining the voltage withstand capability.<\/p>\n\n<table>\n<caption style=\"text-align:left;margin-bottom:.75rem;font-weight:600;\">Table 2: Insulation Thickness Comparison for EPR\/HEPR Cables (IEC 60502-2)<\/caption>\n<thead>\n<tr><th>Voltage Rating Uo\/U<\/th><th>Minimum Insulation <span class=\"unit\">(mm)<\/span><\/th><th>Nominal Insulation <span class=\"unit\">(mm)<\/span><\/th><th>Increase vs. 18\/30kV<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td class=\"spec-value\">6\/10 kV<\/td><td class=\"spec-value\">3.4<\/td><td class=\"spec-value\">3.4<\/td><td>\u2014<\/td><\/tr>\n<tr><td class=\"spec-value\">8.7\/15 kV<\/td><td class=\"spec-value\">4.5<\/td><td class=\"spec-value\">4.5<\/td><td>\u2014<\/td><\/tr>\n<tr><td class=\"spec-value\">12\/20 kV<\/td><td class=\"spec-value\">5.5<\/td><td class=\"spec-value\">5.5<\/td><td>\u2014<\/td><\/tr>\n<tr><td class=\"spec-value\">18\/30 kV<\/td><td class=\"spec-value\">8.0<\/td><td class=\"spec-value\">8.0<\/td><td>Baseline<\/td><\/tr>\n<tr><td class=\"spec-value\">20\/35 kV<\/td><td class=\"spec-value\">9.0<\/td><td class=\"spec-value\">9.0\u20139.5<\/td><td>+12.5\u201318.75%<\/td><\/tr>\n<\/tbody>\n<\/table>\n<p class=\"note\">\u88682\uff1aEPR\/HEPR\u7edd\u7f18\u7535\u7f06\u7edd\u7f18\u539a\u5ea6\u5bf9\u6bd4\uff08\u4f9d\u636eIEC 60502-2\uff09<\/p>\n\n<h3>3.2 Test Voltage Requirements \/ \u8bd5\u9a8c\u7535\u538b\u8981\u6c42<\/h3>\n<p>The transition from 18\/30kV to 20\/35kV rating requires meeting significantly higher test voltage standards, which validates the integrity of the entire insulation system including semiconductive layers, main insulation, and the interface between insulation and metallic screening.<\/p>\n\n<table>\n<caption style=\"text-align:left;margin-bottom:.75rem;font-weight:600;\">Table 3: Electrical Test Parameters Comparison<\/caption>\n<thead>\n<tr><th>Parameter<\/th><th>18\/30kV Class<\/th><th>20\/35kV Class<\/th><th>Increase<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td>AC Test Voltage (routine)<\/td><td class=\"spec-value\">43 kV<\/td><td class=\"spec-value\">50 kV<\/td><td class=\"spec-value\">+16.3%<\/td><\/tr>\n<tr><td>Partial Discharge Test Voltage<\/td><td class=\"spec-value\">27 kV<\/td><td class=\"spec-value\">31.5 kV<\/td><td class=\"spec-value\">+16.7%<\/td><\/tr>\n<tr><td>Impulse Withstand (1.2\/50 \u03bcs)<\/td><td class=\"spec-value\">170 kV<\/td><td class=\"spec-value\">200 kV<\/td><td class=\"spec-value\">+17.6%<\/td><\/tr>\n<tr><td>Maximum Operating Voltage Um<\/td><td class=\"spec-value\">36 kV<\/td><td class=\"spec-value\">42 kV<\/td><td class=\"spec-value\">+16.7%<\/td><\/tr>\n<\/tbody>\n<\/table>\n<p class=\"note\">\u88683\uff1a\u7535\u6c14\u8bd5\u9a8c\u53c2\u6570\u5bf9\u6bd4<\/p>\n<\/section>\n\n<section>\n<h2>4. Manufacturing Feasibility: Generic (N)TSCGEW\u00d6U at 20\/35kV \/ \u5236\u9020\u53ef\u884c\u6027\u5206\u6790<\/h2>\n<p>The technical feasibility of manufacturing generic (N)TSCGEW\u00d6U cables to match or exceed the Nexans RHEYFIRM\u00ae 20\/35kV performance specifications depends on several critical manufacturing capabilities.<\/p>\n\n<h3>4.1 Key Manufacturing Requirements \/ \u5173\u952e\u5236\u9020\u8981\u6c42<\/h3>\n<p>To achieve 20\/35kV rating compliance according to DIN VDE 0250-813 and IEC 60502-2 standards, the following technical specifications must be met:<\/p>\n\n<table>\n<caption style=\"text-align:left;margin-bottom:.75rem;font-weight:600;\">Table 4: Construction Specifications for 20\/35kV (N)TSCGEW\u00d6U Cables<\/caption>\n<thead>\n<tr><th>Component<\/th><th>Material\/Specification<\/th><th>Standard Reference<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td>Conductor<\/td><td class=\"spec-value\">Tinned copper, Class 5 flexible, IEC 60228<\/td><td>DIN VDE 0295<\/td><\/tr>\n<tr><td>Conductor Screen<\/td><td class=\"spec-value\">Semiconductive EPR, \u2264200 \u03a9\u00b7m<\/td><td>DIN VDE 0207-20<\/td><\/tr>\n<tr><td>Insulation<\/td><td class=\"spec-value\">3GI3 EPR compound, 9.0\u20139.5 mm thick<\/td><td>DIN VDE 0207-20<\/td><\/tr>\n<tr><td>Insulation Screen<\/td><td class=\"spec-value\">Strippable semiconductive layer<\/td><td>DIN VDE 0207-20<\/td><\/tr>\n<tr><td>Metallic Screen<\/td><td class=\"spec-value\">Copper wire braid\/spiral wrap<\/td><td>DIN VDE 0250-813<\/td><\/tr>\n<tr><td>Inner Sheath<\/td><td class=\"spec-value\">GM1b rubber compound<\/td><td>DIN VDE 0207-21<\/td><\/tr>\n<tr><td>Outer Sheath<\/td><td class=\"spec-value\">5GM5 PCP, oil &#038; flame resistant<\/td><td>DIN VDE 0207-21<\/td><\/tr>\n<\/tbody>\n<\/table>\n<p class=\"note\">\u88684\uff1a20\/35kV (N)TSCGEW\u00d6U\u7535\u7f06\u7ed3\u6784\u89c4\u683c<\/p>\n\n<h3>4.2 Anhui Feichun Manufacturing Capabilities \/ \u5b89\u5fbd\u98de\u7eaf\u5236\u9020\u80fd\u529b<\/h3>\n<div class=\"highlight-box\">\n<p><strong>Anhui Feichun Special Cable Co., Ltd.<\/strong> possesses the technical expertise and manufacturing infrastructure to produce (N)TSCGEW\u00d6U medium voltage reeling cables meeting 20\/35kV specifications. Our capabilities include:<\/p>\n<p>\u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8\u5177\u5907\u751f\u4ea7\u7b26\u540820\/35kV\u89c4\u683c\u7684(N)TSCGEW\u00d6U\u4e2d\u538b\u5377\u7b52\u7535\u7f06\u7684\u6280\u672f\u4e13\u957f\u548c\u5236\u9020\u57fa\u7840\u8bbe\u65bd\uff1a<\/p>\n<\/div>\n\n<table>\n<caption style=\"text-align:left;margin-bottom:.75rem;font-weight:600;\">Table 5: Feichun Manufacturing Capability Matrix<\/caption>\n<thead>\n<tr><th>Capability Area<\/th><th>Specification Range<\/th><th>Compliance Standard<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td>Voltage Rating Range<\/td><td class=\"spec-value\">0.6\/1 kV to 20\/35 kV<\/td><td>DIN VDE 0250-813<\/td><\/tr>\n<tr><td>Conductor Cross-Section<\/td><td class=\"spec-value\">16 mm\u00b2 to 400 mm\u00b2<\/td><td>IEC 60228 Class 5<\/td><\/tr>\n<tr><td>Core Configuration<\/td><td class=\"spec-value\">1-core to 6-core + control<\/td><td>Custom designs<\/td><\/tr>\n<tr><td>Operating Temperature<\/td><td class=\"spec-value\">-40\u00b0C to +90\u00b0C<\/td><td>DIN VDE 0298-4<\/td><\/tr>\n<tr><td>Reeling Speed<\/td><td class=\"spec-value\">Up to 190 m\/min<\/td><td>Application specific<\/td><\/tr>\n<tr><td>Minimum Bending Radius<\/td><td class=\"spec-value\">12\u00d7 to 15\u00d7 OD<\/td><td>DIN VDE 0298-4<\/td><\/tr>\n<\/tbody>\n<\/table>\n<p class=\"note\">\u88685\uff1a\u98de\u7eaf\u5236\u9020\u80fd\u529b\u77e9\u9635<\/p>\n<\/section>\n\n<section>\n<h2>5. Quality Assurance &#038; Testing Protocol \/ \u8d28\u91cf\u4fdd\u8bc1\u4e0e\u6d4b\u8bd5\u89c4\u7a0b<\/h2>\n<p>Every 20\/35kV rated cable manufactured by Anhui Feichun undergoes comprehensive type testing and routine testing in accordance with international standards to ensure full compliance with performance requirements.<\/p>\n\n<table>\n<caption style=\"text-align:left;margin-bottom:.75rem;font-weight:600;\">Table 6: Testing Protocol for 20\/35kV Cables<\/caption>\n<thead>\n<tr><th>Test Category<\/th><th>Test Method<\/th><th>Acceptance Criteria<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td>AC Voltage Withstand<\/td><td class=\"spec-value\">50 kV \/ 5 min<\/td><td>No breakdown<\/td><\/tr>\n<tr><td>Partial Discharge<\/td><td class=\"spec-value\">@31.5 kV (1.5\u00d7Uo)<\/td><td>&lt;10 pC<\/td><\/tr>\n<tr><td>Insulation Resistance<\/td><td class=\"spec-value\">@90\u00b0C<\/td><td>&gt;100 M\u03a9\u00b7km<\/td><\/tr>\n<tr><td>Hot Set Test<\/td><td class=\"spec-value\">200\u00b0C \/ 15 min<\/td><td>Elongation &lt;175%<\/td><\/tr>\n<tr><td>Flame Retardance<\/td><td class=\"spec-value\">EN 60332-1-2<\/td><td>Self-extinguishing<\/td><\/tr>\n<tr><td>Oil Resistance<\/td><td class=\"spec-value\">EN 60811-2-1<\/td><td>Per specification<\/td><\/tr>\n<\/tbody>\n<\/table>\n<p class=\"note\">\u88686\uff1a20\/35kV\u7535\u7f06\u6d4b\u8bd5\u89c4\u7a0b<\/p>\n<\/section>\n\n<section>\n<h2>6. Application Scenarios \/ \u5e94\u7528\u573a\u666f<\/h2>\n<p>20\/35kV rated (N)TSCGEW\u00d6U cables are essential for high-power mobile equipment applications where standard 18\/30kV ratings are insufficient to provide adequate safety margins or where system voltage requirements exceed 36kV Um.<\/p>\n\n<table>\n<caption style=\"text-align:left;margin-bottom:.75rem;font-weight:600;\">Table 7: Primary Application Areas for 20\/35kV Reeling Cables<\/caption>\n<thead>\n<tr><th>Application<\/th><th>Typical Power Range<\/th><th>Key Requirements<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td>Ship-to-Shore Cranes (STS)<\/td><td class=\"spec-value\">2\u20138 MW<\/td><td>High flex cycles, salt spray resistance<\/td><\/tr>\n<tr><td>Stacker Reclaimers<\/td><td class=\"spec-value\">1\u20135 MW<\/td><td>Abrasion resistance, long lengths<\/td><\/tr>\n<tr><td>Mining Excavators<\/td><td class=\"spec-value\">3\u201315 MW<\/td><td>Oil resistance, mechanical toughness<\/td><\/tr>\n<tr><td>Tunnel Boring Machines<\/td><td class=\"spec-value\">2\u201310 MW<\/td><td>Moisture resistance, flexibility<\/td><\/tr>\n<tr><td>Ship Unloaders<\/td><td class=\"spec-value\">1\u20134 MW<\/td><td>Torsion resistance, UV stability<\/td><\/tr>\n<\/tbody>\n<\/table>\n<p class=\"note\">\u88687\uff1a20\/35kV\u5377\u7b52\u7535\u7f06\u4e3b\u8981\u5e94\u7528\u9886\u57df<\/p>\n<\/section>\n\n<section>\n<h2>7. Conclusion: Matching RHEYFIRM\u00ae Performance \/ \u7ed3\u8bba<\/h2>\n<p>Based on our technical analysis, generic (N)TSCGEW\u00d6U cables can be manufactured to fully match or exceed Nexans RHEYFIRM\u00ae 20\/35kV specifications, provided that manufacturers possess adequate quality control systems, utilize appropriate high-grade materials conforming to DIN VDE 0207 compound specifications, and conduct comprehensive type testing per DIN VDE 0250-813 and IEC 60502-2 requirements.<\/p>\n<p>Anhui Feichun Special Cable Co., Ltd. has demonstrated capability to produce medium voltage reeling cables up to 30kV with construction meeting international standards, making the 20\/35kV rating achievable through optimized insulation wall thickness and enhanced quality control protocols.<\/p>\n<p class=\"note\">\u6839\u636e\u6211\u4eec\u7684\u6280\u672f\u5206\u6790\uff0c\u901a\u7528\u578b(N)TSCGEW\u00d6U\u7535\u7f06\u53ef\u4ee5\u5236\u9020\u6210\u5b8c\u5168\u5339\u914d\u6216\u8d85\u8d8a\u8010\u514b\u68eeRHEYFIRM\u00ae 20\/35kV\u89c4\u683c\uff0c\u524d\u63d0\u662f\u5236\u9020\u5546\u5177\u5907\u5145\u5206\u7684\u8d28\u91cf\u63a7\u5236\u4f53\u7cfb\uff0c\u4f7f\u7528\u7b26\u5408DIN VDE 0207\u590d\u5408\u6750\u6599\u89c4\u8303\u7684\u9ad8\u7b49\u7ea7\u6750\u6599\uff0c\u5e76\u6309\u7167DIN VDE 0250-813\u548cIEC 60502-2\u8981\u6c42\u8fdb\u884c\u5168\u9762\u7684\u578b\u5f0f\u8bd5\u9a8c\u3002\u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8\u5df2\u8bc1\u660e\u6709\u80fd\u529b\u751f\u4ea7\u7b26\u5408\u56fd\u9645\u6807\u51c6\u7684\u9ad8\u8fbe30kV\u7684\u4e2d\u538b\u5377\u7b52\u7535\u7f06\uff0c\u901a\u8fc7\u4f18\u5316\u7edd\u7f18\u58c1\u539a\u548c\u52a0\u5f3a\u8d28\u91cf\u63a7\u5236\u89c4\u7a0b\u53ef\u5b9e\u73b020\/35kV\u7b49\u7ea7\u3002<\/p>\n<\/section>\n\n<section class=\"contact-section\">\n<h3>Contact Anhui Feichun Special Cable \/ \u8054\u7cfb\u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06<\/h3>\n<div class=\"contact-grid\">\n<div class=\"contact-item\"><strong>WhatsApp<\/strong><a href=\"https:\/\/wa.me\/8613855123218\" rel=\"nofollow noopener\" target=\"_blank\">+86 138 5512 3218<\/a><\/div>\n<div class=\"contact-item\"><strong>Technical Support<\/strong><a href=\"mailto:tech@feichuncables.com\" rel=\"nofollow\">tech@feichuncables.com<\/a><\/div>\n<div class=\"contact-item\"><strong>Sales (Mr. Yang)<\/strong><a href=\"mailto:zihao.yang@feichuncables.com\" rel=\"nofollow\">zihao.yang@feichuncables.com<\/a><\/div>\n<div class=\"contact-item\"><strong>Sales (Mr. Huang)<\/strong><a href=\"mailto:ziyu.huang@feichuncables.com\" rel=\"nofollow\">ziyu.huang@feichuncables.com<\/a><\/div>\n<\/div>\n<\/section>\n\n<section class=\"references\">\n<h2>References &#038; Standards \/ \u53c2\u8003\u6587\u732e\u4e0e\u6807\u51c6<\/h2>\n<ol class=\"ref-list\">\n<li>DIN VDE 0250-813:1985 \u2013 Cables, wires and flexible cords for power installation; Trailing cable. <a href=\"https:\/\/www.vde-verlag.de\/standards\/0250029\/din-vde-0250-813-vde-0250-813-1985-05.html\" rel=\"nofollow noopener\" target=\"_blank\">VDE Verlag<\/a><\/li>\n<li>IEC 60502-2 \u2013 Power cables with extruded insulation for rated voltages from 6 kV up to 30 kV. <a href=\"https:\/\/www.iec.ch\/\" rel=\"nofollow noopener\" target=\"_blank\">IEC<\/a><\/li>\n<li>DIN VDE 0207-20 \u2013 Rubber insulating compounds for cables. <a href=\"https:\/\/www.dinmedia.de\/\" rel=\"nofollow noopener\" target=\"_blank\">DIN Media<\/a><\/li>\n<li>DIN VDE 0207-21 \u2013 Thermosetting sheath compounds for cables. <a href=\"https:\/\/www.dinmedia.de\/\" rel=\"nofollow noopener\" target=\"_blank\">DIN Media<\/a><\/li>\n<li>IEC 60228 \u2013 Conductors of insulated cables. <a href=\"https:\/\/www.iec.ch\/\" rel=\"nofollow noopener\" target=\"_blank\">IEC<\/a><\/li>\n<li>Nexans Deutschland GmbH \u2013 RHEYFIRM\u00ae (SI) NTMCGCWOEUS 18\/30 kV Technical Data. <a href=\"https:\/\/www.nexans.de\/\" rel=\"nofollow noopener\" target=\"_blank\">Nexans Germany<\/a><\/li>\n<li>Tratos Group \u2013 DIN VDE 250 Part 813 Standard Overview. <a href=\"https:\/\/tratosgroup.com\/products\/standards\/others\/din-vde-250-part-813\/\" rel=\"nofollow noopener\" target=\"_blank\">Tratos<\/a><\/li>\n<li>Eland Cables \u2013 IEC 60502 Standard Cable Technical Guide. <a href=\"https:\/\/www.elandcables.com\/electrical-cable-and-accessories\/cables-by-standard\/iec-60502-cable\" rel=\"nofollow noopener\" target=\"_blank\">Eland Cables<\/a><\/li>\n<li>CSE Industrial Electrical Distributors \u2013 RHEYFIRM\u00ae Cable Series. <a href=\"https:\/\/www.cse-distributors.co.uk\/cable\/nexans-handling-cable\/rheyfirmrts-ntscgewtoeus-cable.html\" rel=\"nofollow noopener\" target=\"_blank\">CSE Distributors<\/a><\/li>\n<li>EN 60332-1-2 \u2013 Tests on electric and optical fibre cables under fire conditions. <a href=\"https:\/\/www.cenelec.eu\/\" rel=\"nofollow noopener\" target=\"_blank\">CENELEC<\/a><\/li>\n<\/ol>\n<\/section>\n\n<footer>\n<p>\u00a9 2025 Anhui Feichun Special Cable Co., Ltd. \u5b89\u5fbd\u98de\u7eaf\u7279\u79cd\u7535\u7f06\u6709\u9650\u516c\u53f8 | Technical content for professional reference only.<\/p>\n<\/footer>\n<\/article>\n<\/body>\n<\/html>\n","protected":false},"excerpt":{"rendered":"The RHEYFIRM\u00ae series represents Nexans&#8217; premium line of flexible high-voltage and medium-voltage reeling cables, engineered specifically for demanding industrial applications requiring exceptional mechanical stress resistance combined with reliable electrical performance. These cables are manufactured according to the stringent requirements of DIN VDE 0250 Part 813, which governs trailing cables with rated voltages from 0.6\/1 kV up to 20\/35 kV.\nRHEYFIRM\u00ae\u7cfb\u5217\u662f\u8010\u514b\u68ee\u516c\u53f8\u7684\u9ad8\u7aef\u67d4\u6027\u9ad8\u538b\u548c\u4e2d\u538b\u5377\u7b52\u7535\u7f06\u4ea7\u54c1\u7ebf\uff0c\u4e13\u95e8\u9488\u5bf9\u9700\u8981\u5353\u8d8a\u673a\u68b0\u5e94\u529b\u8010\u53d7\u6027\u548c\u53ef\u9760\u7535\u6c14\u6027\u80fd\u7684\u82db\u523b\u5de5\u4e1a\u5e94\u7528\u800c\u8bbe\u8ba1\u3002\u8fd9\u4e9b\u7535\u7f06\u6309\u7167DIN VDE 0250\u7b2c813\u90e8\u5206\u7684\u4e25\u683c\u8981\u6c42\u5236\u9020\uff0c\u8be5\u6807\u51c6\u89c4\u5b9a\u4e86\u989d\u5b9a\u7535\u538b\u4ece0.6\/1 kV\u81f320\/35 kV\u7684\u62d6\u66f3\u7535\u7f06\u6280\u672f\u89c4\u8303\u3002","protected":false},"author":1,"featured_media":6580,"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":[66,8,56],"tags":[40,41843,41848,5586,41852,41290,33104,2750,3229,41850,2788,955,16,548,820,171,1685,41320,28087,3366,152,107,4322,1676,176,4813,618,166,138,111,139,4307,214,204,1696,2902,41846,38513,41845,41844,796,17,801,41851,26393,41847,5156,3359,2782,2401,32105,995,2604,2790,766,41849,228,1187,12510],"class_list":["post-6574","post","type-post","status-publish","format-standard","has-post-thumbnail","category-common-problems-encountered-in-cable-applications","category-cranes-and-material-handling-cable","category-reeling-cable","tag-ntscgewou","tag-18-30kv-flexible-cable","tag-18-30kv-reeling-cable","tag-20-35kv-cable","tag-30kv-flexible-cable","tag-3gi3-insulation","tag-5gm5-sheath","tag-90c-rated-cable","tag-anhui-feichun-cable","tag-china-mv-cable-manufacturer","tag-class-5-conductor-cable","tag-din-vde-0207-20","tag-din-vde-0250","tag-din-vde-0250-813","tag-epr-insulated-cable","tag-explosion-proof-mining-cable","tag-festoon-system-cable","tag-flame-retardant-reeling-cable","tag-flexible-high-voltage-cable","tag-flexible-stranded-conductor","tag-heavy-duty-mining-cable","tag-heavy-duty-e-loader-mining-cable","tag-high-flex-cycle-cable","tag-high-voltage-trailing-cable","tag-icea-s-75-381-2","tag-iec-60228-class-5","tag-iec-60502-2","tag-medium-voltage-reeling-cable","tag-medium-voltage-trailing-cable","tag-mining-cable","tag-mining-cables","tag-mining-excavator-cable","tag-mining-power-cable","tag-mining-trailing-cable","tag-mobile-equipment-cable","tag-mobile-equipment-power-cable","tag-mv-crane-cable","tag-nexans-equivalent-cable","tag-ntmcgcwoeus","tag-ntscgewtoeus","tag-oil-resistant-cable","tag-reeling-cable","tag-reeling-drum-cable","tag-reeling-drum-power-supply","tag-rheyfirm-cable","tag-rmg-crane-power-cable","tag-semiconductive-layer","tag-semiconductive-screen-cable","tag-ship-unloader-cable","tag-ship-to-shore-crane-cable-2","tag-ship-to-shore-crane-power-cable-2","tag-stacker-reclaimer-cable","tag-sts-crane-cable","tag-tinned-copper-conductor","tag-torsion-resistant-cable","tag-torsion-resistant-reeling-cable","tag-tunnel-boring-machine-cable","tag-vde-certified-cable","tag-vde-certified-trailing-cable","cs-entry"],"_links":{"self":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/6574","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=6574"}],"version-history":[{"count":1,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/6574\/revisions"}],"predecessor-version":[{"id":6586,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/posts\/6574\/revisions\/6586"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media\/6580"}],"wp:attachment":[{"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/media?parent=6574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/categories?post=6574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feichuncables.com\/blog\/wp-json\/wp\/v2\/tags?post=6574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}