Medium voltage reeling cable with exceptional cold flexibility to -50°C for open-cast mining operations in Arctic and extreme cold climate regions. Designed for heavy excavators, dumpers, and mobile crushers with high mechanical stress tolerance.
What is PROTOLON (M) R-(N)TSCGEWOEU
Arctic -50°C 6/10KV Mining MV Reeling Cable?
極寒環境中壓卷筒電纜技術解析 | 全柔性工作溫度低至-50°C
Medium voltage reeling cable with exceptional cold flexibility to -50°C for open-cast mining operations in Arctic and extreme cold climate regions. Designed for heavy excavators, dumpers, and mobile crushers with high mechanical stress tolerance.
專為北極及極寒氣候區露天採礦作業設計的中壓卷筒電纜，全柔性工作溫度低至-50°C，適用於重型挖掘機、自卸車及移動式破碎機等高機械應力環境。
極寒環境全柔性工作——業界領先的低溫性能標準
Product Overview / 產品概述
Arctic-Grade Technical Definition
The PROTOLON (M) R-(N)TSCGEWOEU Arctic -50°C 6/10KV is an advanced medium voltage reeling cable specifically engineered for extreme cold climate mining operations. This cable maintains full flexibility and mechanical performance down to -50°C, making it ideal for Arctic regions, Siberian mines, Canadian northern territories, and other extreme cold environments where conventional cables become brittle and fail.
The designation “(M)” indicates mining-specific construction, “R” denotes round cross-section design, and “Arctic -50C” signifies the exceptional cold-flexible compound technology. The special sandwich EPR/CR inner sheath construction ensures reliable performance under both extreme cold and high mechanical stress conditions.
極寒級技術定義
PROTOLON (M) R-(N)TSCGEWOEU Arctic -50°C 6/10KV 是一款專為極寒氣候採礦作業設計的先進中壓卷筒電纜。該電纜在低至-50°C的環境下仍能保持完全的柔韌性和機械性能，非常適用於北極地區、西伯利亞礦山、加拿大北部領地及其他傳統電纜會變脆失效的極端寒冷環境。
型號中「(M)」表示礦用專用結構，「R」表示圓形截面設計，「Arctic -50C」代表卓越的耐寒柔性複合材料技術。特殊的三明治結構EPR/CR內護套確保在極端低溫和高機械應力條件下的可靠性能。
Reference Source / 參考來源: According to technical specifications from Reeling Cable – Mine Reeling Cable Technical Resource, DIN VDE 0250 compliant mining reeling cables are engineered for temperature ranges from -50°C to +80°C, supporting heavy-duty mobile mining equipment including excavators, mobile crushers, and conveyors in demanding Arctic and cold climate environments.
Cable Construction / 電纜結構
Arctic-Optimized Multi-Layer Design
The PROTOLON Arctic cable features a specially engineered multi-layer construction optimized for extreme cold flexibility. The very finely stranded bare copper conductors (Class FS per DIN EN 60228) maintain excellent flexibility even at -50°C. The innovative sandwich EPR/CR inner sheath technology combines the cold flexibility of EPR with the mechanical toughness of chloroprene rubber (CR), ensuring reliable performance in polar mining conditions.
極寒優化多層設計
PROTOLON 極寒電纜採用專為極端低溫柔性優化的特殊多層結構設計。超細絞合裸銅導體（符合DIN EN 60228 FS類）即使在-50°C也能保持優異的柔韌性。創新的三明治結構EPR/CR內護套技術將EPR的低溫柔性與氯丁橡膠（CR）的機械韌性相結合，確保在極地採礦條件下的可靠性能。
| Component / 組件 | Material / 材料 | Standard / 標準 | Arctic Feature / 極寒特性 |
|---|---|---|---|
| Conductor / 導體 | Very finely stranded copper, bare (Class FS) | DIN VDE 0295 / IEC 60228 | Maintains flexibility at -50°C |
| PE Conductor / 保護導體 | Very finely stranded copper, bare (Class FS) | DIN EN 60228 | Split design in three interstices |
| Inner Semi-conducting Layer | Semi-conductive EPR | DIN VDE 0207-21 | Cold-flexible compound |
| Core Insulation / 芯線絕緣 | EPR rubber – PROTOLON Special (>3GI3) | DIN VDE 0207-20 | Arctic-grade EPR formulation |
| Outer Semi-conducting Layer | Semi-conductive NBR easy-strip | DIN VDE 0207-21 | Cold-strippable design |
| Inner Sheath / 內護套 | Special sandwich EPR/CR compound | DIN VDE 0207 | Key Arctic flexibility layer |
| Reinforcement / 加強層 | Polyester braiding | — | Anti-torsion protection |
| Outer Sheath / 外護套 | Rubber – Polychloroprene (PCP) >5GM5 | DIN VDE 0207 | Arctic-resistant formulation |
Technical Specifications / 技術規格
According to DIN VDE 0298-3:
• Fixed installation: 6 × D
• Flexible operation: 10 × D
• S-type directional changes: 20 × D
D = cable diameter / D為電纜直徑
Flame retardant per EN/IEC 60332-1-2
Product Range & Dimensions / 產品規格範圍
| Product No. | Configuration / 配置 | Conductor Ø (mm) | Cable Ø Min (mm) | Cable Ø Max (mm) | Weight (kg/km) |
|---|---|---|---|---|---|
| M_R_50C_10kV_005 | 3×25+3×25/3 | 7.1 | 36.8 | 39.8 | 2,360 |
| M_R_50C_10kV_006 | 3×35+3×25/3 | 8.4 | 40.5 | 43.5 | 2,960 |
| M_R_50C_10kV_007 | 3×50+3×25/3 | 10.1 | 44.1 | 47.1 | 3,610 |
| M_R_50C_10kV_008 | 3×70+3×35/3 | 11.8 | 47.9 | 50.9 | 4,510 |
| M_R_50C_10kV_009 | 3×95+3×50/3 | 13.8 | 52.8 | 56.8 | 5,810 |
| M_R_50C_10kV_001 | 3×120+3×70/3 | 15.5 | 56.4 | 60.4 | 7,110 |
| M_R_50C_10kV_002 | 3×150+3×70/3 | 17.4 | 61.9 | 65.9 | 8,380 |
| M_R_50C_10kV_003 | 3×185+3×95/3 | 19.2 | 65.7 | 69.7 | 10,030 |
| M_R_50C_10kV_004 | 3×240+3×120/3 | 22.1 | 73.3 | 77.3 | 12,570 |
Configuration Notation / 配置說明: The notation “3×25+3×25/3” indicates 3 power cores of 25mm² cross-section plus split earth conductors (3×25mm²) distributed in three interstices. The “/3” suffix denotes the three-way split protective earth conductor design optimized for Arctic mining applications.
配置標註「3×25+3×25/3」表示3根25mm²截面積電力芯線加分割式接地導體（3×25mm²）分布於三個間隙中。「/3」後綴表示針對極寒採礦應用優化的三分式保護接地導體設計。
Standards & Certifications / 執行標準與認證
GOST Certification / GOST認證: The GOST-R/-K/-B Fire Certificate is essential for Arctic mining operations in the Russian Federation and CIS countries, including Siberian mines, Yakutia, and other extreme cold regions. This certification ensures the cable meets the stringent safety requirements for polar mining environments where fire hazards must be minimized.
GOST-R/-K/-B 防火認證對於俄羅斯聯邦及獨聯體國家的北極採礦作業至關重要，包括西伯利亞礦山、雅庫特及其他極寒地區。該認證確保電纜符合極地採礦環境中嚴格的安全要求，將火災風險降至最低。
Applications / 應用場景
❄️ Arctic Mining / 北極採礦
Open-cast mining operations in Arctic regions where temperatures regularly drop below -40°C. / 氣溫經常降至-40°C以下的北極地區露天採礦作業。
🏔️ Siberian Mines / 西伯利亞礦山
Russian Federation mining operations in extreme cold Siberian climate zones. / 俄羅斯聯邦極寒西伯利亞氣候區的採礦作業。
🇨🇦 Canadian North / 加拿大北部
Northern Canadian mining operations in Yukon, NWT, and Nunavut territories. / 育空、西北領地及努納武特的加拿大北部採礦作業。
🏗️ Heavy Excavators / 重型挖掘機
Electric and hydraulic excavators requiring reliable power in extreme cold. / 需要在極寒環境中可靠供電的電動及液壓挖掘機。
🚛 Mining Dumpers / 礦用自卸車
Large-capacity dumpers operating on frozen haul roads. / 在冰凍運輸道路上運行的大容量自卸車。
⚙️ Mobile Crushers / 移動式破碎機
Primary crushing equipment requiring cold-flexible power connections. / 需要耐寒柔性電源連接的初級破碎設備。
Industry Reference / 行業參考: According to Power & Cables – PROTOLON Technical Resources, medium voltage flexible reeling cables with ambient temperature ratings for fixed installation down to -50°C are essential for mining operations in extreme cold climates, providing reliable power delivery to excavators, cranes, and large mobile equipment under high mechanical stress conditions.
Arctic vs. Standard Cable Comparison / 極寒型與標準型對比
| Parameter / 參數 | PROTOLON Arctic -50°C | Standard PROTOLON | Advantage / 優勢 |
|---|---|---|---|
| Fixed Installation Min Temp | -50°C | -40°C | 10°C Lower Rating |
| Flexible Operation Min Temp | -50°C | -35°C | 15°C Lower Rating ❄️ |
| Inner Sheath Construction | Sandwich EPR/CR | Standard EPR GM1b | Enhanced Cold Flexibility |
| Arctic Region Suitability | Full Operation | Limited | Unrestricted Polar Use |
| Siberian/Canadian North Use | Certified | Not Recommended | GOST-R Certified |
| Max Operating Temp | +80°C | +80°C | Equal High-Temp Performance |
| Temperature Range Span | 130°C (-50 to +80) | 115°C (-35 to +80) | +13% Wider Range |
| Cold Bending Performance | No cracking at -50°C | Risk below -35°C | Superior Cold Ductility |
| Test Parameter | PROTOLON Arctic | Standard Mining Cable | Performance Ratio |
|---|---|---|---|
| Bending Flexibility at -50°C | 100% | 35-50% | 2-3× Better |
| Torsional Stress Tolerance | ±100°/m | ±25°/m typical | 4× Better |
| Dynamic Tensile Strength | 25 N/mm² | 15-20 N/mm² | 25-67% Better |
| Reeling Speed Capability | 120 m/min | 60-80 m/min | 50-100% Faster |
| Outer Sheath Crack Resistance | Excellent | Poor at -50°C | Critical Advantage |
Contact Anhui Feichun Special Cable Co., Ltd.
聯繫安徽飛純特種電纜有限公司
Building A, Private Science and Technology Park, Hefei Economic and Technological Development Zone, Anhui Province, China
中國安徽省合肥經濟技術開發區民營科技園A座
