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coal face equipment cable

13 Min Read
Longwall mining represents the most productive underground coal extraction method available to modern mining operations, with a single longwall face capable of producing over 5,000 tonnes of coal per hour in optimized installations. At the heart of this productivity lies the longwall shearer, a massive mobile machine that travels back and forth along the coal face, cutting coal with rotating drums while advancing through seam heights ranging from 1.6 to 7 meters. The power cables supplying electricity to these shearers operate in one of the most mechanically demanding cable applications in industrial engineering, subjected to continuous motion within cable chain systems (often referred to as "Bretby chains"), constant vibration from cutting operations, tight bending radii as the shearer traverses the face, and the harsh environmental conditions characteristic of underground coal mining.[1] （长壁开采代表了现代采矿作业可用的最具生产力的地下煤炭开采方法，单个长壁工作面在优化安装中每小时可生产超过5000吨煤炭）
Technical Department
on28/01/2026

Longwall Shearer: What are the advantages of using Type 241 over Type 275 for high-vibration longwall shearer power supplies?

Longwall mining represents the most productive underground coal extraction method available to modern mining operations, with a single longwall face capable of producing over 5,000 tonnes of coal per hour in optimized installations. At the heart of this productivity lies the longwall shearer, a massive mobile machine that travels back and forth along the coal face, cutting coal with rotating drums while advancing through seam heights ranging from 1.6 to 7 meters. The power cables supplying electricity to these shearers operate in one of the most mechanically demanding cable applications in industrial engineering, subjected to continuous motion within cable chain systems (often referred to as “Bretby chains”), constant vibration from cutting operations, tight bending radii as the shearer traverses the face, and the harsh environmental conditions characteristic of underground coal mining.[1] （长壁开采代表了现代采矿作业可用的最具生产力的地下煤炭开采方法，单个长壁工作面在优化安装中每小时可生产超过5000吨煤炭）
5 Min Read
PROTOMONT(Z) NSSHKCGEOEU 0.6/1KV is a coal cutter cable designed for free trailing operations in underground mining applications, used as power supply connection cable for mobile equipment such as coal shearers, roadheaders, TBMs, or scoops (LHDs). The (Z) Coal-Cutter cables are specifically designed for free trailing operation and, due to their special galvanized steel wire braiding construction, may be trailed for considerable distances behind the machine during operation. Features very finely stranded tinned copper conductors (Class FS), EPR rubber insulation (PROTOLON 3GI3), galvanized steel wire braiding armour, and polychloroprene (PCP) outer sheath (PROTOFIRM 5GM5). Offers up to 36,000N tensile strength and 150m/min travel speed. Certified by MSHA P-189-4, EAC, and Bosnia-Herzegovina BAS.
Technical Department
on14/01/2026

كابل PROTOMONT(Z) NSSHKCGEOEU 0,6/1KVكابلات قاطعات الفحم لعمليات السحب الحر – التعدين تحت الأرض

PROTOMONT(Z) NSSHKCGEOEU 0.6/1KV 是專為地下採礦作業中的自由拖曳操作設計的採煤機電纜，用於連接採煤機、掘進機、隧道掘進機(TBM)或鏟運機(LHD)等移動設備。(Z)型採煤機電纜專為自由拖曳操作設計，由於其特殊的鍍鋅鋼絲編織結構，可在設備後方拖曳相當長的距離。該電纜採用極細絞鍍錫銅導體（FS類）、EPR橡膠絕緣（PROTOLON 3GI3）、鍍鋅鋼絲編織鎧裝、氯丁橡膠外護套（PROTOFIRM 5GM5）。具有高達36,000N的拉伸強度和150m/min的移動速度。獲得MSHA P-189-4、EAC及波黑BAS等國際認證。
5 Min Read
PROTOMONT(VO) (N)TSKCGEWOEU 1.8/3KV is a medium-voltage coal cutter cable designed for power supply connection to mobile equipment and machines in underground mining applications. The (VO) Coal cutter cables are specifically engineered for use in cable protection chains (cable handler), which are trailed behind the machine and absorb the occurring tensile forces. Featuring finely stranded tinned copper conductors (Class FS), EPR rubber insulation (PROTOLON 3GI3), semi-conductive NBR easy-strip layer, and chlorinated polyethylene (CM/CPE) outer sheath (PROTOFIRM >5GM5), with double-concentric control/PE conductor elements in the outer interstices. Certified by GOST-R/-K/-B (Russia) and MA China.
Technical Department
on14/01/2026

كابل PROTOMONT(VO) (N)TSKCGEWOEU 1,8/3KVكابلات قاطعات الفحم للتشغيل بسلاسل الحماية – التعدين تحت الأرض

Used as power supply connection cable for mobile equipment and machines in underground mining applications, such as coal cutting machines, etc. (VO) Coal cutter cables are designed for use in cable protection chains (cable handler), which are trailed behind the machine and which absorb the thereby occurring tensile forces. Suitable for shearer loaders, continuous miners, loading machines, shuttle cars, and other underground coal mining mobile equipment.
4 Min Read
PROTOMONT(V) NTSKCGECWOEU 3.6/6KV is a medium-voltage coal cutter cable designed for power supply connection to mobile equipment and machines in underground mining applications. The (V) Coal cutter cables are specifically engineered for use in cable protection chains (cable handler), which are trailed behind the machine and absorb the occurring tensile forces. Featuring very finely stranded tinned copper conductors (Class FS), EPR rubber insulation (PROTOLON 3GI3), semi-conductive NBR easy-strip layer, and polychloroprene outer sheath (PROTOFIRM 5GM5), with monitoring conductor (steel/Cu-tinned) for mine safety. Certified by MSHA, GOST-R, and Poland WUG.
Technical Department
on14/01/2026

كابل PROTOMONT(V) NTSKCGECWOEU 3,6/6KVكابلات قاطعات الفحم للتشغيل بسلاسل الحماية – التعدين تحت الأرض

Used as power supply connection cable for mobile equipment and machines in underground mining applications, such as coal cutting machines, etc. (V) Coal cutter cables are designed for use in cable protection chains (cable handler), which are trailed behind the machine and which absorb the thereby occurring tensile forces. Suitable for use in battery chains with extreme bending loads under low tensile stress.
6 Min Read
NSSHCGEOEU — это специализированный бронированный гибкий кабель, предназначенный для подключения мобильных машин, эксплуатируемых в условиях экстремальных механических нагрузок, преимущественно в горнодобывающей промышленности. Кабель разработан в соответствии с международным стандартом DIN VDE 0250, часть 812, который устанавливает требования к конструкции, электрическим характеристикам и механической прочности кабелей для угольных комбайнов.
Technical Department
on12/01/2026

Schräm-TENAX® -Z NSSHCGEOEU

бронированный кабель для угольных комбайнов, кабель NSSHCGEOEU, кабель для горнодобывающего оборудования, кабель для угольных шахт, гибкий шахтный кабель, кабель для комбайна, резиновый кабель для шахт, кабель EPR изоляция, кабель 0.6/1 kV горный, кабель для LHD погрузчика, кабель медно-стальная броня, кабель концентрический экран, силовой кабель для шахт
5 Min Read
Type 7 Mining Cable to BS 6708
Technical Department
on15/11/2025

What is Type 7 Mining Cable to BS 6708?

Type 7 mining cables represent a critical category of flexible trailing cables designed specifically for the demanding conditions encountered in underground coal mining operations. These cables conform to the rigorous requirements established by British Standard BS 6708, which has become an internationally recognized benchmark for mining cable safety and performance. The standard was developed through decades of mining industry experience and addresses the unique electrical and mechanical challenges present in potentially explosive underground environments. According to BSI Knowledge, BS 6708 specifications establish comprehensive requirements for flexible cables used at mines and quarries, ensuring that these critical power transmission components meet stringent safety and performance criteria. The Type 7 designation specifically identifies non-armoured cables with individually metallic screened cores rated at 640/1100V, engineered for both fixed installation and flexible operation in coal face cutting equipment.