These heavy duty cables are designed for use on longwall shearers, where three shielded power conductors, three unshielded control conductors, and a grounding conductor are required.
ICEA S-75-381/NEMA WC 58
ASTM B 172
ASTM B 33
Conductors: Stranded annealed tinned copper conductor.
Insulation Shield:Non-conducting Tape + Tinned copper/textile braid.
Control Group (3 Conductor):Tinned copper conductor, EPR insulation and thermosetting sheath. Colour of insulation: Black, white and red.
Grounding Conductor:Tinned copper conductor, located in the center of the cable.
Sheath: Reinforced extra-heavy-duty Chlorinated Polyethylene(CPE), black. Other sheath materials can be offered upon request.
Options:Other jacket materials such as CSP/PCP/NBR/PVC are available upon request.
Two-layer jacket with reinforcing fibre between the two layers can be offered as an option.
Mechanical and Thermal Properties
Dimensions and Weight:
|CONSTRUCTION||NO. OF STRANDS||GROUNDING CONDUCTOR SIZE||CONTROL CONDUCTOR SIZE||NOMINAL INSULATION THICKNESS||NOMINAL SHEATH THICKNESS||NOMINAL OVERALL DIAMETER||NOMINAL WEIGHT||AMPACITY|
|NO. OF CORES×AWG/KCMIL||-||AWG/KCMIL||AWG/KCMIL||INCH||MM||INCH||MM||INCH||MM||LBS/KFT||KG/KM||A|
Ampacity-Based on a conductor temperature of 90℃ and an ambient air temperature of 40℃, per ICEA S-75-381.