Standard: SRPS N.C5.358
Nominal voltage
U0/U: 450/750 kV
Test voltage: 2,5 kV
CONSTRUCTION:
Conductor: tinned copper conductor class 5 acc. to SRPS N.C0.015 (IEC 60228)
Insulation: rubber compound at ethylene-propylene elastomere base GI2 (SRPS N.C0.190); 3GI3 acc. to (DIN VDE 0207-20); concentrically stranded cores in layers.
Inner sheath: based on synthetic rubber
(GP5, SRPS N.C0.190)
Torsion protection: braiding with suitable material
Sheath: rubber compound on polychloroprene basis (CR) (Neoprene), GP7 (SRPS N.C0.190); 5GM5 (DIN VDE 0207-21). Sheath colour yellow.
Oil resistant: DIN VDE 0472-803, metod A
Flame-retardant: according to IEC 60332-1
APPLICATION:
Cable is intended for supplying rotation
drilling machines in mines with underground
pit.
Permissible conductor temperature:
– max operating temperature +90°C,
– in short circuit (max 5 s), max +250°C
Permissible ambient temperature:
– mobile from -25°C to +40°C,
– fixed laying from -30°C to +40°C
Smallest bending radius: 4D
(D – cable diameter)
Maximum tensile strength:
– static: 15 N/mm²
