GTELFLEX HEPR/ST2 Cable - 0.6/1 kV (multicore). Model: GTELFLEX HEPR/ST2 Cable - 0.6/1 kV (multicore). Description: Multicore cable with 2 to 5 conductors, in cross-sections ranging from 1.5 mm² to 70 mm²; - Conductor: Flexible bare copper strands, Class 5 stranding per NBR NM 280; - Insulation: Chemically cross-linked rubber compound (HEPR), 90°C; - Conductor identification: Numbered black or colored; - Separator: Non-hygroscopic tape or industrial talc; - Sheath: Flame-retardant (BWF) PVC compound, type ST2, 90°C. - Continuous operation: 90°C; - Overload operation: 130°C; - Short-circuit operation: 250°C. - Insulation voltage: 0.6/1 kV; - Packaging: Wooden reel.