GTELFLEX HEPR/ST2 Cable 0.6/1kV (single-core). Model: Single-core cable, in cross-sections from 1.5 mm² to 300 mm². Description: Single-core cable, in cross-sections from 1.5 mm² to 300 mm² - Conductor: Flexible bare copper strands, class 5 stranding, per NBR NM 280; - Insulation: Chemically cross-linked rubber-based compound (HEPR) 90°C; - Sheath: Flame-retardant (BWF) PVC compound, type ST2, 90°C; - Insulation voltage: 0.6/1kV; - Packaging: Wooden reel - Continuous operation: 90°C; - Overload operation: 130°C; - Short-circuit operation: 250°C.