Copper Wire Shield STA Armoured Electrical Cable , Aluminum Conductor Cable Technical data - Power cable according to DIN VDE 0276 part 603, HD 620, IEC 60502, BS 6622 - Temperature range max. to +90 °C - Temperature during installation from 0 °C to +70 °C - Short circuit temperature +250 °C (up to 5 seconds) - Nominal voltage Uo/U 3,6/6 kV, 6/10 kV, 6,35/11 kV (dle BS), 18/30 kV, 19/33 kV (dle BS) - Operating voltages 3,6/6 kV = max. 7,2 kV 6/10 kV = max. 12 kV 18/30 kV =