Attributes . 50 A 40 ?C - 10 min for power circuit || 120 A 40 ?C - 1 min for power circuit || 240 A 40 ?C - 10 s for power circuit || 380 A 40 ?C - 1 s for power circuit || 100 A - 1 s for signalling circuit || 120 A - 500 ms for signalling circuit || 140 A - 100 ms for signalling circuit . Names