circuit-breaker VL 400N standard breaking capacity Icu=55kA / 415 V AC 3 pole, line protection overcurrent release TM, li In=315A, rated current Ir=250-315A, overload iI=1575-3150A, short circuit Undervoltage release 220...250 V AC Auxiliary switch mounting kit 2 AUX (1 NO + 1 NC)