circuit breaker VL400N standard breaking capacity Icu=55kA, 415V AC 3-pole, line protection trip unit ETU10, LI In=400A, rated current IR=160...400A, overload protection, II=1.25 to 11xIN, short-circuit protection Shunt release 110...127 V AC Auxiliary/alarm switch mounting kit 2 AUX (1 NO+1 NC)+1 AS (1 NO)