circuit breaker VL160N standard breaking capacity Icu=55kA, 415V AC 4-pole, line protection Trip Unit TM, LI In=50A, rated current Ir=40...50A, overload prot. II=300...600A, short-circuit protection, N unprotected N unprotected Shunt release 208...277 V AC Auxiliary/alarm switch mounting kit 2 AUX (1 NO+1 NC)+1 AS (1 NO)