circuit-breaker VL 800N standard breaking capacity Icu=55kA / 415 V AC 3 pole, line protection electronic trip unit ETU20, LSI In=800A, rated current ir=320-800A, overload Isd=1,5to7xir, iI=8xin short-circuit without auxiliary release Auxiliary/alarm switch mounting kit 2 AUX (1 NO+1 NC)+1 AS (1 NO)