circuit breaker VL160H high breaking capacity Icu=70kA, 415V AC 4-pole, line protection Electronic Trip Unit ETU20, LSI In=63A, rated current IR=25...63A, overload protection, ISD=1.5 to 10xIR, II=11xIN short-circuit protection N protected Shunt release 208...277 V AC Auxiliary/alarm switch mounting kit 2 AUX (1 NO+1 NC)+1 AS (1 NO)