circuit-breaker VL 800N standard breaking capacity Icu=55kA / 415 V AC 4 pole, line protection electronic trip unit ETU10 LI In=800A, rated current ir=320-800A, overload iI=1,25to8xin, short-circuit N protected ETU communication-capable Shunt release 208...277 V AC Auxiliary switch mounting kit 4 AUX (2 NO + 2 NC)