circuit breaker VL250N standard breaking capacity Icu=55kA, 415V AC 3-pole, line protection Electronic Trip Unit ETU12, LIG 3 phases/3 lines In=250A, rated current IR=100...250A, overload protection, II=1.25 to 11xIN, short-circuit protection Shunt release 208...277 V AC Auxiliary switch mounting kit 2 AUX (1 NO + 1 NC)