circuit-breaker VL 400N standard breaking capacity r.u.s.-c.br.c.= 55kA, 415 V AC 3-pole, motor protection electronic trip unit ETU30M, LI In=315A, rated current tc= 10A ... 30, time lag class iI= 6 ... 11 x In, short-circuit protection Undervoltage release 220...250 V AC Auxiliary switch mounting kit 2 AUX (1 NO + 1 NC)