3VA2450-5KP42-0AA0

circuit breaker 3VA2 IEC frame 630 breaking capacity class M Icu=55kA @ 415V 4-pole, line protection ETU850, LSI, In=500A overload protection Ir=200A...500A short-circuit protection Isd=0.6..10x In, Ii=1.5..14x In N conductor protection adjustable (OFF, up to 100%) nut keeper kit