circuit breaker 3VA6 UL Frame 150 breaking capacity class H 65 kA @ 480 V 4-pole, line protection ETU850, LSI, In=100 A overload protection, 100% rated Ir=40 A...100 A short-circuit protection Isd=0.6..10x In, Ii=1.5..12x In neutral conductor protection adjustable (OFF, up to 150%) without connection