circuit breaker 3VA6 UL Frame 400 breaking capacity class E 200 kA @ 480 V 4-pole, line protection ETU860, LSIG, In=250 A overload protection Ir=100 A ... 250 A short-circuit protection Isd=0.6..10x In, Ii=1.5..12x In neutral conductor protection adjustable (OFF, up to 160%) ground-fault protection IG=0.2... 1xIn, tg=0.05-0.8s without connection