circuit breaker 3VA6 UL Frame 400 breaking capacity class E 200 kA @ 480 V 3-pole, line protection ETU856, LSI, 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 optionally with ext. CT up to 160% ground fault alarm signaled via EFB300 or COM without connection