circuit breaker 3VA6 UL Frame 600 breaking capacity class C 100 kA @ 480 V 3-pole, line protection ETU856, LSI, In=400 A overload protection, 100% rated Ir=160 A...400 A short-circuit protection Isd=0.6..10x In, Ii=1.5..12x In neutral conductor protection optionally with external current transformer, up to 160% ground fault alarm signaled via EFB300 or COM without connection