circuit breaker 3VA6 UL Frame 600 breaking capacity class H 65 kA @ 480 V 3-pole, line protection ETU856, LSI, In=600 A overload protection Ir=240 A...600 A short-circuit protection Isd=0.6..9x In, Ii=1.5..9x In neutral conductor protection optionally with external current transformer, up to 160% ground fault alarm signaled via EFB300 or COM without connection