circuit breaker 3VA6 UL Frame 600 breaking capacity class C 100 kA @ 480 V 4-pole, line protection ETU560, LSIG, 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 adjustable (OFF, up to 100%) ground-fault protection Ig=0.2...1 x In= tg=0.05-0.8s without connection