circuit breaker 3VA6 UL Frame 250 breaking capacity class C 100 kA @ 480 V 4-pole, line protection ETU330, LIG, In=250 A overload protection, 100% rated Ir=100 A...250 A short-circuit protection Ii=1.5...10 x In neutral conductor protection adjustable (OFF, 50%, 100%) ground-fault protection Ig=0.2...1 x In= tg=0.1/0.3s without connection