circuit breaker 3VA6 UL Frame 400 breaking capacity class M 35 kA @ 480 V 4-pole, line protection ETU830, LIG, In=400 A overload protection Ir=160 A...400 A short-circuit protection Ii=1.5...10 x In ground-fault protection Ig=0.2...1 x In, tg=0.05-0.8s without connection