circuit breaker 3VA6 UL Frame 150 breaking capacity class L 150 kA @ 480 V 4-pole, line protection ETU830, LIG, In=100 A overload protection Ir=40 A...100 A short-circuit protection Ii=1.5...12 x In ground-fault protection Ig=0.2...1 x In, tg=0.05-0.8s without connection