circuit breaker 3VA6 UL Frame 400 breaking capacity class L 150 kA @ 480 V 3-pole, line protection ETU330, LIG, In=250 A overload protection, 100% rated Ir=100 A...250 A short-circuit protection Ii=1.5...12 x In ground-fault protection Ig=0.2...1 x In, tg=0.1/0.3s without connection