circuit breaker 3VA6 UL Frame 150 breaking capacity class C 100 kA @ 480 V 4-pole, line protection ETU350, LSI, In=40 A overload protection, 100% rated Ir=16 A...40 A short-circuit protection Isd=1.5...10 x Ir, Ii=12 x In neutral conductor protection adjustable (OFF, 100%) without connection