circuit breaker 3VA5 UL Frame 400 breaking capacity class H 65 kA @ 480 V 3-pole, line protection TM240, ATAM, In=400 A overload protection Ir=320 A ...400 A short-circuit protection Ii=5...10 x In without connection circuit breaker 3VA5 UL Frame 400 breaking capacity class H 65 kA @ 480 V