circuit breaker 3VA5 UL Frame 250 breaking capacity class H 65 kA @ 480 V 3-pole, line protection TM230, FTAM, In=150 A overload protection Ir=150 A permanently set short-circuit protection Ii=5...10 x In without connection circuit breaker 3VA5 UL Frame 250 breaking capacity class H 65 kA @ 480 V