circuit breaker 3VA5 UL Frame 400 breaking capacity class M 35 kA @ 480 V 3-pole, line protection TM230, FTAM, In=300 A overload protection Ir=300 A permanently set short-circuit protection Ii=5...10 x In without connection circuit breaker 3VA5 UL Frame 400 breaking capacity class M 35 kA @ 480 V