circuit breaker 3VA6 UL Frame 150 breaking capacity class L 150 kA @ 480 V 3-pole, line protection ETU320, LI, In=40 A overload protection Ir=16 A...40 A short-circuit protection Ii=1.5...12 x In without connection circuit breaker 3VA6 UL Frame 150 breaking capacity class L 150 kA @ 480 V