circuit breaker 3VA6 UL frame 600 breaking capacity class L 150kA @ 480V 4-pole, line protection ETU330, LIG, In=600A overload protection Ir=240A...600A short-circuit protection Ii=1.5...10 x In N conductor protection adjustable (OFF, 50%, 100%) ground-fault protection Ig=0.2...1 x In= tg=0.1/0.3s without connection