circuit breaker 3VA2 IEC Frame 1000 breaking capacity class H Icu=85 kA @ 415 V 4-pole, line protection ETU330, LIG, In=1000 A overload protection Ir=400 A...1000 A short-circuit protection Ii=1.5...10 x In neutral conductor protection adjustable (OFF, 50%, 100%) ground-fault protection Ig=0.2...1 x In= tg=0.1/0.3s nut keeper kit shunt trip left 110-127 V AC 50/60 Hz/DC 2 auxiliary switches HP 1 trip alarm switch HP