circuit breaker 3VA2 IEC Frame 1000 breaking capacity class M Icu=55 k

circuit breaker 3VA2 IEC Frame 1000 breaking capacity class M Icu=55 kA @ 415 V 4-pole, line protection ETU330, LIG, In=800 A overload protection Ir=320 A...800 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