Circuit breaker 3VA2 IEC Frame 160 breaking capacity class H Icu=85 kA @ 415 V 4-pole, line protection ETU850, LSI, In=25 A overload protection Ir=10 A...25 A short-circuit protection Isd=0.6..10x In, Ii=1.5..12x In neutral conductor protection adjustable (OFF, up to 160%) nut keeper kit