circuit breaker 3VA2 IEC frame 400 breaking capacity class M Icu=55kA @ 415V 3-pole, motor protection ETU860M, LSIG, In=250A overload protection Ir=100A…250A short-circuit protection Isd=1.2..15x In, Ii=3..15x In gr.-fault prot., can be sw. off Ig=0.2…1 x In, tg=0.05-0.8s nut keeper kit