circuit breaker 3VA2 IEC frame 1000 breaking capacity class M Icu=55kA @ 415V 3-pole, motor protection ETU860M, LSIG, In=800A overload protection Ir=320A…800A short-circuit protection Isd=1.2..15 x In, Ii=3..15 x In gr.-fault prot., can be sw. off Ig=0.2…1 x In, tg=0.05-0.8s nut keeper kit