Withdrawable circuit breaker with cradle (Guide Frame), UL1066/IEC60947-2, FS 1, 3-poles, In=1000A up to 508V AC 50/60Hz, breaking capacity N, 50kA at 508V AC, Trip unit ETU600 LSIG upgrade ready , color display, USB and optional bluetooth, Protection LT, ST, INST, GFx, N-protection requires an external N-sensor, incl. trip/bell alarm (1xCO), rear vertical connection, cradle with shutter,