Withdrawable circuit breaker with guide frame, IEC 60947-2, frame size 1, 3-poles, In=1250A up to 690V AC 50/60Hz, breaking capacity S Icu=66/50kA at 500/690V, Trip unit ETU600 LSIG upgrade ready , colordisplay, bluetooth and USB interface, Protection LT, ST, INST, GFx, N-protection required an external N-sensor, incl. Trip alarm switch (1xCO), rear connection flange, guide frame with shutter and w/o position signalling switch,