Withdrawable circuit breaker with guide frame, IEC 60947-2, frame size 1, 4-poles, N-pole left, In=1000A up to 690V AC 50/60Hz, breaking capacity N Icu=55/42kA at 500/690V, Trip unit ETU600 LSIG upgrade ready , colordisplay, bluetooth and USB interface, Protection LT, ST, INST, GFx, include N-protection, (internal N-sensor available), incl. trip alarm switch (1xCO), rear connection, horizontal top, flange bottom, guide frame with shutter and position signall. switch (3xW),