Withdrawable circuit breaker without guide frame, IEC 60947-2, frame size 1, 4-poles, N-pole left, In=2500A up to 690V AC 50/60Hz, breaking capacity M Icu=85/66kA 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),