Withdrawable circuit breaker with guide frame, IEC 60947-2, frame size 2, 4-poles, N-pole left, In=2500A up to 690V AC 50/60Hz, breaking capacity S Icu=66/50kA at 500/690V, Trip unit ETU600 LSI upgrade ready , colordisplay, bluetooth and USB interface, Protection LT, ST, INST, include N-protection, (internal N-sensor available), incl. Trip alarm switch (1xCO), rear connection horizontal, guide frame with shutter and position signall. Switch (3xW),