Fixed-mounted circuit breaker IEC 60947-2, frame size 2, 4-poles, N-pole left, In=3200A up to 690V AC 50/60Hz, breaking capacity M Icu=85/66kA at 500/690V, Trip unit ETU600 LSIG Hi-Z upgrade ready , colordisplay, bluetooth and USB interface, Protection LT, ST, INST, GFx, with GF highimpedance-input include N-protection, (internal N-sensor available), incl. trip alarm switch (1xCO), rear connection horizontal,