Fixed-mounted circuit breaker IEC 60947-2, frame size 1, 3-poles, In=2500A, breaking capacity E, up to 1000V AC 50/60Hz, Icu=85/50kA at 690/1000V, 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 vertical,