Fixed-mounted circuit breaker IEC 60947-2, frame size 3, 4-poles, N-pole left, In=4000A, breaking capacity E, without internal voltage tap up to 1150V, 70kA, AC 50/60Hz, Icu=130/125kA at 690/1000V, 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 vertical bottom,