Fixed-mounted circuit breaker IEC 60947-2, frame size 3, 3-poles, In=5000A up to 690V AC 50/60Hz, breaking capacity C Icu=150kA at 690V, Trip unit ETU600 LSI upgrade ready , colordisplay, bluetooth and USB interface, Protection LT, ST, INST, N-protection required an external N-sensor, incl. trip alarm switch (1xCO), rear connection horizontal.