Fixed-mounted circuit breaker IEC 60947-2, frame size 2, 4-poles, N-pole left, In=4000A up to 440V AC 50/60Hz, breaking capacity S Icu=55kA at 440V, Trip unit ETU360WJ LSIG Protection LT, ST, INST, GF, include N-protection, Requires internal current sensor for N conductor rear connection vertical, . Manual operating mechanism, without motorized operating mechanism, signaling switch ready-to-close, auxiliary switch (AUX) 2 NO+2 NC, without Closing coil (CC), manual operating mechanism with mechanical closing, without Remote trip alarm reset coil (RR), without 2nd shunt trip, without 1st Shunt trip