Fixed-mounted circuit breaker IEC 60947-2, frame size 1, 4-poles, N-pole left, In=1000A up to 440V AC 50/60Hz, breaking capacity S Icu=50kA at 440V, Trip unit ETU350WJ LSI Protection LT, ST, INST, rear connection horizontal, . 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