Fixed-mounted circuit breaker IEC 60947-2, frame size 1, 3-poles, In=1600A up to 690V AC 50/60Hz, breaking capacity S Icu=66/50kA at 500/690V, 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, without Com & metering function with manual and motorized operating mechanism (M) 110-127 V AC / 110-125 V DC, Storage status and ready-to- close signaling switches, Auxiliary switches 2NO+2NC, Closing coil (CC) 100% OP 110-127 V AC / 110-125 V DC, applicable for continuous duty, without Remote trip alarm reset coil (RR), Undervoltage release (UVR) instantaneous (0,08 s) and short-delay (0,2 s), 110-127 V AC / 110-125 V DC, Shunt trip (ST) 100% OP 110-127 V AC / 110-125 V DC, suitable for continuous duty, Option C01 = Operations counter for circuit breaker Option S07 = Locking provision against unauthorized closing Secured Open; for padlock device Padlocks are not included.