fixed-mounted circuit breaker 3-pole, size I, IEC In=1250A to 690V, AC50/60Hz Icu=55kA at 500V rear connection horizontal Overcurrent release ETU 25 LSI protection adjustable 0.4-1 in With manual operating mechanism with storage with mechanical request With 1st auxiliary release Shunt release "F", F1 24 V DC; 100% ON period With 2nd auxiliary release "R", F3 Undervoltage, instant. 110-127 V AC, 110-125 V DC 4NO+4NC C22= Ready indicator M05= Motorized operating mechanism Drive motor AC 50/60 Hz 110-127 V AC or 110-125 V DC M21= Switch-on solenoid 24 V DC 100% on-load factor T40= Door sealing frame