fixed-mounted circuit breaker 3-pole, size I, IEC In=1000A to 690V, AC50/60Hz Icu=55kA at 500V frnt.conn. top/bot. dual-hole Overcurrent release ETU 15 LI protection adjustable 0.5-1 in With manual operating mechanism with storage with electrical + mechanical request 50/60 Hz 110 V AC, 110 V DC without 1st auxiliary release With 2nd auxiliary release "R", F3 Undervoltage, instant. 110-127 V AC, 110-125 V DC 4NO+4NC C22= Ready indicator