withdrawable circuit breaker with guide frame 3-pole, size I, IEC In=630A to 690V, AC50/60Hz Icu=66kA at 500V rear connection vertical Overcurrent release ETU 27 LSING protection adjustable 0.4-1 in Ground fault/N protection integrated With manual operating mechanism with storage with mechanical request without 1st auxiliary release With 2nd auxiliary release "R", F3 Undervoltage, instant. 110-127 V AC, 110-125 V DC 2NO+2NC R21= Shutter 2-part can be locked with padlock T40= Door sealing frame