withdrawable circuit breaker with guide frame 3-pole, size i, IEC In=1250A to 690V, AC50/60Hz Icu=55kA at 500V rear connection horizontal Overcurrent release ETU 76 LSI protection adjustable 0.4-1 in with graphic display U cubicle bus Communication/ground fault/ ZSS option Motorized/manual operating mechanism with spring charging motor AC 50/60 Hz 208-240 V or 220-250 V DC Activation AC 50/60 Hz 230 V, 220 V DC With 1st auxiliary release Shunt release "F", F1 50/60 Hz 230 V AC/220 V DC, 100% on-load factor With 2nd auxiliary release "R", F3 Undervoltage, instant. 208-240 V AC, 220-250 V DC 4NO+4NC C22= Ready indicator F02= COM15 PROFIBUS module with breaker status sensor R21= Shutter 2-part can be locked with padlock T40= Door sealing frame