withdrawable circuit breaker with guide frame 4-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 Motorized/manual operating mechanism with spring charging motor 24-30 V DC Activation 24 V DC With 1st auxiliary release Shunt release "F", F1 24 V DC; 100% ON period With 2nd auxiliary release "R", F3 Undervoltage, instant. 208-240 V AC, 220-250 V DC 4NO+4NC C22= Ready-to-close signaling C26= Auxiliary switching function 1 Auxiliary release not possible with option F02 C27= Auxiliary switching function 2 Auxiliary release not possible with option F02 K07= Tripped signaling contact, 1 CO not possible with option F02 P23= Retrofitted to Connection: Top horizontal, bottom vertical R15= Position signaling switch, withdrawable part 3 changeover contacts R21= Shutter 2-part can be locked with bracket lock R55= Mutual mechanical interlock for switch with frame 2 m S05= Castell/Fortress locking device in Off position Disconnector condition Safe Off/disconnector function