withdrawable circuit breaker with guide frame 4-pole, size II, IEC In=2500A to 690V, AC50/60Hz Icu=66kA at 500V rear connection horizontal Overcurrent release ETU 45 LSING protection adjustable 0.4-1 in with cubicle bus and Ground fault protection Opt.: Comm./measuring func./ZSS 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. 208-240 V AC, 220-250 V DC 4NO+4NC C22= Ready-to-close signaling F23= Internal current converter 4-pole switch BGII K07= Tripped signaling contact, 1 CO not possible with option F02 M06= Motor drive, Drive motor AC 50/60 Hz 208-240 V or 220-250 V DC M21= Switch-on solenoid 24 V DC 100% on-load factor R21= Shutter 2-part can be locked with bracket lock R55= Mutual mechanical interlock for switch with frame 2 m T40= Door sealing frame