withdrawable circuit breaker with guide frame 4-pole, size II, IEC In=2500A to 690V, AC50/60Hz Icu=66kA at 500V rear connection vertical Overcurrent release ETU45 LSIN protection adjustable 0.4-1 in with display and cubicle bus Opt.: Comm. /measuring func./ground fault/ ZSS 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 without 2nd auxiliary release 2NO+2NC K07= Tripped signaling contact, 1 CO not possible with option F02 R21= Shutter 2-part can be locked with bracket lock T40= Door sealing frame