withdrawable circuit breaker with guide frame 4-pole, size II, IEC In=800A to 690V, AC50/60Hz Icu=80kA 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 With manual operating mechanism with storage with mechanical request without 1st auxiliary release without 2nd auxiliary release 4NO+4NC R21= Shutter 2-part can be locked with bracket lock T40= Door sealing frame