withdrawable circuit breaker with guide frame 4-pole, size I, IEC In=800A to 690V, AC50/60Hz Icu=55kA at 500V w. connection flange Overcurrent release ETU 45 LSIN protection adjustable 0.4-1 in with 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 2NO+2NC F12= COM16 Modbus module with breaker status sensor R21= Shutter 2-part can be locked with bracket lock T40= Door sealing frame