withdrawable circuit breaker with guide frame 4-pole, size II, IEC In=1600A to 690V, AC50/60Hz Icu=66kA at 500V rear connection horizontal 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 K07= Tripped signaling contact, 1 CO not possible with option F02 P18= Retrofitted to connection: top vertical, bottom horizontal R21= Shutter 2-part can be locked with bracket lock T40= Door sealing frame