withdrawable circuit breaker with guide frame 4-pole, size II, IEC In=4000A 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 With 1st auxiliary release Shunt release "F", F1 50/60 Hz 110 V AC/110 V DC, 100% on-load factor without 2nd auxiliary release 2NO+2NC F23= Internal current converter 4-pole switch BGII R15= Position signaling switch, withdrawable part 3 changeover contacts R21= Shutter 2-part can be locked with bracket lock T40= Door sealing frame