withdrawable circuit breaker with guide frame 3-pole, size I, IEC In=800A to 690V, AC50/60Hz Icu=55kA at 500V rear connection vertical Overcurrent release ETU 45 LSIN protection adjustable 0.4-1 in with cubicle bus Opt.: Comm. /measuring func./ground fault/ ZSS Motorized/manual operating mechanism with spring charging motor AC 50/60 Hz 110-127 V AC or 110-125 V DC Activation 50/60 Hz 110 V AC, 110 V DC With 1st auxiliary release Shunt release "F", F1 50/60 Hz 110 V AC/110 V DC, 100% on-load factor With 2nd auxiliary release "R", F3 Undervoltage, instant. 110-127 V AC, 110-125 V DC 4NO+4NC A61= Special packaging for increased transport requirements, for foam packaging carton packaging with wax coating (moisture protection) B04= Rated current reference module 400 A for ETU25, 27, 45, 55, 75, 76 for setting rated current in C22= Ready indicator K07= Tripped signaling contact, 1 CO not possible with option F02 S07= Locking device in OFF position w. 4 bracket locks (Safe Off/disconnector function) Disconnector condition in compliance with IEC 60947-2 U01= with label for export to USA