withdrawable circuit breaker with guide frame 3-pole, size II, IEC In=2500A to 690V, AC50/60Hz Icu=100kA 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 24-30 V DC Activation 24 V DC without 1st auxiliary release With 2nd auxiliary release "R", F3 Undervoltage, instant. 24 V DC 2NO+2NC A61= Special packaging for increased transport requirements, for foam packaging carton packaging with wax coating (moisture protection) B20= Rated current reference module 2000 A for ETU25, 27, 45, 55, 75, 76 for setting rated current in K07= Tripped signaling contact, 1 CO not possible with option F02 T40= Door sealing frame U01= with label for export to USA