Draw-out circuit breaker with slide-in module frame 3-pole, Size 1, IEC In=1000 A up to 690 V, 50/60 Hz AC Icu=66 kA at 500 V Rear horizontal connection Overcurrent release ETU 45 LSING protection adjustable 0.4-1 in with cubicle bus and Ground fault protection Opt.: Comm./measuring func./ZSS With manual operating mechanism with storage with mechanical request without 1st auxiliary release With 2nd auxiliary release "F", F2 Shunt release 110 V AC/DC 100% on-load factor 2NO+2NC R21= Shutter 2-part can be locked with padlock T40= Door sealing frame