Draw-out circuit breaker with slide-in module frame 3-pole, Size 1, IEC In=1250 A up to 690 V, 50/60 Hz AC Icu=55 kA at 500 V Rear vertical 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 without 2nd auxiliary release 2NO+2NC R21= Shutter 2-part can be locked with padlock