Draw-out circuit breaker with slide-in module frame 3-pole, Size 2, IEC In=4000 A up to 690 V, 50/60 Hz AC Icu=66 kA at 500 V Rear vertical connection Overcurrent release ETU 76 LSING protection adjustable 0.4-1 in with graphic display U cubicle bus with ground fault protection Opt.: Comm./measuring func./ZSI Motorized/manual operating mechanism with spring charging motor AC 50/60 Hz 208-240 V or 220-250 V DC Activation AC 50/60 Hz 230 V, 220 V DC With 1st auxiliary release Shunt release "F", F1 50/60 Hz 230 V AC/220 V DC, 100% on-load factor without 2nd auxiliary release 4NO+4NC R21= Shutter 2-part can be locked with padlock