SENTRON 3KC ATC6300; LCD; 144x144 mm; transfer control device for control of MCCB, ACB, LBS; for load transfer between main and standby power supply; control panel instrument; Un 100...240 V AC 50/60 Hz, 110...250 V DC; Un 12...24 V DC nominal voltage Ue: 100...480 V AC 50/60 Hz; screw terminal connection expandable with up to 2 additional modules