CT19 type spring operation mechanism General description CT19 type spring operation mechanism is available for ZN28 series VCB and other VCBs which is of equivalent closing power with that of ZN28’s. It is most widely used spring operating mechanism at present. Main Technical Data: No. Item Data 1 Closing power 100~180J 2 Rated power of motor 120W 3 Contact at frequent CO of travel switch 2 pairs 4 Contact at frequent CO of auxiliary switch 6 pairs 5 Rated voltage of motor AC/DC 110V, AC/DC 220V 6 Output turning angle of mechanism 500~550 7 Energy-stored duration =15secs 8 Mechanical life 10000 operation cycles

CT19A type spring operating mechanism General description CT19A type spring operation mechanism is used for fitting XGN2-10, GG1-A type switchgear and other HV switchgears, which have the equivalent closing power with that of CT19A type. Three overcurrent trippers and undervoltage trippers can be equipped inside it. It is the most perfect product for switchgears. No. Item Data 1 Closing power 180~230J 2 Rated power of motor 120W 3 Contact at frequent CO of travel switch 2 pairs 4 Contact at frequent CO of auxiliary switch 6 pairs 5 Rated voltage of motor AC/DC 110V, AC/DC 220V 6 Output turning angle of mechanism 500~550 7 Energy-stored duration =15secs 8 Mechanical life 10000 operation cycles