(1)CT35 spring operating mechanism is available for operating 40.5kv SF6 vacuum circuit breaker and 72.5kv vacuum breaker. It can meet with the requirements of GB1984 high-voltage AC breaker and the technical conditions of the product, and all the indexes have reached and exceeded the relevant standards of the high-voltage AC breaker in IEC56.
(2) This mechanism has a electrical energy storage and manual energy storage two ways, closing operation can be remote operated through closing-brake tripping device and rotating handle.
(3)According to the different types of breaker, the mechanism has two kinds of structure: CT35 without break-brake spring, according to the different requirements of users, the institutions can be equipped with mechanism box and secondary control circuit.
Service conditions:
1, Air temperature: -30℃~40 ℃;
2, RH(relative humidity): month average not more than 90%;
3, Air polluted degree: not more than GB5582 Ⅲ level;
4, wind pressure: not more than 700 Pa (equivalent to wind speed 34 m/s);
5, Places: no regular violent vibration;
6, installation site: indoor or outdoor.

Technical parameters:
Technical data of the energy-storage motor (universal motor) ,to see table 1:

By using a special rocker whose length is 380mm to finish manual energy storage, the maximum operating force is 150 Nm;
Technical parameters of closing-brake electromagnet that a screw tubular electromagnet , to see table 2:

Technical parameters of break-brake electromagnet that a screw tubular electromagnet ,to see table 3:

1, Net weight: 90kg , and 100kg with separating brake.
2, Mechanical life: 6000 times.
3, Output angle: from 48°to 50°
4, Tripping work: from 600 J to 1200 J.