FK10-II Auxiliary Switch With Indoor High Voltage Vacuum Circuit Breaker's Handcart
Auxiliary switches are part of the main switches, which are used in power equipment such as high or medium voltage circuit breakers, isolation switches and so on.e it is not an independent switch, it is in the control system is an auxiliary broken, connected, interlock function realization carrier.
An auxiliary switch is an attachment of an operating mechanism for remote automatic separation and closure circuit breakers. The electric operating mechanism consists of a motor operating mechanism and an electromagnet operating mechanism. The motor operating mechanism is a plastic shell circuit breaker housing rated current of 400A and above. The electromagnet operating mechanism is suitable for a plastic shell circuit breaker housing rated current of 225A and below. (There are now contactors with an electromagnet operating mechanism with a rated current of 400A and above), which have the same suction and rotation direction for electromagnets or Motors, and which are reached and divided only by the position of the cam within the electric actuator. When operating with an electric actuator, the circuit breaker should be able to ensure the reliable closure of the circuit breaker at any voltage between 85 % and 110 % of the rated control voltage.
Auxiliary switches are used for plastic circuit breakers, which have a mechanism for rotating the handle on the cover of the circuit breaker. The shaft of the handle is mounted in the hole of the mechanism, the other end of the shaft passes through the hole in the drawer cabinet, the handle of the rotating handle is mounted on the open end of the valve on the door of the set, and the round or square seat of the handle is fixed with screws. This installation allows the operator to turn the handle clockwise or counterclockwise outside the door to ensure that the circuit breaker is closed or divided. At the same time, turning the handle ensures that the door can not be opened when the circuit breaker is closed. The door of the switchboard can be opened only if the turning handle is divided or re-buttoned. In an emergency, the circuit breaker is located at & quot; Close & quot; When you need to open the door, you can turn the red release button around the handle seat.
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Plastic Auxiliary Switch Electrical Switchgear Components for High Voltage VCB Images
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