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What is the Use of High Voltage Isolation Switch?

 

 

What is the Use of High Voltage Isolation Switch?

Isolating switch is mainly used to isolate the part that needs to be cut off from the live part in the high voltage power distribution device reliably to ensure the safety of maintenance work.

The contact of the isolation switch is all open in the air, with obvious disconnect point, the isolation switch has no arc extinguishing device, so it can not be used to cut off the load current or short circuit current, otherwise under the action of high pressure, the disconnect point will produce a strong arc, and it is difficult to extinguish. It may even cause arcs (relative or interphase short circuit), burn equipment, and endanger personal safety, which is called "load pull disconnecting switch" serious accident. Disconnecting switches can also be used to switch certain circuits to change the way the system operates.

What is the Use of High Voltage Isolation Switch?


Isolating switch is mainly used to isolate the part that needs to be cut off from the live part in the high voltage power distribution device reliably to ensure the safety of maintenance work.


The contact of the isolation switch is all open in the air, with obvious disconnect point, the isolation switch has no arc extinguishing device, so it can not be used to cut off the load current or short circuit current, otherwise under the action of high pressure, the disconnect point will produce a strong arc, and it is difficult to extinguish. It may even cause arcs (relative or interphase short circuit), burn equipment, and endanger personal safety, which is called "load pull disconnecting switch" serious accident. Disconnecting switches can also be used to switch certain circuits to change the way the system operates.