3-Service-Position Indoor HV Isolating Switches
Functions of isolating switch and earthing switch are realized by one driving shaft and one movable contact knife in the condition of air insulation. The product is a new multi-function switch that owns three operation positions of on, isolating (off) and earthing;
The structure of products is reasonable, compact, small volume, safety and reliable. The performance of anti-wrong-operation is quite good. It is an ideal matched product of minimized switchgear;
When switching on and switching off, turn a crank connecting to a shaft by an operating handle, a connection rod makes a movable contact knife rotate for closing, isolating (testing) and earthing.
Dimensions of the voltage transformers
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