Generator Transfer Switch Diagram

In this post, you will learn how to wire a generator transfer switch diagram for 3 phase 4 wire system, as you know there are different types of changeover switch/transfer switch for single phase, 3 phase and 3 phase 4 wire system. Some are automatic transfer switches and some are manual. In this, you will learn how to wire a manual generator transfer switch for three-phase four wire system.

Generator transfer switch diagram for 3 phase 4 wire system


As you know in the single phase we have two wire supply (neutral and Line), in the 3 phase we have 3 line wires. And in 3 phase 4 wire system, we have 3 line wire and one neutral wire. In the below diagram I have shown 3 phase 4 wire system changeover or transfer switch.

 

generator transfer switch diagram

n the above transfer switch diagram, all connection are shown, however, this is an example of wiring a transfer switch. The shape of the transfer switch can be changed, So first read the diagram and then do the connection.

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