Automatic transfer switch unit PAC 275

The PAC is a switching panel capable of powering a plant from two separate and autonomous energy sources which are normally: the Network and the Generator.

In the absence of the main network, the control board on the PAC provides consent for starting the generator when the generator is running, the voltage and frequency are stable within the set parameters, the board automatically commands the closure of the switching on the generator side.

When the mains voltage returns, the changeover is automatically closed again on the mains and the generator is stopped.

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