Automatic Controls

Automatic Controls


Installation instruction for all model with the Automatic Control add-on “A”.


Installation instructions for all model with Automatic Controls.

This is an add-on feature. It is built into your Phasemaster® rotary phase converter. It adds built-in fuses, magnetic starter, terminal blocks, and time delay relay to allow converter to be turned on and off by the load controller in unattended applications.

It is ideal for elevators, pumps, HVAC, and other on-demand unattended loads.


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The controller is adjusted at the factory but may require additional fine adjustment to function properly in various loads and input voltage conditions.