The Thyristor Range

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Single Loop Controllers

Multi Loop Controllers


Limit Controllers


Whether the load is constant or variable resistance, inductive or transformer coupled, single or three phase, we have the right thyristor power controller to meet your exact requirements. Thyristor units start at 3A, with numerous sizes up to 2600A and 690Vac.

PMA Relay Range of Thyristor Controllers

To find out more about a specific product please select from the category of thyristors from the options below: 

Thyristor Presentation

To learn more about Thyristor Power Controllers, why not watch our Introduction to Thyristors presentation?