Kay Industries is committed to ensuring your complete satisfaction with your Phasemaster® rotary phase converter. That is why we collaborate with you to ensure that you receive the appropriate phase converter for your application.

Follow these methods to choose the optimal phase converter for your application:

1. Obtain Information. A few fundamental pieces of information are required to choose the best phase converter. Once you’ve completed the sizing and selection worksheet, you’ll have all the information you need to assure your pleasure.

NOTE: Once you’ve finished the worksheet, leave the rest to us. Simply fill out the form online. We will contact you with our recommendation within one business day.

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2. Consult the Application Guide to determine the best Phasemaster Rotary phase converter model for your application.

3. Choose the appropriate conversion size from our sizing tables.

4. Determine if extra accessories, such as weatherproof enclosures, lightning protection, and transformers, are required for your application.

If you have any questions, please email us or call 574-236-6220 to speak with one of our application engineering consultants.

A phase converter is rated in two ways. The first and most essential rating is the maximum number of motor horsepower that the converter can start. This might be a single motor or a group of motors. Starting one 10 HP motor, for example, is the same as starting two 5 HP motors at the same time. In this scenario, a 10 HP converter is appropriate.

The second rating is the Maximum or Total HP, which functions concurrently but does not begin simultaneously. A Type MA Phasemaster® converter can typically run three times as many HP as it can start. A 15 HP, a 10 HP, and a 5 HP motor (for a total of 30 HP) that start independently but run simultaneously might be powered by a 15HP converter. The greatest motor that can be started is 15HP, and the maximum load is 45HP.

Never sum your total operational HP for sizing purposes unless all of your loads start at the same time. If the total HP working at the same time exceeds the Maximum HP capability of that converter, upgrade to a larger model. For size considerations, use the largest motor. Check with Kay Industries to confirm your choice.

Never size your converter based just on total amperage; you will most likely overpay for that much capacity.

If you have any questions, please email us or call 574-236-6220 to speak with one of our application engineering consultants.