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What replaces the Class 6520 Speed unit?

Customer has an 6520CG11 and needs to replace it. 

Product line:
Class 6520, Class 6521, Pump Control

all models

Obsolete parts and product

The Class 6520 Thyristor Pump Control panels were available in the 1970's.  All parts are now obsolete.  The Pump Control panels were adjustable speed controllers built in full sized MCC sections rated NEMA 1 and convection cooled.  The enclosure may have included a pressure sensor/transducer as well as other factory modifications. 

Review the requirements with the customer and replace with current products to suit the application.
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