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Check out UPPI's new Pioneer LineUPS!


Ferroresonant Products


Click on the links below for product information and specifications.   The products listed here are our most popular systems.  Many others are available.  If you don't see what you're looking for, or aren't sure which product is right for you, please ask.  We will be glad to help  ........


Ferroresonant Technology

Ferroresonant UPS systems were the first to be developed.  They are based on the inherent capabilities of the Ferroresonant transformer.  These transformers provide passive voltage regulation, using no electronics or active parts, allowing them to accept a wide range of input voltage and still maintain a constant output voltage.   In addition, their  "ride-through" capability (based on the stored energy in electromagnetic field surrounding the transformer) allows greater flexibility in inverter designs.  Ferroresonant systems typically provide the best isolation from the incoming line, since the transformer serves as a separately derived power source.  Although these systems are typically quite heavy, and efficiency leaves a bit to be desired, they are simple, easy to service and very reliable ......


Powerware FerrUPSŪ   (500VA - 18 KVA)

UPPI Pioneer LineUPS   (4-20 KVA)


This page is frequently updated with new products as they are developed.  If you don't see what you are looking for, or have a question about these or any other products,  feel free to e-mail us, give us a call, or use the information request form below.  Please check back often for improvements and additions to the information listed here ........


Information Request Form

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Critical Power Services, Inc.  *    940 Oakland Park Avenue  *   Columbus, Ohio  43224

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Critical Power Services, Inc.
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