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CoolBLUE Design and Installation Guides

1 Minute Read

September 17, 2025

Get product features, installation details and more

Variable frequency drive systems create damaging motor bearing currents that can lead to lubrication breakdowns and electrical discharge machining — resulting in motor bearing failure.

CoolBLUE cores act as a buffer to filter or “choke” these currents caused by VFD systems. They significantly reduce over-voltage peaks at motor terminals and suppress asymmetrical EMI currents.

Renown offers CoolBLUE Design and Installation Guides so you can better understand how these inductive absorbers deliver the highest reliability and longevity of your motor. Inside, you’ll find:

  • Product features
  • Equipment and applications that CoolBLUE solutions serve
  • Installation and mounting procedures for CoolBLUE cores

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