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Are the stirring fans in an MCC drive bucket supposed to run all the time?

Issue:
Maintenance

Product Line:
Drives, Motor Control Centers

Environment:
NEMA ICS 18-2001, EEMAC, UL 845, NFPA70 Art. 430

Cause:


Resolution:
Yes. The stirring fans in a variable speed drive motor control center bucket are designed to run constantly to provide proper ventilation and cooling to the drive electronics.


CTA-ID : 2053256
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