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How are thermal units for a motor control center starter unit selected?

Issue:
Selection and Maintenance


Product Line:
Motor Control Centers


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


Cause:
Motor starters equipped with melting alloy or bimetallic overload relays require thermal units to operate.


Resolution:
Thermal unit selection charts are located in each motor control center sections's vertical wireway door.


CTA-ID : 2052675

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