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What is meant by an overlapping auxiliary contact?

Published date: 19 June 2020

Issue:
Overlapping auxiliary contacts explanation

Product Line:
NEMA and IEC Contactors and Starters

Environment:
Accessories - Auxiliary contacts
 
Resolution:
Overlapping contacts provide a period where both contacts are closed at the same time.
Typically this arrangement occurs when you have a normally closed and normally open contact. Upon energization of the circuit the normally open contact closes and then the normally closed contact opens.

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