Bard 8401-039 - Auxiliary NC Contact

The Bard 8401-039 Aux. NC Contact is an OEM electrical auxiliary normally closed contact used with select Bard wall mounted air conditioner and heat pump control circuits to provide an additional NC signal that changes state when the associated contactor energizes. This type of auxiliary contact is commonly used for interlocks, safety monitoring, or proving logic in the low voltage control scheme, helping the unit operate in the correct sequence and preventing nuisance issues caused by mismatched aftermarket contact blocks. Verify compatibility by matching the part number in your Bard parts list or unit wiring diagram before ordering, since auxiliary contacts are specific to the contactor style and mounting.

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