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This OEM contactor is the factory-specified replacement for the Carrier 09DE146C500. The contactor acts as a high-voltage relay, using a low-voltage signal from the control board to switch the high-voltage power circuit on and off — energizing the compressor and condenser fan motor every time a cooling call is made. A failed contactor is one of the most common reasons an HVAC unit simply will not turn on, hums without starting, or shows signs of burnt or pitted contact points that cause intermittent or complete loss of operation.
Compatibility: Designed for the Carrier 09DE146C500. Verify your unit's coil voltage and amperage rating on the equipment data plate before ordering. Cross-references with 3100-20T628. Our team is available to confirm fitment — order with confidence and get back up and running fast.