{"product_id":"carrier-cp50p450p405510cp-contactor-1k1s1j","title":"OEM Carrier 40A Contactor 2-Pole 24V Coil for CP50P450P405510CP","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model CP50P450P405510CP\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor is the factory-specified part for the \u003cstrong\u003eCarrier CP50P450P405510CP\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay controlled by the 24V thermostat circuit — when the thermostat calls for cooling, the contactor closes its poles to send line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common causes of an air conditioner that won't start, hums without running, or trips the breaker repeatedly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V coil voltage | 30–40A rated contacts | Factory OEM part number HN53CD115 | Direct drop-in replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor is manufactured to exact Carrier factory specifications with silver-alloy contact tips for maximum arc resistance and service life. Generic contactors frequently use lower-grade contact materials that pit and fuse under repeated load cycling, leading to premature failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the breaker and verify zero voltage with a multimeter before beginning. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers. Photograph all wiring connections before removing the old contactor to ensure correct reinstallation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM replacement for \u003cstrong\u003eCarrier CP50P450P405510CP\u003c\/strong\u003e commercial packaged units. Verify coil voltage (24V) and pole configuration on your unit's data plate and wiring diagram before ordering. Our HVAC parts specialists are available to confirm fitment — just reach out before you order. Order by 3PM EST for same-day shipping.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909586899315,"sku":"CARRIE-CP50P450P405510CP-CONTACTOR-HN53CD115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909586932083,"sku":"CARRIE-CP50P450P405510CP-CONTACTOR-HN53CD115-GEN","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-2pole-HN53CD115_e9f5dea5-3be7-4785-a774-0952bd79e79b.jpg?v=1782898944","url":"https:\/\/nationalhvacparts.com\/products\/carrier-cp50p450p405510cp-contactor-1k1s1j","provider":"National HVAC Parts","version":"1.0","type":"link"}