{"product_id":"carrier-cp50p550p504010cp-contactor-1k1s1j","title":"OEM Carrier 2-Pole Contactor 24V Coil 40A for CP50P550P504010CP — Ships Today","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil 40A for Model CP50P550P504010CP\u003c\/h1\u003e\u003cp\u003eThis OEM contactor is the factory-specified replacement for the \u003cstrong\u003eCarrier CP50P550P504010CP\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay controlled by the 24V thermostat signal — when your thermostat calls for cooling, the contactor closes to send line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common reasons an air conditioning system won't respond to a call for cooling, produces a loud chattering or buzzing noise at the outdoor unit, or runs continuously without shutting off due to welded contacts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | 40A rating | OEM part number HN53CD115 | Factory-matched contact material and coil resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor uses factory-grade silver-alloy contact tips rated for thousands of switching cycles. Generic contactors frequently use lower-grade contact material that pits and welds prematurely, leading to compressor damage or runaway operation.\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 servicing. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring before disconnecting terminals. The contactor pulls straight out of the mounting bracket after screws are removed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. Orders ship same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eCP50P550P504010CP\u003c\/strong\u003e packaged unit. Always verify coil voltage and amperage ratings on your unit's data plate before ordering. OEM part number HN53CD115 is stamped on the original component for cross-reference confirmation. Need fitment help? Our HVAC parts specialists verify compatibility before your order ships — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909584310643,"sku":"CARRIE-CP50P550P504010CP-CONTACTOR-HN53CD115","price":36.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909584343411,"sku":"CARRIE-CP50P550P504010CP-CONTACTOR-HN53CD115-GEN","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-2pole-HN53CD115_08ee7eba-7a82-4065-97c1-4dacc2020783.jpg?v=1782897572","url":"https:\/\/nationalhvacparts.com\/products\/carrier-cp50p550p504010cp-contactor-1k1s1j","provider":"National HVAC Parts","version":"1.0","type":"link"}