{"product_id":"carrier-cp50p550p505510cp-contactor-1k1s1j","title":"OEM Carrier Contactor 2-Pole 24V Coil for CP50P550P505510CP","description":"\u003ch1\u003eOEM Carrier Contactor 2-Pole 24V Coil for Model CP50P550P505510CP\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor (part number \u003cstrong\u003eHN53CD115\u003c\/strong\u003e) is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier CP50P550P505510CP\u003c\/strong\u003e packaged unit. The contactor acts as the main power switch, closing the circuit to the compressor and condenser fan motor whenever the thermostat calls for cooling. When the contactor fails — due to burned or pitted contacts, a stuck plunger, or a failed coil — the system will either fail to start entirely, run continuously without shutting off, or make a loud chattering or buzzing noise from the electrical cabinet.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V control coil voltage | Factory-rated amperage | OEM part number HN53CD115 | Direct drop-in replacement with original wiring positions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor features factory-grade silver-alloy contact tips rated for thousands of switching cycles. Generic contactors often use lower-grade contacts that pit and oxidize faster, leading to premature failure and potential compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Always disconnect and lock out power at the disconnect box before servicing. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removal. Verify coil voltage with a multimeter before powering up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before cutoff ship the same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eCarrier CP50P550P505510CP\u003c\/strong\u003e packaged unit. Always verify your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our fitment team is available to confirm compatibility before you buy — no guesswork required. Order today and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909583491443,"sku":"CARRIE-CP50P550P505510CP-CONTACTOR-HN53CD115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909583524211,"sku":"CARRIE-CP50P550P505510CP-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_97b91361-0bd6-4385-96dd-9d573a2ef78f.jpg?v=1782904623","url":"https:\/\/nationalhvacparts.com\/products\/carrier-cp50p550p505510cp-contactor-1k1s1j","provider":"National HVAC Parts","version":"1.0","type":"link"}