{"product_id":"carrier-cp50p450p403520cp-contactor-1k1s1j","title":"OEM Carrier Contactor 2-Pole 24V Coil for CP50P450P403520CP","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model CP50P450P403520CP\u003c\/h1\u003e\u003cp\u003eThis OEM contactor is the factory-specified replacement for the \u003cstrong\u003eCarrier CP50P450P403520CP\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay that receives a 24V signal from the thermostat or control board and closes to send line voltage to the compressor and condenser fan motor. When it fails — due to pitted contacts, a burned coil, or a stuck plunger — the system will either refuse to start entirely, run continuously without cycling off, or trip the breaker under load.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | Heavy-duty contact rating | OEM part number HN53CD115 | Factory-matched for Carrier CP50P450P403520CP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor uses factory-spec contact material and coil windings designed to exact Carrier tolerances. Generic contactors frequently use lower-grade contact alloys that pit and weld faster, especially in high-cycle commercial environments — 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 power at the disconnect box and verify zero voltage with a multimeter before touching any wiring. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring before disconnecting. Line-voltage terminals carry 240V — exercise caution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock units ship same business day when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as a direct OEM replacement for \u003cstrong\u003eCarrier model CP50P450P403520CP\u003c\/strong\u003e commercial packaged units. Cross-references OEM part number \u003cstrong\u003eHN53CD115\u003c\/strong\u003e. Always verify pole count, coil voltage, and amperage rating on your existing contactor's label before ordering to confirm fitment. Our HVAC parts specialists are available to verify compatibility prior to purchase — order with confidence and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909587587443,"sku":"CARRIE-CP50P450P403520CP-CONTACTOR-HN53CD115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909587620211,"sku":"CARRIE-CP50P450P403520CP-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_c0ba7be9-a4f0-4a50-85b7-044c1b992f79.jpg?v=1782904592","url":"https:\/\/nationalhvacparts.com\/products\/carrier-cp50p450p403520cp-contactor-1k1s1j","provider":"National HVAC Parts","version":"1.0","type":"link"}