{"product_id":"carrier-cp50p450p406020cp-contactor-1k1s1j","title":"OEM Carrier 40A Contactor 2-Pole 24V Coil for CP50P450P406020CP","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model CP50P450P406020CP\u003c\/h1\u003e\u003cp\u003eThis OEM contactor is the factory-specified replacement for the \u003cstrong\u003eCarrier CP50P450P406020CP\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay that receives a 24V signal from the thermostat and closes to deliver line voltage to the compressor and condenser fan motor. When the contactor fails — due to pitted contacts, a burned coil, or a stuck plunger — the system will either fail to start entirely, run continuously without cycling off, or produce an audible buzzing with no compressor engagement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | 30–40 amp contact rating | Factory OEM part number HN53CD115 | Direct drop-in replacement, no wiring modifications required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM contactor uses factory-spec silver-alloy contact tips rated for the exact load profile of the CP50P450P406020CP. Generic contactors often use lower-grade contacts that pit faster under load, leading to premature failure and compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Always shut off power at the disconnect and verify voltage is absent with a non-contact tester before proceeding. Tools needed: flat-head and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before removal. Line-voltage terminals must be torqued to spec to prevent arcing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty included. Orders placed before cutoff ship same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Carrier \u003cstrong\u003eCP50P450P406020CP\u003c\/strong\u003e commercial packaged unit. Cross-references OEM part number \u003cstrong\u003eHN53CD115\u003c\/strong\u003e. Always confirm pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our HVAC parts specialists are available to verify fitment — order with confidence and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909585949043,"sku":"CARRIE-CP50P450P406020CP-CONTACTOR-HN53CD115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909585981811,"sku":"CARRIE-CP50P450P406020CP-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_053636c1-b2f9-4a62-9d47-a243d273a48a.jpg?v=1782898946","url":"https:\/\/nationalhvacparts.com\/products\/carrier-cp50p450p406020cp-contactor-1k1s1j","provider":"National HVAC Parts","version":"1.0","type":"link"}