{"product_id":"carrier-cp50p350p305520cp-contactor-1k1s1j","title":"OEM Carrier 2-Pole 30A 24V Coil Definite Purpose Contactor for CP50P350P305520CP | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil 30A for Model CP50P350P305520CP\u003c\/h1\u003e\u003cp\u003eThis OEM contactor (part number \u003cstrong\u003eHN53CD115\u003c\/strong\u003e) is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier CP50P350P305520CP\u003c\/strong\u003e packaged unit. The contactor acts as the primary electrical switch that routes line-voltage power to the compressor and condenser fan motor whenever the thermostat calls for cooling. When the contactor fails — due to pitted contacts, a burned coil, or contacts welded shut — the system will either refuse to start, run continuously without shutting off, or trip the breaker repeatedly. Replacing it with the correct OEM part restores reliable switching and protects your compressor investment.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 30A contact rating | 24V AC coil voltage | Factory-matched contact material and coil resistance for precise pull-in and drop-out voltage thresholds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM Carrier contactors (HN53CD115) use factory-grade silver-alloy contacts rated for tens of thousands of switching cycles. Generic contactors often use lower-grade alloys that pit and arc prematurely, leading to repeat failures within a single season.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wire connections before removal. Transfer one wire at a time to avoid miswiring.\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 climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed and factory-specified for the Carrier \u003cstrong\u003eCP50P350P305520CP\u003c\/strong\u003e packaged unit. Always verify your unit's data plate voltage and amperage specifications match before ordering. Our HVAC parts specialists are available to confirm fitment — just reach out before you buy. In stock and ready to ship today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909588701555,"sku":"CARRIE-CP50P350P305520CP-CONTACTOR-HN53CD115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909588734323,"sku":"CARRIE-CP50P350P305520CP-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.jpg?v=1782897487","url":"https:\/\/nationalhvacparts.com\/products\/carrier-cp50p350p305520cp-contactor-1k1s1j","provider":"National HVAC Parts","version":"1.0","type":"link"}