{"product_id":"carrier-c50a505052-contactor-1k1tl0","title":"OEM Carrier Contactor 2-Pole 24V Coil for C50A505052","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C50A505052\u003c\/h1\u003e\u003cp\u003eThis OEM contactor is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier C50A505052\u003c\/strong\u003e commercial packaged unit. The contactor acts as the primary switching device that closes the 240V power circuit to the compressor and condenser fan motor whenever the thermostat calls for cooling. A failed contactor is one of the most common causes of a system that won't turn on — symptoms include the outdoor unit humming without starting, pitted or burned contact points, or the unit failing to energize altogether despite the thermostat calling for cooling.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-Pole configuration | 24V coil voltage | High-amperage contact rating | Direct OEM replacement — replaces part numbers \u003cstrong\u003eHN53CB115\u003c\/strong\u003e, \u003cstrong\u003eHN53HF122\u003c\/strong\u003e, and \u003cstrong\u003eHN53HG120\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated to factory arc-interruption specs. Generic contactors frequently use lower-grade contacts that pit faster under load, leading to premature failure and potential compressor damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Always photograph all wiring connections before removing the old contactor. Transfer one wire at a time to the new unit to avoid miswiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM replacement for the \u003cstrong\u003eCarrier C50A505052\u003c\/strong\u003e packaged unit. This listing covers three OEM part numbers (HN53CB115, HN53HF122, HN53HG120) — all are factory-authorized replacements for this application. Verify coil voltage and pole configuration on your unit's data plate before ordering. Not sure it fits? Our HVAC parts specialists confirm fitment before you buy — no guesswork.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909668524403,"sku":"CARRIE-C50A505052-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909668557171,"sku":"CARRIE-C50A505052-CONTACTOR-HN53CB115-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-HN53CB115_991e82c0-7ef8-4567-ab50-12be61ef634b.jpg?v=1782904494","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a505052-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}