{"product_id":"carrier-c50a503552-contactor-1k1tl0","title":"OEM Carrier 2-Pole Contactor 24V Coil for C50A503552","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C50A503552\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor is the factory-specified part for the \u003cstrong\u003eCarrier C50A503552\u003c\/strong\u003e packaged unit. The contactor is a high-voltage relay that receives a 24V signal from the thermostat 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 appear completely unresponsive, hum without starting, or trip the breaker repeatedly. Replaces OEM part numbers \u003cstrong\u003eHN53CB115\u003c\/strong\u003e, \u003cstrong\u003eHN53HF122\u003c\/strong\u003e, and \u003cstrong\u003eHN53HG120\u003c\/strong\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V control coil | Rated for high-cycle commercial and residential duty | Factory-matched contact rating for compressor load protection\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 and weld prematurely, causing compressor damage and nuisance lockouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at both the disconnect and breaker panel before beginning. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, multimeter, needle-nose pliers. Photograph all wiring before disconnecting. The contactor mounts in the control panel and wires connect via screw terminals — a straightforward swap for most technicians and experienced DIYers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Fulfilled same business day from our warehouse stock.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eC50A503552\u003c\/strong\u003e commercial rooftop\/packaged unit. This listing covers OEM part numbers HN53CB115, HN53HF122, and HN53HG120 — all factory-authorized replacements for this model. Verify pole count, coil voltage, and amperage rating on your unit's data plate before ordering. Our fitment team is available to confirm compatibility before you purchase. \u003cstrong\u003eIn stock — order by 3PM and ships today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909671571827,"sku":"CARRIE-C50A503552-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909671604595,"sku":"CARRIE-C50A503552-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_78d07132-bcf0-4177-ac9c-c73b5cf659af.jpg?v=1782897640","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a503552-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}