{"product_id":"carrier-contactor-fiop300e521ga","title":"OEM Carrier Contactor FIOP300E521GA for Model FIOP300E521GA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Contactor FIOP300E521GA for Model FIOP300E521GA\u003c\/h1\u003e\n\u003cp\u003eThis genuine OEM Carrier contactor is a direct-fit replacement for the FIOP300E521GA unit, built to handle the high-amperage switching that powers your compressor and condenser fan motor. Serving as the electrical relay between thermostat and outdoor unit, the contactor closes the circuit each time your system calls for cooling. Repeated arcing wears down the contacts over time, producing symptoms such as a unit that won't start, audible chattering, or a unit that runs nonstop. Fitting a true Carrier-spec contactor ensures the correct coil voltage, pole configuration, and amperage rating for safe, trouble-free operation. This is a manageable repair for a confident homeowner or service tech — kill the power at the disconnect, photograph the wiring, move the wires to the new contactor one by one, and finish in about 20 to 30 minutes. Genuine OEM parts provide dependable contacts and a longer service life than universal substitutes. Avoid fitment guesswork. Order before 3PM CST and your contactor ships same-day, restoring your cooling quickly.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model FIOP300E521GA.\u003c\/p\u003e\n\u003ch2\u003eShipping\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping before 3 PM CST. 30-day returns on uninstalled parts.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"Default Title","offer_id":62942932795763,"sku":"carrier-contactor-fiop300e521ga","price":29.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-carrier-contactor-fiop_96dfcf46-b62d-407a-aa24-58289894645d.jpg?v=1781465228","url":"https:\/\/nationalhvacparts.com\/products\/carrier-contactor-fiop300e521ga","provider":"National HVAC Parts","version":"1.0","type":"link"}