{"product_id":"tradepro-tp-90293-heavy-duty-spdt-general-purpose-relay-24-vac","title":"TRADEPRO TP-90293 – Heavy-Duty SPDT General Purpose Relay (24 VAC)","description":"\u003ch1 data-pm-slice=\"1 3 []\"\u003eTRADEPRO TP-90293 – Heavy-Duty SPDT General Purpose Relay (24 VAC)\u003c\/h1\u003e\n\u003cp data-pm-slice=\"1 3 []\"\u003eThe \u003cstrong\u003eTRADEPRO® TP-90293\u003c\/strong\u003e is a high-reliability Single Pole Double Throw (SPDT) relay designed for a wide range of switching applications in HVAC and electronic control systems. This relay acts as the \"brain\" for specific components, allowing a low-voltage \u003cstrong\u003e24 VAC\u003c\/strong\u003e thermostat or control board signal to switch higher voltage or higher amperage loads, such as blower motors, heat strips, or auxiliary fans.\u003c\/p\u003e\n\u003cp\u003eEngineered for durability and rapid response, the TP-90293 features a compact, enclosed design that protects internal contacts from dust and oxidation. With its \u003cstrong\u003eSPDT configuration\u003c\/strong\u003e, it provides both Normally Open (NO) and Normally Closed (NC) contacts, offering maximum flexibility for complex wiring circuits. As a TRADEPRO® genuine component, it is built to withstand the high-frequency switching cycles common in modern climate control systems.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features and Function:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVersatile SPDT Switching:\u003c\/strong\u003e Features a \"change-over\" contact arrangement (1 Form C) to control two different circuits or functions from a single signal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnclosed Dust-Proof Housing:\u003c\/strong\u003e The rugged plastic enclosure ensures the internal mechanical components remain clean for a long, arcless service life.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUniversal Mounting Bracket:\u003c\/strong\u003e Equipped with a standard slotted mounting tab for easy installation in air handlers, furnaces, or control panels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Conductivity Terminals:\u003c\/strong\u003e Standard 1\/4\" quick-connect terminals ensure a secure, low-resistance electrical connection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct Details and Key Specifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e TP-90293 (MFG: HCRY51CQ1AB21AB217A)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e TRADEPRO®\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePart Type:\u003c\/strong\u003e General Purpose Switching Relay\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCoil Voltage:\u003c\/strong\u003e 24 VAC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eContact Arrangement:\u003c\/strong\u003e SPDT (Single Pole Double Throw)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eContact Rating:\u003c\/strong\u003e 12A @ 125V \/ 6A @ 277V (Inductive)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTerminals:\u003c\/strong\u003e 1\/4\" Male Quick-Connects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e🛠️ HVAC Depot Pro Tip: The \"Chatter\" Check\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eWhen replacing a relay, always verify that your 24V transformer has enough VA (Volt-Amp) capacity to pull the coil in completely. If the relay \"chatters\" (clicks rapidly), it’s often a sign of low voltage or a failing transformer rather than a bad relay. Always use insulated female spade connectors to prevent accidental shorts inside the control cabinet.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCross-Reference \u0026amp; Compatibility:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe TP-90293 is a direct functional replacement for many industry-standard 24V SPDT relays, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMars:\u003c\/strong\u003e 90293, 90340\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHoneywell:\u003c\/strong\u003e R8222D1014\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePackless:\u003c\/strong\u003e 90-293\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhite-Rodgers:\u003c\/strong\u003e 90-293Q\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eZettler:\u003c\/strong\u003e AZ2280-1C-24AF\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eExtensive Model Compatibility List:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGeneral HVAC:\u003c\/strong\u003e Used across countless Air Handler and Furnace brands including Goodman, Rheem, Carrier, and York.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Integration:\u003c\/strong\u003e Compatible with humidifiers, electronic air cleaners, and multi-stage fan control circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TRADEPRO®","offers":[{"title":"Default Title","offer_id":52451519758699,"sku":"817506021428","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/9683\/9531\/files\/90293.jpg?v=1775161839","url":"https:\/\/tophvacparts.com\/products\/tradepro-tp-90293-heavy-duty-spdt-general-purpose-relay-24-vac","provider":"HVAC Parts and Equipment Depot","version":"1.0","type":"link"}