{"product_id":"2pack-ssr40aa-solid-state-relay","title":"SSR-40AA AC to AC Solid State Relay - 2 Pack","description":"\u003ch2\u003eSSR-40AA Solid State Relay\u003c\/h2\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eModel: SSR-40AA\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eType: Single Phase AC-to-AC Solid State Relay\u003c\/li\u003e\n\u003cli\u003eLoad Current: 40A\u003c\/li\u003e\n\u003cli\u003eInput Voltage Range: 70-280V AC\u003c\/li\u003e\n\u003cli\u003eOutput Voltage Range: 24-480V AC\u003c\/li\u003e\n\u003cli\u003eSwitching Method: Zero-Crossing\u003c\/li\u003e\n\u003cli\u003eFeatures a built-in LED status indicator\u003c\/li\u003e\n\u003cli\u003eDesigned with a metal base plate for thermal management\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplaces \/ Cross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSSR-40AA\u003c\/li\u003e\n\u003cli\u003eSSR 40AA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGeneral-purpose component for applications requiring AC load switching.\u003c\/li\u003e\n\u003cli\u003eCommonly used in temperature control systems (PID), industrial automation, heating elements, lighting controls, and other machinery.\u003c\/li\u003e\n\u003cli\u003eDesigned for use with resistive loads.\u003c\/li\u003e\n\u003cli\u003eEnsure your application's voltage and current requirements fall within this relay's specified operating range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe connected load does not turn on when control voltage is applied.\u003c\/li\u003e\n\u003cli\u003eThe connected load remains on permanently, even with no control voltage.\u003c\/li\u003e\n\u003cli\u003eOperation is intermittent or unreliable.\u003c\/li\u003e\n\u003cli\u003eVisible signs of overheating, charring, or physical damage to the relay casing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eA heat sink is required for loads exceeding 10A to prevent overheating.\u003c\/li\u003e\n\u003cli\u003eApply a thin layer of thermal compound between the relay's metal base and the heat sink for optimal heat transfer.\u003c\/li\u003e\n\u003cli\u003eEnsure all terminal connections are secure to prevent arcing.\u003c\/li\u003e\n\u003cli\u003eUse appropriately sized wiring to handle the intended load current.\u003c\/li\u003e\n\u003cli\u003eVerify correct wiring for input (control) and output (load) terminals before applying power.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BlueStarsParts","offers":[{"title":"Default Title","offer_id":45844235157693,"sku":"AZ00230688","price":25.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2576\/7548\/files\/AZ00236087_1_15610535-624c-40dc-9226-5402002afc39.jpg?v=1762245740","url":"https:\/\/bluestarspartstrend.com\/products\/2pack-ssr40aa-solid-state-relay","provider":"BlueStars Parts","version":"1.0","type":"link"}