{"product_id":"2pack-ssr40da-solid-state-relay","title":"SSR-40DA DC to AC Solid State Relay - 2 Pack","description":"\u003ch2\u003eSSR-40DA Solid State Relay\u003c\/h2\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eModel: SSR-40DA\u003c\/li\u003e\n\u003cli\u003eControl Method: DC to AC\u003c\/li\u003e\n\u003cli\u003eInput Voltage: 3-32V DC\u003c\/li\u003e\n\u003cli\u003eLoad Voltage: 24-380V AC\u003c\/li\u003e\n\u003cli\u003eLoad Current: 40A\u003c\/li\u003e\n\u003cli\u003eSwitching Mechanism: Electronic, no mechanical parts\u003c\/li\u003e\n\u003cli\u003eTrigger Type: Zero-cross\u003c\/li\u003e\n\u003cli\u003eConnections: 4 screw terminals for input and output\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplaces \/ Cross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSSR-40DA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGeneral-purpose component for controlling high-current AC loads with a low-voltage DC signal.\u003c\/li\u003e\n\u003cli\u003eSuitable for automatic control systems, including temperature controllers, HVAC systems, and industrial machinery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRelay fails to activate when input voltage is applied.\u003c\/li\u003e\n\u003cli\u003eRelay remains stuck in the \"ON\" position, even with no input voltage.\u003c\/li\u003e\n\u003cli\u003eIntermittent or unreliable switching of the AC load.\u003c\/li\u003e\n\u003cli\u003eVisible signs of damage, overheating, or melting on the relay housing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDisconnect all power to the system before installation.\u003c\/li\u003e\n\u003cli\u003eA heat sink is recommended for loads approaching the 40A rating to ensure proper heat dissipation.\u003c\/li\u003e\n\u003cli\u003eEnsure all screw terminals are securely fastened to prevent arcing.\u003c\/li\u003e\n\u003cli\u003eVerify that the wire gauge used is appropriate for the electrical load.\u003c\/li\u003e\n\u003cli\u003eConfirm input and output connections are correct before applying power.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BlueStarsParts","offers":[{"title":"Default Title","offer_id":45369807175869,"sku":"AZ00161427","price":21.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2576\/7548\/files\/AZ00136914_1_242a6d5b-fcb2-48f2-a2dd-5941f935c15b.jpg?v=1762246311","url":"https:\/\/bluestarspartstrend.com\/products\/2pack-ssr40da-solid-state-relay","provider":"BlueStars Parts","version":"1.0","type":"link"}