{"product_id":"din-rail-solid-state-relay-10a-120a-dd-da-aa-with-heat-sink","title":"Din Rail Solid State Relay 10A–120A DD DA AA with Heat Sink","description":"\n\u003ch2\u003eDin Rail Mount Single-Phase Solid State Relay with Heat Sink — 10A to 120A\u003c\/h2\u003e\n\u003cp\u003eUpgrade your electrical control panel with this versatile \u003cstrong\u003eDin Rail Solid State Relay (SSR)\u003c\/strong\u003e, available in output current ratings from \u003cstrong\u003e10A to 120A\u003c\/strong\u003e and three control configurations — \u003cstrong\u003eDD (DC controlled DC)\u003c\/strong\u003e, \u003cstrong\u003eDA (DC controlled AC)\u003c\/strong\u003e, and \u003cstrong\u003eAA (AC controlled AC)\u003c\/strong\u003e. Featuring no moving parts, silent switching, and fast on\/off response (≤10ms), this SSR is ideal for industrial automation, temperature controllers, PLCs, motor control, heating elements, and more. The included aluminum heat sink ensures efficient thermal dissipation for stable, long-term operation. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eHow to Choose Your SSR Configuration\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAA:\u003c\/strong\u003e AC input controls an AC load\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDA:\u003c\/strong\u003e DC input (3–32VDC) controls an AC load (24–480VAC)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDD:\u003c\/strong\u003e DC input (3–32VDC) controls a DC load (5–220VDC)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to Calculate the Right Current Rating\u003c\/h3\u003e\n\u003cp\u003eUse this simple formula to select the correct amperage:\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003e\u003cstrong\u003eEquipment Power ÷ Voltage = Operating Current\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eOperating Current ÷ Load Coefficient = Required SSR Rating\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eLoad Coefficients:\u003c\/em\u003e Resistive load: 60% | Inductive load: 30%\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExample:\u003c\/strong\u003e A 1500W motor (inductive load) on 220V: 1500W ÷ 220V = 6.8A; 6.8A ÷ 0.3 = 22.7A → Select the \u003cstrong\u003e25A SSR\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications — DA Model (DC Controlled AC)\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10A – 120A (selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3–32VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoad Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24–480VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOn-State Voltage Drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 1.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOn\/Off Switching Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 10ms\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-30°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eSpecifications — AA Model (AC Controlled AC)\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10A – 120A (selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70–280VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoad Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24–480VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOn-State Voltage Drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 1.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOn\/Off Switching Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 10ms\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-30°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eSpecifications — DD Model (DC Controlled DC)\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10A – 120A (selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3–32VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoad Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5–220VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOn-State Voltage Drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 1.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOn\/Off Switching Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 10ms\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-30°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eWide current range:\u003c\/strong\u003e 10A, 25A, 40A, 60A, 80A, 100A, 120A options\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eThree control modes:\u003c\/strong\u003e DD, DA, and AA configurations available\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eDin Rail mounting\u003c\/strong\u003e for fast, tool-friendly panel installation\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eIncluded heat sink\u003c\/strong\u003e for efficient thermal management\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eSilent, spark-free switching\u003c\/strong\u003e — no mechanical wear\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eFast switching:\u003c\/strong\u003e ≤ 10ms on\/off response time\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eWide operating temperature:\u003c\/strong\u003e -30°C to +70°C\u003c\/li\u003e\n  \u003cli\u003e✅ Compatible with PLCs, microcontrollers, temperature controllers, and automation systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIndustrial automation and process control\u003c\/li\u003e\n  \u003cli\u003eHeating element and temperature regulation systems\u003c\/li\u003e\n  \u003cli\u003eMotor starters and speed control\u003c\/li\u003e\n  \u003cli\u003ePLC and microcontroller output switching\u003c\/li\u003e\n  \u003cli\u003eLighting control systems\u003c\/li\u003e\n  \u003cli\u003eHVAC and refrigeration control panels\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on electrical safety standards and proper installation practices for industrial control components, visit \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA Electrical Safety\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between the DD, DA, and AA solid state relay configurations?\u003c\/h4\u003e\n\u003cp\u003eA: The letters indicate the control input and load output types. \u003cstrong\u003eDD\u003c\/strong\u003e means DC input controls a DC load; \u003cstrong\u003eDA\u003c\/strong\u003e means DC input (3–32VDC) controls an AC load (24–480VAC); \u003cstrong\u003eAA\u003c\/strong\u003e means AC input (70–280VAC) controls an AC load. Choose the configuration that matches your controller output and your load type.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do I need to use the included heat sink with the solid state relay?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — especially at higher current ratings (40A and above). Solid state relays generate heat proportional to load current. The included aluminum heat sink dissipates this heat and helps maintain safe operating temperatures, prolonging the relay's service life and ensuring reliable performance.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I select the right current rating for my application?\u003c\/h4\u003e\n\u003cp\u003eA: Divide your equipment's power (watts) by the supply voltage to get the operating current. Then divide that by the load coefficient — 0.6 for resistive loads (e.g. heaters), or 0.3 for inductive loads (e.g. motors). Choose the next standard SSR size above your calculated value (10A, 25A, 40A, 60A, 80A, 100A, or 120A) for a safe and reliable installation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this solid state relay compatible with standard DIN rail panels?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This SSR is designed with a standard DIN rail mounting clip, making it quick and easy to install in any standard electrical enclosure or DIN rail panel without additional hardware.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between the DD, DA, and AA solid state relay configurations?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The letters indicate the control input and load output types. DD means DC input controls a DC load; DA means DC input (3–32VDC) controls an AC load (24–480VAC); AA means AC input (70–280VAC) controls an AC load. Choose the configuration that matches your controller output and your load type.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need to use the included heat sink with the solid state relay?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — especially at higher current ratings (40A and above). Solid state relays generate heat proportional to load current. The included aluminum heat sink dissipates this heat and helps maintain safe operating temperatures, prolonging the relay's service life and ensuring reliable performance.\"}}, {\"@type\": \"Question\", \"name\": \"How do I select the right current rating for my application?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Divide your equipment's power (watts) by the supply voltage to get the operating current. Then divide that by the load coefficient — 0.6 for resistive loads (e.g. heaters), or 0.3 for inductive loads (e.g. motors). Choose the next standard SSR size above your calculated value (10A, 25A, 40A, 60A, 80A, 100A, or 120A) for a safe and reliable installation.\"}}, {\"@type\": \"Question\", \"name\": \"Is this solid state relay compatible with standard DIN rail panels?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This SSR is designed with a standard DIN rail mounting clip, making it quick and easy to install in any standard electrical enclosure or DIN rail panel without additional hardware.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Tools \u0026 Hardware\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/collections\/tools-hardware\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Din Rail Solid State Relay 10A–120A DD DA AA with Heat Sink\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/products\/din-rail-solid-state-relay-10a-120a-dd-da-aa-with-heat-sink\"}]}\u003c\/script\u003e","brand":"Vue","offers":[{"title":"DC Control AC \/ 10A","offer_id":48743812956352,"sku":"14:771#DC Control AC;5:201441335#10A","price":16.99,"currency_code":"USD","in_stock":true},{"title":"DC Control AC \/ 80A","offer_id":48743812989120,"sku":"14:771#DC Control AC;5:203372077#80A","price":16.99,"currency_code":"USD","in_stock":true},{"title":"DC Control AC \/ 60A","offer_id":48743813021888,"sku":"14:771#DC Control AC;5:200008314#60A","price":16.99,"currency_code":"USD","in_stock":true},{"title":"DC Control AC \/ 40A","offer_id":48743813054656,"sku":"14:771#DC Control AC;5:202516822#40A","price":16.99,"currency_code":"USD","in_stock":true},{"title":"DC Control AC \/ 25A","offer_id":48743813087424,"sku":"14:771#DC Control AC;5:202516811#25A","price":16.99,"currency_code":"USD","in_stock":true},{"title":"DC Control DC \/ 25A","offer_id":48743813120192,"sku":"14:350850#DC Control DC;5:202516811#25A","price":16.99,"currency_code":"USD","in_stock":true},{"title":"DC Control DC \/ 10A","offer_id":48743813152960,"sku":"14:350850#DC Control DC;5:201441335#10A","price":16.99,"currency_code":"USD","in_stock":true},{"title":"DC Control AC \/ 120A","offer_id":48743813185728,"sku":"14:771#DC Control AC;5:200007086#120A","price":16.99,"currency_code":"USD","in_stock":true},{"title":"DC Control AC \/ 100A","offer_id":48743813218496,"sku":"14:771#DC Control AC;5:202673817#100A","price":16.99,"currency_code":"USD","in_stock":true},{"title":"DC Control DC \/ 100A","offer_id":48743813251264,"sku":"14:350850#DC Control DC;5:202673817#100A","price":16.99,"currency_code":"USD","in_stock":true},{"title":"DC Control DC \/ 80A","offer_id":48743813284032,"sku":"14:350850#DC Control DC;5:203372077#80A","price":16.99,"currency_code":"USD","in_stock":true},{"title":"DC Control DC \/ 60A","offer_id":48743813316800,"sku":"14:350850#DC Control DC;5:200008314#60A","price":16.99,"currency_code":"USD","in_stock":true},{"title":"DC Control DC \/ 40A","offer_id":48743813349568,"sku":"14:350850#DC Control DC;5:202516822#40A","price":16.99,"currency_code":"USD","in_stock":true},{"title":"AC Control AC \/ 40A","offer_id":48743813382336,"sku":"14:173#AC Control AC;5:202516822#40A","price":16.99,"currency_code":"USD","in_stock":true},{"title":"AC Control AC \/ 25A","offer_id":48743813415104,"sku":"14:173#AC Control AC;5:202516811#25A","price":16.99,"currency_code":"USD","in_stock":true},{"title":"AC Control AC \/ 10A","offer_id":48743813447872,"sku":"14:173#AC Control AC;5:201441335#10A","price":16.99,"currency_code":"USD","in_stock":true},{"title":"DC Control DC \/ 120A","offer_id":48743813480640,"sku":"14:350850#DC Control DC;5:200007086#120A","price":16.99,"currency_code":"USD","in_stock":true},{"title":"AC Control AC \/ 120A","offer_id":48743813513408,"sku":"14:173#AC Control AC;5:200007086#120A","price":16.99,"currency_code":"USD","in_stock":true},{"title":"AC Control AC \/ 100A","offer_id":48743813546176,"sku":"14:173#AC Control AC;5:202673817#100A","price":16.99,"currency_code":"USD","in_stock":true},{"title":"AC Control AC \/ 80A","offer_id":48743813578944,"sku":"14:173#AC Control AC;5:203372077#80A","price":16.99,"currency_code":"USD","in_stock":true},{"title":"AC Control AC \/ 60A","offer_id":48743813611712,"sku":"14:173#AC Control AC;5:200008314#60A","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9338\/7968\/files\/Se4cc6946e85f4772995e6ed92516a99ax.webp?v=1786150234","url":"https:\/\/vueselect.com\/products\/din-rail-solid-state-relay-10a-120a-dd-da-aa-with-heat-sink","provider":"Vue","version":"1.0","type":"link"}