{"product_id":"ssr-41fdd-41fda-solid-state-relay-module-3-32vdc-6a-din-rail","title":"SSR-41FDD\/41FDA Solid State Relay 3-32VDC 6A DIN Rail Module","description":"\n\u003ch2\u003eSSR-41FDD \/ 41FDA Slim Solid State Relay Module — DC to DC, 6A, DIN Rail Mount\u003c\/h2\u003e\n\u003cp\u003eThe SSR-41FDD and SSR-41FDA are compact, slim-profile solid state relay (SSR) modules designed for reliable, non-contact DC switching in industrial, automation, and electronics projects. With a wide control voltage range of 3–32VDC and a 6A load capacity, these modules are built for versatile, space-saving installation on standard DIN rails.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e Control voltage 3–32VDC; load voltage 5–60VDC (DC version) or 24–250VAC (AC version) for broad application compatibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Load Capacity:\u003c\/strong\u003e 6A load handling ensures stable, dependable control of high-power circuits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNon-Contact Switching:\u003c\/strong\u003e Solid state technology eliminates mechanical wear for extended service life and silent operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlim, Compact Design:\u003c\/strong\u003e Space-efficient form factor with integrated DIN rail mounting for clean, professional panel installations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Signal Relay:\u003c\/strong\u003e DC-to-DC and DC-to-AC variants available, suitable for PLCs, microcontrollers, and automation control systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Engineered for high-cycle, continuous-duty applications where mechanical relays would degrade quickly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSSR-41FDD (DC-DC) \/ SSR-41FDA (DC-AC)\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 (DC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5–60VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoad Voltage (AC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24–250VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoad Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitching Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-contact (Solid State)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIN Rail\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × Relay Module\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × SSR-41FDD or SSR-41FDA Solid State Relay Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIndustrial automation control panels\u003c\/li\u003e\n  \u003cli\u003ePLC and microcontroller (Arduino, Raspberry Pi) projects\u003c\/li\u003e\n  \u003cli\u003eHVAC and temperature control systems\u003c\/li\u003e\n  \u003cli\u003eMotor and lighting control circuits\u003c\/li\u003e\n  \u003cli\u003eDIN rail enclosure builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Slight dimensional differences may occur due to manual measurement. Colors may vary slightly from images depending on your display settings.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/25-in-1-precision-magnetic-screwdriver-set-pro-repair-tool-kit\"\u003e25-in-1 Precision Magnetic Screwdriver Set | Pro Repair Kit\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/waterproof-cable-gland-set-pg7-pg9-nylon-connectors-10-pack\"\u003e10-Pack Waterproof Cable Glands PG7 PG9 Nylon Connectors\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-pack-rubber-strain-relief-cord-boot-protector-sleeves-4-6-5-2-6mm\"\u003e10-Pack Rubber Strain Relief Cord Boot Protectors 4.6–6mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between the SSR-41FDD and SSR-41FDA solid state relay modules?\u003c\/h4\u003e\n\u003cp\u003eA: The SSR-41FDD is a DC-to-DC relay module, meaning both the control signal and the load output are DC (control: 3–32VDC, load: 5–60VDC). The SSR-41FDA is a DC-to-AC variant where the control input is DC (3–32VDC) but the output switches an AC load (24–250VAC). Choose the model that matches your load type.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this solid state relay module be used with an Arduino or Raspberry Pi?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The 3–32VDC control voltage range makes it fully compatible with 3.3V and 5V microcontrollers such as Arduino and Raspberry Pi. Simply connect the control input to a GPIO pin and use the relay to switch higher-voltage DC or AC loads safely.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I mount the SSR-41FDD\/41FDA relay on a DIN rail?\u003c\/h4\u003e\n\u003cp\u003eA: The module features an integrated DIN rail clip that snaps directly onto a standard 35mm DIN rail (EN 50022). No additional hardware is required. This makes it ideal for installation inside industrial control panels and enclosures.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this relay truly non-contact and what are the advantages?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — solid state relays use semiconductor switching (typically a MOSFET or TRIAC) instead of a physical moving contact. This means no mechanical wear, silent operation, faster switching speeds, and a significantly longer operational lifespan compared to traditional electromechanical relays.\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 SSR-41FDD and SSR-41FDA solid state relay modules?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The SSR-41FDD is a DC-to-DC relay module, meaning both the control signal and the load output are DC (control: 3–32VDC, load: 5–60VDC). The SSR-41FDA is a DC-to-AC variant where the control input is DC (3–32VDC) but the output switches an AC load (24–250VAC). Choose the model that matches your load type.\"}}, {\"@type\": \"Question\", \"name\": \"Can this solid state relay module be used with an Arduino or Raspberry Pi?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The 3–32VDC control voltage range makes it fully compatible with 3.3V and 5V microcontrollers such as Arduino and Raspberry Pi. Simply connect the control input to a GPIO pin and use the relay to switch higher-voltage DC or AC loads safely.\"}}, {\"@type\": \"Question\", \"name\": \"How do I mount the SSR-41FDD\/41FDA relay on a DIN rail?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The module features an integrated DIN rail clip that snaps directly onto a standard 35mm DIN rail (EN 50022). No additional hardware is required. 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