{"product_id":"ssr-40da-solid-state-relay-module-3-32vdc-24-380vac-40a","title":"SSR-40DA Solid State Relay Module 3-32VDC\/24-380VAC 40A","description":"\u003cmeta name=\"description\" content=\"Buy SSR40DA Solid State Relay Module 332VDC24380VAC 40A online in India at best price from The Tech Depot, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n```html\n\u003ch1\u003eSSR-40DA Solid State Relay Module 3-32VDC\/24-380VAC 40A\u003c\/h1\u003e\n\n\u003cp\u003eHigh-performance SSR-40DA Solid State Relay rated at 40A for reliable, silent, and wear-free AC load switching. Accepts 3-32VDC control input to switch 24-380VAC loads - ideal for heater control, motor switching, lighting automation, and industrial process control. No moving parts means zero contact bounce, longer lifespan, and faster switching compared to mechanical relays. Available at The Tech Depot, Bengaluru - trusted by makers, engineers, and professionals across India. Fast shipping, 7-day warranty on manufacturing defects, and expert technical support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eSSR-40DA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Type\u003c\/td\u003e\n\u003ctd\u003eSolid State Relay (SSR) - DC to AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl (Input) Voltage\u003c\/td\u003e\n\u003ctd\u003e3-32VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad (Output) Voltage\u003c\/td\u003e\n\u003ctd\u003e24-380VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Load Current\u003c\/td\u003e\n\u003ctd\u003e40A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrigger Current\u003c\/td\u003e\n\u003ctd\u003e7.5mA typical (at 12VDC input)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eAC switching (zero-cross triggering)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Voltage Drop\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;=1.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;=2500VAC (input to output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Speed\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;=10ms (half cycle of load frequency)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeakage Current\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;=2mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20 degreesC to +80 degreesC (derate above 40 degreesC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLED Indicator\u003c\/td\u003e\n\u003ctd\u003eYes - red LED for input status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003ePanel mount with screw terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeatsink Compatibility\u003c\/td\u003e\n\u003ctd\u003eStandard SSR heatsink mounting (recommended for loads above 10A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Material\u003c\/td\u003e\n\u003ctd\u003eFlame-retardant plastic housing with metal base plate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (approx.)\u003c\/td\u003e\n\u003ctd\u003e58 x 45 x 32 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (approx.)\u003c\/td\u003e\n\u003ctd\u003e75g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCategory\u003c\/td\u003e\n\u003ctd\u003eRelay Module \/ Power Switching Component\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal \/ Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003eRs.298.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e40A High-Current Switching:\u003c\/strong\u003e Handles heavy AC loads including heaters, motors, pumps, and high-power lighting circuits up to 40 amps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC-to-AC Control:\u003c\/strong\u003e 3-32VDC input makes it directly compatible with Arduino (5V), ESP32 (3.3V), Raspberry Pi, PLC outputs, and other microcontrollers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero-Cross Triggering:\u003c\/strong\u003e Switches the AC load at the zero-crossing point of the waveform, minimizing electrical noise, EMI, and inrush current spikes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Moving Parts:\u003c\/strong\u003e Solid-state design eliminates mechanical wear, contact arcing, and audible clicking - far superior lifespan compared to electromechanical relays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Speed Switching:\u003c\/strong\u003e Responds within half a cycle (~10ms at 50Hz), enabling precise PWM-based power control and fast on\/off cycling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical Isolation:\u003c\/strong\u003e Input and output are optically isolated at \u0026gt;=2500VAC, ensuring complete electrical separation between your control circuit and mains power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in LED Indicator:\u003c\/strong\u003e Red LED on the input side provides instant visual confirmation of relay activation status.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; The Tech Depot:\u003c\/strong\u003e Industrial-grade plastic housing with metal base plate for efficient heat dissipation and easy heatsink mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Terminal Connections:\u003c\/strong\u003e Secure, tool-friendly screw terminals for both input and output - no soldering required for installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilent Operation:\u003c\/strong\u003e Perfect for noise-sensitive environments like home automation, laboratory equipment, and audio\/studio setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose the SSR-40DA from The Tech Depot?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e100% authentic SSR-40DA sourced directly from trusted and authorized suppliers\u003c\/li\u003e\n\u003cli\u003eTested and verified for correct switching operation before dispatch\u003c\/li\u003e\n\u003cli\u003e1-5 day shipping, 7-8 day delivery from our Bengaluru warehouse to most locations across India\u003c\/li\u003e\n\u003cli\u003eExpert technical support included - get help with wiring, heatsink selection, and load calculations\u003c\/li\u003e\n\u003cli\u003eCompetitively priced at just Rs.298 for a genuine 40A-rated solid state relay\u003c\/li\u003e\n\u003cli\u003eIdeal companion for Arduino, ESP32, Raspberry Pi, PLC, and industrial control projects\u003c\/li\u003e\n\u003cli\u003eTrusted by thousands of makers, engineers, and professionals across India\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eUnderstanding the SSR-40DA Solid State Relay\u003c\/h2\u003e\n\u003cp\u003eThe SSR-40\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy SSR-40DA Solid State Relay Module 3-32VDC\/24-380VAC 40A Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eSSR-40DA Solid State Relay Module 3-32VDC\/24-380VAC 40A\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eSSR-40DA Solid State Relay Module 3-32VDC\/24-380VAC 40A\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003eSSR-40DA Solid State Relay Module 3-32VDC\/24-380VAC 40A\u003c\/strong\u003e at the best price in India? The Tech Depot offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48743673168129,"sku":"TTD-8828","price":324.36,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/441959b8ca276b6dd2a1145acc802a7b.jpg?v=1778061547","url":"https:\/\/techdepot.in\/products\/ssr-40da-solid-state-relay-module-3-32vdc-24-380vac-40a","provider":"Tech Depot India","version":"1.0","type":"link"}