{"product_id":"1-channel-12v-relay-module-with-optocoupler","title":"1 Channel 12V Relay Module with Optocoupler","description":"\u003cmeta name=\"description\" content=\"Buy 1 Channel 12V Relay Module with Optocoupler online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\u003ch1\u003e1 Channel 12V Relay Module with Optocoupler\u003c\/h1\u003e\n\n\u003cp\u003eQuality electronics from The Engineer Store, Bengaluru. Fast shipping, 7-day warranty on manufacturing defects, expert support.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cp\u003eThe 1 Channel 12V Relay Module with Optocoupler is a versatile switching solution designed for reliable control of high-power circuits from low-power microcontroller signals. The integrated optocoupler provides electrical isolation, protecting your control circuits from voltage spikes and ensuring safe operation in demanding applications.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle Channel Design\u003c\/strong\u003e - Compact and easy to integrate into projects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12V Relay\u003c\/strong\u003e - Rated for switching AC\/DC loads up to 10A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptocoupler Isolation\u003c\/strong\u003e - Protects microcontroller from back EMF and transient spikes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Compatibility\u003c\/strong\u003e - Works with Arduino, Raspberry Pi, PLC, and other microcontrollers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Indicator\u003c\/strong\u003e - Visual feedback for relay status\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Trigger Current\u003c\/strong\u003e - Minimal power consumption from control circuit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eParameter\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectronics Component\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelay Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContact Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10A @ 250V AC \/ 10A @ 30V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrigger Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V (TTL\/CMOS compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrigger Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~15-20mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOptocoupler\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes (electrical isolation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoil Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~400Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitching Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;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-10 degreesC to +60 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupport\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eWhy Choose This Product?\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e - Sourced from trusted suppliers with verification\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFast Shipping\u003c\/strong\u003e - 1-5 days from Bengaluru warehouse, delivered in 7-8 days\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Technical assistance available round-the-clock\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial Grade\u003c\/strong\u003e - Built for reliability and durability\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCost Effective\u003c\/strong\u003e - Excellent value for money\u003c\/p\u003e\n\n\u003ch2\u003eApplications \u0026amp; Project Ideas\u003c\/h2\u003e\n\n\u003ch3\u003eDIY Electronics \u0026amp; Hobbyist Projects\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHome automation systems (lights, fans, pumps)\u003c\/li\u003e\n\u003cli\u003eWeather station data logging with device control\u003c\/li\u003e\n\u003cli\u003eSmart garden irrigation systems\u003c\/li\u003e\n\u003cli\u003eIoT-based appliance control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProfessional \u0026amp; Industrial Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBuilding automation and HVAC control\u003c\/li\u003e\n\u003cli\u003eIndustrial equipment switching\u003c\/li\u003e\n\u003cli\u003ePower distribution systems\u003c\/li\u003e\n\u003cli\u003eSafety interlocking circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLearning \u0026amp; Education\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMicrocontroller interfacing projects\u003c\/li\u003e\n\u003cli\u003eElectronics and embedded systems courses\u003c\/li\u003e\n\u003cli\u003eRobotics and automation labs\u003c\/li\u003e\n\u003cli\u003eElectrical engineering experiments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOther Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVehicle control systems\u003c\/li\u003e\n\u003cli\u003eMedical equipment interfaces\u003c\/li\u003e\n\u003cli\u003eSecurity and alarm systems\u003c\/li\u003e\n\u003cli\u003eEnergy monitoring and management\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's Included in the Box\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e1x Single Channel 12V Relay Module with Optocoupler\u003c\/li\u003e\n\u003cli\u003eQuick start guide\u003c\/li\u003e\n\u003cli\u003ePin configuration diagram\u003c\/li\u003e\n\u003cli\u003eTechnical documentation\u003c\/li\u003e\n\u003cli\u003eSupport contact information\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect Control Signal\u003c\/strong\u003e - Apply 5V logic signal to the input pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply\u003c\/strong\u003e - Connect 12V DC to the relay coil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad Connection\u003c\/strong\u003e - Connect your AC\/DC load to the relay contacts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eObserve LED\u003c\/strong\u003e - Status LED indicates relay activation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitching\u003c\/strong\u003e - Relay switches instantaneously when signal is applied\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTechnical Advantages\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptocoupler Protection\u003c\/strong\u003e - Isolates control circuit from high-voltage switching noise\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Response\u003c\/strong\u003e - Sub-10ms switching time for time-critical applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Power Consumption\u003c\/strong\u003e - Minimal current draw from microcontroller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Form Factor\u003c\/strong\u003e - Easy integration into tight spaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Contacts\u003c\/strong\u003e - Silver alloy contacts for extended lifespan\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eIs this 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, all products are sourced from authorized distributors with authentication verification and quality testing before dispatch.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat warranty is provided?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e7-day warranty on manufacturing defects covering all manufacturing defects. Extended warranty options available upon request.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eHow fast is shipping?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eStandard shipping: 7-8 days to most locations in India from our Bengaluru warehouse. Express options available at checkout.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eCan I use this with Arduino\/Raspberry Pi?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes! This module is fully compatible with Arduino, Raspberry Pi, and most microcontroller platforms. Requires 5V logic signal input.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat's the maximum load I can switch?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe relay can handle up to 10A at 250V AC or 30V DC. Always verify your load specifications match these ratings.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eDo you provide technical support?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes! Our expert team provides 24\/7 technical support via email and WhatsApp. We help with wiring, code integration, and troubleshooting.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat's your return policy?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e7-day returns on defective or damaged items with full refund or replacement at no extra cost. Original packaging required.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eAre bulk discounts available?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes! Wholesale pricing is available on orders of 10 units or more. Contact our sales team for custom quotes.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eDo I need a separate power supply for the relay?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, the relay requires a 12V DC power supply separate from the microcontroller's 5V logic signal. This is included in the module design.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat's the difference between this and non-isolated relay modules?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe optocoupler provides electrical\u003c\/p\u003e\u003c\/details\u003e\n\u003ch2\u003eBuy 1 Channel 12V Relay Module with Optocoupler Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003e1 Channel 12V Relay Module with Optocoupler\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\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\u003e1 Channel 12V Relay Module with Optocoupler\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\u003e1 Channel 12V Relay Module with Optocoupler\u003c\/strong\u003e at the best price in India? The Engineer Store 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":"My Store","offers":[{"title":"Default Title","offer_id":43774075732131,"sku":"TES-EV103539","price":55.62,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/32_384b9f6f-7dd0-41b3-bc06-af8b27f68321.png?v=1701076273","url":"https:\/\/www.theengineerstore.in\/zh-hans\/products\/1-channel-12v-relay-module-with-optocoupler","provider":"The Engineer Store","version":"1.0","type":"link"}