{"product_id":"5v-dual-channel-relay-module-with-optocoupler","title":"5V Dual Channel Relay Module with Optocoupler","description":"\u003cmeta name=\"description\" content=\"Buy 5V Dual Channel 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```html\n\u003ch1\u003e5V Dual Channel Relay Module with Optocoupler\u003c\/h1\u003e\n\n\u003cp\u003eControl two high-voltage AC\/DC loads independently from your Arduino, ESP32, Raspberry Pi, or any microcontroller with this reliable 5V Dual Channel Relay Module featuring built-in optocoupler isolation. Ideal for home automation, IoT switching, and industrial control projects. Available now from The Engineer Store, Bengaluru. Fast shipping, 7-day warranty on manufacturing defects, expert technical support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003e2-Channel Relay Module with Optocoupler Isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage (Coil)\u003c\/td\u003e\n\u003ctd\u003e5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrigger Level\u003c\/td\u003e\n\u003ctd\u003eActive Low (Low-level trigger)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e2 (Independent Control)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Type\u003c\/td\u003e\n\u003ctd\u003eSPDT (Single Pole Double Throw) - NO, NC, COM per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Rating (AC)\u003c\/td\u003e\n\u003ctd\u003e10A @ 250V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Rating (DC)\u003c\/td\u003e\n\u003ctd\u003e10A @ 30V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptocoupler Isolation\u003c\/td\u003e\n\u003ctd\u003eYes - protects microcontroller from relay back-EMF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndicator LEDs\u003c\/td\u003e\n\u003ctd\u003e2 x Red LEDs (one per channel, shows relay ON status)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Pins\u003c\/td\u003e\n\u003ctd\u003eVCC, GND, IN1, IN2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Coil Current\u003c\/td\u003e\n\u003ctd\u003e~70mA per channel (140mA total when both active)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Life\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;=100,000 operations per relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-25 degreesC to +70 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Dimensions (Approx.)\u003c\/td\u003e\n\u003ctd\u003e51mm x 38mm x 19mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e4 x M3 screw holes for secure panel\/chassis mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Approx.)\u003c\/td\u003e\n\u003ctd\u003e30g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eArduino Uno\/Mega\/Nano, ESP8266, ESP32, Raspberry Pi, STM32, PIC, 8051, and all 5V\/3.3V logic MCUs\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\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Independent Channels:\u003c\/strong\u003e Control two separate appliances, motors, lights, or loads simultaneously from a single module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptocoupler Isolation:\u003c\/strong\u003e Built-in optical isolation between the microcontroller signal side and the relay coil side prevents voltage spikes and back-EMF from damaging your development board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Current Switching:\u003c\/strong\u003e Each relay handles up to 10A @ 250V AC or 10A @ 30V DC - powerful enough for household appliances, solenoid valves, water pumps, and more.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSPDT Relay Contacts:\u003c\/strong\u003e Each channel provides Normally Open (NO), Normally Closed (NC), and Common (COM) terminals, giving you full flexibility for both ON-switching and OFF-switching logic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive Low Trigger:\u003c\/strong\u003e Relays activate when the input pin is pulled LOW, making it compatible with most microcontroller GPIO configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Status Indicators:\u003c\/strong\u003e Individual red LEDs on each channel provide instant visual confirmation of relay activation - invaluable during debugging and testing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Terminals for Load Wiring:\u003c\/strong\u003e Secure, robust screw terminal blocks for connecting high-voltage AC\/DC wires - no soldering needed on the output side.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Pin Header Input:\u003c\/strong\u003e Easy plug-in connection to breadboards or direct jumper wire hookup to any microcontroller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Mountable:\u003c\/strong\u003e Four M3 mounting holes allow secure installation inside enclosures, control panels, or project boxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide MCU Compatibility:\u003c\/strong\u003e Works seamlessly with Arduino, ESP32, ESP8266, Raspberry Pi GPIO, STM32, PIC, and virtually any 5V-logic microcontroller.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose This?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e100% authentic relay module sourced from trusted suppliers - no counterfeit components\u003c\/li\u003e\n\u003cli\u003eOptocoupler protection ensures your Arduino\/ESP32\/Raspberry Pi stays safe from high-voltage transients\u003c\/li\u003e\n\u003cli\u003eRated for 100,000+ switching cycles per relay for long-term reliability\u003c\/li\u003e\n\u003cli\u003ePlug-and-play with standard jumper wires - get your project running in minutes\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 - we help you wire it, code it, and troubleshoot it\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePin Configuration\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVCC\u003c\/td\u003e\n\u003ctd\u003e5V DC power supply input (powers relay coils and optocouplers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGround connection (common with micro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\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 5V Dual Channel Relay Module with Optocoupler Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003e5V Dual Channel 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\u003e5V Dual Channel 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\u003e5V Dual Channel 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":43874183151779,"sku":"TES-EV100444383","price":81.85,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/sku_265936_1-314x252.jpg?v=1704718906","url":"https:\/\/www.theengineerstore.in\/zh-hant\/products\/5v-dual-channel-relay-module-with-optocoupler","provider":"The Engineer Store","version":"1.0","type":"link"}