{"product_id":"sla-12vdc-4pin-30a-power-relay","title":"SLA 12VDC 4Pin 30A Power Relay","description":"\u003cmeta name=\"description\" content=\"Buy SLA 12VDC 4Pin 30A Power Relay 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\u003eSLA 12VDC 4-Pin 30A Power Relay\u003c\/h1\u003e\n\u003cp\u003eHigh-current SPST power relay rated at 30A with 12V DC coil voltage - ideal for switching heavy loads in automotive, industrial, and high-power DIY projects. Available at The Tech Depot, Bengaluru with fast shipping and full warranty.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Type\u003c\/td\u003e\n\u003ctd\u003ePower Relay (SPST - Normally Open)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Voltage\u003c\/td\u003e\n\u003ctd\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Rating\u003c\/td\u003e\n\u003ctd\u003e30A @ 250V AC \/ 30V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Configuration\u003c\/td\u003e\n\u003ctd\u003e4-Pin (2 Coil + 1 COM + 1 NO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Form\u003c\/td\u003e\n\u003ctd\u003e1 Form A (1A \/ SPST-NO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Resistance\u003c\/td\u003e\n\u003ctd\u003e~400Ohm (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Power Consumption\u003c\/td\u003e\n\u003ctd\u003e~0.36W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePick-Up Voltage\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 9V DC (75% of rated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelease Voltage\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;= 1.2V DC (10% of rated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Switching Voltage\u003c\/td\u003e\n\u003ctd\u003e250V AC \/ 30V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Switching Current\u003c\/td\u003e\n\u003ctd\u003e30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Material\u003c\/td\u003e\n\u003ctd\u003eSilver Alloy (AgSnO2 or AgCdO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperate Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 15ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelease Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 10ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDielectric Strength\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;= 1500V AC (coil to contact)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;= 100MOhm @ 500V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Life\u003c\/td\u003e\n\u003ctd\u003e10,000,000 operations (no load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Life\u003c\/td\u003e\n\u003ctd\u003e100,000 operations (at rated load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 degreesC to +85 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Style\u003c\/td\u003e\n\u003ctd\u003ePCB Through-Hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (approx.)\u003c\/td\u003e\n\u003ctd\u003e27.5 x 20.5 x 21mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (approx.)\u003c\/td\u003e\n\u003ctd\u003e~20g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSLA (Songle or equivalent)\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\u003e30A High-Current Switching:\u003c\/strong\u003e Handles heavy resistive and inductive loads including motors, heaters, pumps, and high-power lighting circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12V DC Coil:\u003c\/strong\u003e Directly compatible with 12V automotive systems, battery-powered setups, Arduino (via driver transistor), and standard 12V power supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Pin SPST-NO Configuration:\u003c\/strong\u003e Simple normally-open single-pole design - only 4 pins for straightforward wiring and PCB layout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Coil Power Consumption:\u003c\/strong\u003e Approximately 0.36W coil draw makes it efficient and easy to drive with a small transistor or MOSFET.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilver Alloy Contacts:\u003c\/strong\u003e High-quality contact material ensures low contact resistance, minimal arcing, and long electrical life at rated loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Small relay footprint (~27.5 x 20.5mm) fits easily on custom PCBs, relay modules, and tight enclosure spaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Temperature Range:\u003c\/strong\u003e Operates reliably from -40 degreesC to +85 degreesC, suitable for automotive under-hood, outdoor, and industrial environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Dielectric Strength:\u003c\/strong\u003e 1500V AC isolation between coil and contacts ensures safe separation of control and load circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent Mechanical Durability:\u003c\/strong\u003e Rated for 10 million mechanical cycles, ensuring years of reliable service in switching applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePCB Through-Hole Mount:\u003c\/strong\u003e Standard pin spacing for easy soldering onto single-sided or double-sided PCBs without special tooling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePin Configuration (4-Pin Layout)\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\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\u003ePin 1\u003c\/td\u003e\n\u003ctd\u003eCoil (+)\u003c\/td\u003e\n\u003ctd\u003eConnect to +12V DC through a switching transistor or directly from a control signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin 2\u003c\/td\u003e\n\u003ctd\u003eCoil ()\u003c\/td\u003e\n\u003ctd\u003eConnect to ground (GND) of the 12V supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin 3\u003c\/td\u003e\n\u003ctd\u003eCommon (COM)\u003c\/td\u003e\n\u003ctd\u003eCommon terminal - connect to the load power source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin 4\u003c\/td\u003e\n\u003ctd\u003eNormally Open (NO)\u003c\/td\u003e\n\u003ctd\u003eConnects\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 SLA 12VDC 4Pin 30A Power Relay Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eSLA 12VDC 4Pin 30A Power Relay\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\u003eSLA 12VDC 4Pin 30A Power Relay\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\u003eSLA 12VDC 4Pin 30A Power Relay\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":48746574151937,"sku":"TTD-18032","price":180.2,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/c86bf5a2d171a0e297bc5d7223c8e946.jpg?v=1778107886","url":"https:\/\/techdepot.in\/products\/sla-12vdc-4pin-30a-power-relay","provider":"Tech Depot India","version":"1.0","type":"link"}