{"product_id":"4-pin-12v-heavy-duty-100a-relay","title":"4 Pin 12v Heavy Duty 100a Relay","description":"\u003ch2\u003e📝 4 Pin 12v Heavy Duty 100A Relay\u003c\/h2\u003e\n\u003cp\u003eThis 12v heavy duty 100A relay is designed for high-current switching in campervan, caravan, automotive, and off-grid electrical systems. Built in Germany for reliability, it’s ideal for controlling power-hungry circuits like battery feeds, inverters, lighting systems, and auxiliary loads.\u003c\/p\u003e\n\u003cp\u003eFeaturing a \u003cstrong\u003e4-pin normally open configuration\u003c\/strong\u003e, this relay uses \u003cstrong\u003eM6 threaded posts for high-current connections\u003c\/strong\u003e and \u003cstrong\u003e6.3mm spade terminals for the trigger circuit\u003c\/strong\u003e, ensuring strong, stable connections where it matters most.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e⭐ Essential Benefits\u003c\/h3\u003e\n\u003cp\u003e• \u003cstrong\u003e100A switching capacity\u003c\/strong\u003e – ideal for high-current 12v applications.\u003cbr\u003e• \u003cstrong\u003eHeavy duty construction\u003c\/strong\u003e – designed for reliable performance under load.\u003cbr\u003e• \u003cstrong\u003eM6 power terminals\u003c\/strong\u003e – secure connection for large cables and high current flow.\u003cbr\u003e• \u003cstrong\u003eStandard 4-pin layout\u003c\/strong\u003e – simple integration into common relay circuits.\u003cbr\u003e• \u003cstrong\u003eMade in Germany\u003c\/strong\u003e – trusted manufacturing quality and durability.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e⚙️ Functionality\u003c\/h3\u003e\n\u003cp\u003eThis relay operates as a \u003cstrong\u003enormally open (NO) switch\u003c\/strong\u003e, meaning power flows only when the relay is activated.\u003c\/p\u003e\n\u003cp\u003eWhen 12v is applied across terminals \u003cstrong\u003e85 and 86\u003c\/strong\u003e, the internal coil energises, closing the circuit between \u003cstrong\u003e30 and 87\u003c\/strong\u003e. This allows high-current devices to be safely controlled by a low-current trigger circuit such as a switch, ignition source, or control module.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🔌 Compatibility\u003c\/h3\u003e\n\u003cp\u003e• Suitable for 12v DC systems.\u003cbr\u003e• Ideal for campervans, caravans, 4WDs, and off-grid setups.\u003cbr\u003e• Works with battery systems, inverters, lighting, compressors, and auxiliary circuits.\u003cbr\u003e• Compatible with standard automotive relay wiring setups.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🧰 Installation Difficulty\u003c\/h3\u003e\n\u003cp\u003e🟡 \u003cstrong\u003e3\/5 (Moderate)\u003c\/strong\u003e\u003cbr\u003eRequires correct wiring of both high-current and trigger circuits. Ensure proper cable sizing and secure mounting.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🔍 Features\u003c\/h3\u003e\n\u003cp\u003e• 4 pin relay (normally open).\u003cbr\u003e• 2 × M6 threaded terminals (pins 30 \u0026amp; 87).\u003cbr\u003e• 2 × 6.3mm male spade terminals (pins 85 \u0026amp; 86).\u003cbr\u003e• Heavy duty 100A rating.\u003cbr\u003e• Compact cube-style housing.\u003cbr\u003e• Black casing.\u003cbr\u003e• Manufactured in Germany.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e📊 Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Type\u003c\/td\u003e\n\u003ctd\u003eNormally Open (NO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e12v\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e100A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Configuration\u003c\/td\u003e\n\u003ctd\u003e4 Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type (Power)\u003c\/td\u003e\n\u003ctd\u003eM6 threaded posts (30, 87)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type (Trigger)\u003c\/td\u003e\n\u003ctd\u003e6.3mm spade (85, 86)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Size\u003c\/td\u003e\n\u003ctd\u003eApprox 45mm × 45mm × 45mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Height\u003c\/td\u003e\n\u003ctd\u003eApprox 77mm (including mount and terminals)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Manufacture\u003c\/td\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 What’s Included\u003c\/h3\u003e\n\u003cp\u003e• 1 × 4 pin 12v 100A heavy duty relay\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🙌 Why Choose This Product?\u003c\/h3\u003e\n\u003cp\u003eThis relay is built for serious current handling, making it ideal for demanding 12v systems where reliability matters. The combination of high current capacity and solid terminal connections makes it a dependable choice for both DIY builds and professional installs.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🚀 Our Promise\u003c\/h3\u003e\n\u003cp\u003eOrder today for same-day dispatch and explore our full range of off-grid electrical accessories.\u003c\/p\u003e","brand":"Campervan Builders","offers":[{"title":"Default Title","offer_id":51125076033842,"sku":"CVB-RELAY-HD-100A","price":52.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/7692\/6258\/files\/4-pin-12v-heavy-duty-100a-relay-caravan-rv-campervan.webp?v=1778018930","url":"https:\/\/campervanbuilders.com.au\/products\/4-pin-12v-heavy-duty-100a-relay","provider":"Campervan Builders","version":"1.0","type":"link"}