{"product_id":"irhapsody-12v-dc-5-pin-spdt-automotive-relay-kit-25-pack-40a-relays-for-lights-motors","title":"iRhapsody 12V DC 5‑Pin SPDT Automotive Relay Kit — 25-Pack 40A Relays for Lights \u0026 Motors","description":"\u003cp\u003e\u003cstrong\u003eiRhapsody's 12V DC 5-pin SPDT relay kit supplies 25 rugged automotive relays rated up to 40A for reliable switching of lights, motors, and accessories in 12‑volt systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis bulk kit is built for workshops, installers, and DIYers who need a dependable set of standard 5‑pin relays for cars, boats, ATVs, and other 12V devices. Each relay uses a nominal 12V coil (1.8W, 80 Ω) and offers fast operate\/release times with long mechanical and electrical lifespans, making it suitable for frequent switching tasks such as power trim and tilt, lighting circuits, and audio or security installations.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this relay handle high-current automotive loads?\u003c\/h3\u003e\n\u003cp\u003eThe relays are specified for high switching capacity so they can control motors and heavy lighting without excessive voltage drop or heat. Contact rating is NO 40A at 14V DC with a max switching power of 560W, and contact resistance is low to keep circuit losses minimal.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMax switching current: 40A; max switching power: 560W\u003c\/li\u003e\n  \u003cli\u003eContact resistance: ≤100 mΩ (measured at 6VDC, 1A)\u003c\/li\u003e\n  \u003cli\u003eDielectric strength: 500VAC between open contacts\u003c\/li\u003e\n  \u003cli\u003eDesigned for continuous automotive use and repeated cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat electrical specs and switching behavior should I expect?\u003c\/h3\u003e\n\u003cp\u003eThese relays use a 12V DC coil that reliably operates within a typical automotive voltage window. They have short operate and release times and are rated for many thousands of cycles under normal conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNominal coil voltage: 12V DC; coil power: 1.8W; resistance: 80 Ω\u003c\/li\u003e\n  \u003cli\u003eMust operate: 6–8V DC; must release: 0.6–3.6V DC; max applied: 15.6V DC\u003c\/li\u003e\n  \u003cli\u003eOperate time ≈ 7 ms; release time ≈ 5 ms for quick switching\u003c\/li\u003e\n  \u003cli\u003eElectrical life: ~100,000 operations (at 30 ops\/minute)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these relays durable for harsh automotive environments?\u003c\/h3\u003e\n\u003cp\u003eThe iRhapsody relays are engineered to survive typical vibrations, shocks, and temperature ranges encountered in vehicle service. Insulation and resistance figures support stable operation across a range of conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOperating temperature: -30°C to +80°C\u003c\/li\u003e\n  \u003cli\u003eVibration resistance: 10–55Hz, 1.5mm amplitude; shock up to 10g in operation\u003c\/li\u003e\n  \u003cli\u003eInsulation resistance ≥100 MΩ at 500V DC; contact-to-coil dielectric 750VAC\u003c\/li\u003e\n  \u003cli\u003eMechanical life expectancy: up to 10,000,000 cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat wiring layout and applications do these 5-pin relays support?\u003c\/h3\u003e\n\u003cp\u003eThis is a standard SPDT (single pole, double throw) 5‑prong relay with the common automotive pin mapping, so it fits popular relay sockets and wiring harnesses. It's versatile for switching between normally open and normally closed outputs and is commonly used in lighting, trim\/tilt motors, audio, and security circuits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePin assignments: 30 = battery\/line, 85 = ground, 86 = coil trigger, 87 = NO output, 87a = NC output\u003c\/li\u003e\n  \u003cli\u003eCommon uses: headlights, LED drive circuits, car stereos, alarm systems, trim\/tilt motors\u003c\/li\u003e\n  \u003cli\u003eComes as a 25-piece pack suitable for stock and spare inventory\u003c\/li\u003e\n  \u003cli\u003eCompatible with standard 5‑pin relay sockets and inline fuse protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This 25× relay set is ideal for professional auto electricians, marine technicians, garage workshops, and hobbyists who want a ready supply of robust 12V SPDT relays. Choose this kit when you need consistent performance across repeated cycles, simple pin compatibility with common harnesses, and a convenient bulk supply for maintenance, retrofit, or custom wiring projects.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will these relays work with a 12V car battery?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They use a 12V nominal coil and operate reliably across typical automotive voltage ranges up to 15.6V.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use these for switching headlights or motors?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Rated up to 40A and 560W switching power, they're suitable for lights, motors, and similar 12V loads.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"iRhapsody","offers":[{"title":"Default Title","offer_id":48086297116830,"sku":"B07NZY1GSZ","price":49.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/irhapsody-front-packaging-25-relays.jpg?v=1785894280","url":"https:\/\/northtrailauto.ca\/products\/irhapsody-12v-dc-5-pin-spdt-automotive-relay-kit-25-pack-40a-relays-for-lights-motors","provider":"North Trail Auto","version":"1.0","type":"link"}