Five-Point Description
Efficient Power Control: Designed to precisely and efficiently control automotive lighting systems, including headlights, fog lights, and other vehicle accessories, ensuring optimal performance.
Robust 12V 40A Capacity: Features a reliable 12-volt (12V) operating voltage and a high 40-amp (40A) current capacity, guaranteeing stable operation even under significant electrical loads.
Exceptional Durability & Reliability: Built with quality materials for long-lasting use, this auto electrical relay offers superior durability and consistent, dependable performance for demanding vehicle applications.
Versatile Vehicle Application: A universal automotive relay perfect for a wide range of vehicles and lighting setups, ideal for upgrading existing systems or integrating aftermarket car lights and LED lighting.
Optimized System Protection: Helps protect your vehicle's sensitive switches and wiring from excessive current, extending their lifespan and ensuring safer, more consistent power delivery to your lights.
Product Parameter (Specification)
|
Contact Ratings |
|
|
Contact Ratings |
1Z, 1H |
|
Contact Resistance |
50MΩ (1A 6VDC) |
|
Contact Material |
AgCdO |
|
Contact Capacity |
30A 250VAC/30VDC 40A 250VAC/30VDC |
|
Specification |
|
|
Insulation Resistance |
100MΩ, 500VDC |
|
Dieletric Strength |
BCC 500V 1 min |
|
BOC 500V 1 min |
|
|
Operate Time |
15ms/10ms |
|
Terminal Type |
PCB |
|
Coil Ratings |
|
|
Norminal Coil Power |
DC: 1.6W |
Product Feature And Application
Excellent Performance
√ Automotive relay
√ Lifetime reaches 100000 times
√ Stable action time
√ Suitable for most cars
Production Details


|
Nominal Voltage VDC |
Pull-in Voltage VDC |
Relesae Voltage VDC |
Coil Resistance Ω: ±10% |
|
5 |
3.50 |
0.50 |
14 |
|
6 |
4.20 |
0.60 |
18 |
|
12 |
8.40 |
1.20 |
82 |
|
24 |
16.8 |
2.40 |
324 |
Detail Description
Elevate your vehicle's lighting performance and electrical system reliability with our premium Heavy Duty 12V 40A Automotive Relay. Specifically engineered to efficiently control a wide array of automotive lighting systems, this robust power relay is an essential component for ensuring optimal functionality and safety on the road.
Key Features & Benefits:
High Performance & Reliable Power Delivery:
Featuring a stout 12-volt (12V) operating voltage and an impressive 40-amp (40A) current capacity, our car relay is meticulously designed to manage significant electrical loads with ease. This ensures a stable and reliable power supply to your headlights, fog lights, and other critical vehicle lighting applications, preventing common issues like flickering or insufficient illumination under heavy use.
Built for Durability & Consistency:
Crafted from high-quality, resilient materials, this auto electrical relay is engineered for exceptional durability and long-term consistent performance. It is designed to withstand the rigorous demands of the automotive environment, offering a dependable and lasting solution for controlling power to vital lighting circuits. Trust in its construction for a reliable upgrade or replacement.
Universal Compatibility & Wide Application:
Whether you are looking to enhance your existing vehicle lighting or integrate new aftermarket car lights, this universal 12V 40A relay is the perfect fit. It's ideally suited for a diverse range of automotive electrical systems, including LED car lights, high beams, auxiliary lights, off-road lights, and various other power-hungry accessories, providing robust power control exactly where you need it.
Enhanced System Protection & Safety:
By incorporating this automotive relay switch into your vehicle's wiring, you effectively shield delicate switches and sensitive wiring from excessive current draw and potential damage. This not only extends the lifespan of your vehicle's electrical components but also ensures a safer and more consistent operation, allowing your lights to perform at their full brightness without compromise.
Effortless Integration:
Designed for straightforward installation, this 12V 40A relay can be easily incorporated into your vehicle's existing electrical system. For specific applications or complex setups, common 12V 40A relay wiring diagrams for headlights or fog lights can be referenced to ensure a correct and hassle-free setup.
Invest in a reliable and high-performance solution for your vehicle's lighting and electrical needs. Our 12V 40A automotive relay delivers the efficiency, durability, and consistent power control you demand for a safer and brighter driving experience.

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