Nilight 50003R 12V 5-Pin Relay Kit – 5-Pack with Interlocking Socket & Harness (30A/40A)
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Description
xLift car electrical control with confidence
The Nilight 50003R Automotive Set delivers a compact, robust solution for safely switching higher electrical loads. This 5-pack features pre-wired, interlocking relays and matching harness sockets, designed to simplify installation and keep wiring neatly organized in a busy engine bay. Use these relays to manage accessories driven by a 12V system, from lighting to fans, with a clear path to cleaner wiring and responsive performance.
Key capabilities at a glance
- Normally Open contact: up to 40A at 14V DC, ideal for high-current loads
- Normally Closed contact: up to 30A at 14V DC for fail-safe or default-path scenarios
- Max switching current and voltage: 40A and 30V DC, delivering solid headroom for many automotive devices
- Fast response: operate time around 10 ms; quick release around 5 ms for precise control
- Durable construction: silver alloy contacts with low resistance ensure reliable conduction
What’s included and what makes installation smoother
- Bundle includes 5 relays and 5 corresponding harness sockets with wires
- Premium build using high-grade materials for longer life in challenging environments
- Unique male-female slot design for clean, plug-and-play connections
- Color-coded harness leads simplify wiring by load or accessory
- Universal fit for most 12V automotive systems and devices
Real-world uses and installation ideas
These relays are well-suited for controlling car lights, fog lamps, headlights, seat warmers, windshield wipers, fans, and other 12V devices. The interlocking socket helps keep the connection secure even in bumpy conditions, while the dependable contacts support consistent switching across multiple trips. Users often appreciate how the color-coded wires reduce guesswork during setup and how the compact relay profile fits in cramped engine bays. While not a guarantee, the kit’s specs point to reliable performance under typical automotive loads.
Build quality, environmental resilience, and warranty
Engineered for temperature swings from -40°C to +125°C (no condensation), with vibration and shock resistance to handle everyday driving. The 2-year warranty adds peace of mind for ongoing use in diverse weather and road conditions.
FAQ
Q: What is included in the Nilight 50003R 5-pack kit?
A: Includes 5 relays and 5 matching sockets with wiring for universal 12V use.
Q: What kinds of devices can these relays control?
A: Suitable for car lights, fog lamps, headlights, wipers, fans, and other 12V automotive accessories.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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