DaierTek 12V 3-Way Waterproof Relay Box – Pre-Wired Fuse & Relay for Auto, Truck, Boat (40A)
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Description
xOverview
DaierTek presents a compact, weather-ready power hub for 12V electrical systems. The DaierTek 12V 3-Way Waterproof Relay Box is pre-wired and designed for seamless integration in automotive, marine, and off-road setups. It keeps essential circuits organized while standing up to moisture, dust, and vibration typical of real-world use.
Durable, Weather-Ready Construction
The enclosure combines a sealed base with a snap-on cover to deter moisture intrusion and debris. This design supports tool-free access for quick inspections or upgrades, helping you maintain system reliability without disassembly or special tools.
- Sealed base blocks moisture and dust from reaching internal components
- Snap-on lid provides easy access for checks and maintenance
- Rugged, compact footprint fits behind dashboards, in engine bays, or console panels
Triple Protection, Simple Wiring
Inside, a dual protection setup pairs three fuse slots with three 4-pin relays. The unit ships with three ATC/ATO blade fuses and three color-coded relays (blue, white, yellow) to simplify circuit identification and routing.
- Three fuse slots and three relay slots support modular power distribution
- Color-coded wires aid quick tracing of power paths
- 12 AWG high-current terminals ensure stable performance under heavy loads
Pre-Wired Convenience, Ready for Action
Pre-wiring reduces installation complexity. The kit delivers a clean, organized setup out of the box, with color-coded leads that simplify routing through dashboards, cabins, or engine compartments. The robust wiring and terminals are designed for dependable long-term use.
Ideal Use Scenarios
Designed for 12V systems in cars, trucks, boats, and similar vehicles, this relay box helps you consolidate switches, lights, pumps, audio, and other accessories into a single, manageable module. It’s a practical upgrade for DIY enthusiasts seeking tidy wiring and dependable protection.
What You Get
- 3 fuses and 3 relays
- Sealed, weather-resistant enclosure
- Pre-wired assembly with color-coded leads
- High-current 12 AWG wiring for reliability
Note: Verify voltage and current needs before installation. This unit offers a flexible path to better organization and protection for 12V circuits, with room for future expansion.
FAQ
Q: Is the DaierTek 12V 3-Way Waterproof Relay Box compatible with my vehicle?
A: It supports common 12V automotive, truck, and boat layouts, using 3x4 pin relays and ATC/ATO fuses.
Q: How does the waterproof design benefit real-world use?
A: The sealed base and snap-on lid help protect internals from moisture and dust during outdoors or all-weather use.
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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