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The DaierTek 12V Relay Box is a robust 6-slot relay and fuse panel featuring 12 AWG pre-wired, color-coded heavy-duty wiring capable of handling 20A continuous current. Its splash and dust-resistant sealed cover ensures durability in tough automotive, marine, and outdoor environments. Designed for universal 12V systems, it simplifies complex wiring setups while providing dual-layer protection with integrated fuse slots, making it an essential upgrade for professional-grade vehicle electrical management.





| ASIN | B0CP56SXNT |
| Best Sellers Rank | #7,771 in Automotive ( See Top 100 in Automotive ) #4 in Automotive Replacement Fuse Boxes |
| Brand | DAIERTEK |
| Brand Name | DAIERTEK |
| Coil Resistance | 50 ohm |
| Coil Voltage | 12 volts |
| Connector Type | Wired Connectors |
| Contact Current Rating | 20 A |
| Contact Material | Silver |
| Contact Type | Normally Open |
| Current Rating | 20 A |
| Customer Reviews | 4.5 out of 5 stars 539 Reviews |
| Manufacturer | DAIERTEK |
| Maximum Switching Voltage | 12 volts |
| Minimum Switching Voltage | 12 volts |
| Model | RB-R6F6-W2 |
| Mounting Type | Panel Mount |
| Operation Mode | Automatic |
| Part Number | RB-R6F6-W2 |
| Specification Met | Unspecified Industry Standards (Safety & Environmental) |
| Wattage | 28.8 watts |
M**.
It's what I wanted
Overall I'm happy with this purchase. Just make sure you think about the conditions it will be exposed to before purchasing. I bought it for an old Massey Ferguson tractor. It didn't use any fuses and the previous owner/owners had the wiring so rigged up with splice after splice and cut hot wire ends with nothing but grounded metal around so I just rewired the tractor and figured I'd modernize it with fuses and just used all the relays to work as key on power sources. I only needed to wire it for 4 circuits and figured for a few extra bucks it was worth getting the 6 fuse/relay box. As far as quality goes it's not bad. I can't say it's great, the lid doesn't lock down tight, I barely touch it and it pops up. I do wish the red power supply cable was longer, 8 inches sounds like enough until you actually try to find a place where you can secure it while being able to hook the wires to the battery or fuse box or whatever you are using to get your power supply. But it also wouldn't be hard to extend the wiring if needed. Other than that it's working great. Ive only ran it for a few hours so far. The box itself seems solid but moisture can get in through the hole for the wires and a poorly fitting lid, I wouldn't use it for boats or ATVs but for my use it should be perfectly fine
D**D
Great Item for my Ford F150
I needed a better way to wire the lighting on my Ford F150. This item was great! It has 6 connections. Very easy to wire. The relays work great just hit the switch and the lights jump on very bright! This fit right behind the battery and tie in was very easy. 1 ground wire and 1 battery line and your set. Just use your switches. I found that this was the best value by not having to buy each item separately. this comes in one easy package.
T**R
Good Quality. Very protected and easy to wire up.
Works amazing. Used it to wire up lights and a few other accessories. Surprisingly very good quality. Waterproof both top and bottom. Top and bottom panels come off to switch the wires around if needed. True gauge wire, kinda stiff and it seems to be real copper. All the connectors are brass. Relays work and show the diagram on top. Instructions were very clear and fit in the lid for future reference.
B**N
It works, kind of?
The box works.........however, tails could have been a bit longer, in no way is this thing water resistant, or dust resistant, so make sure it is mounted in a non-weather exposed spot, preferably inside the car. I mounted my under the hood and after one rain storm it was wet inside. This is not a mystery as there are no seals what so ever on the wire loom or lid. If water is present, it's getting in. Also, the fuses were pretty much junk and all needed to be replaced. Have not had a problem with the relays yet. Sum up: it's a cheap & quick way to add a few relays, but will most likely fail from heat, moisture or dirt intrusion if mounted under the hood.
C**C
Very nice
It's great, thanks
K**R
Great experience with rewiring 14 silverado lighting system
First off. don't buy a chevy lol I used this with 3x 3 position switches and some diodes to rewire my trucks exterior lighting and add some fog lights. I would HIGHLY recommend that you splice longer leads on the wires before anything else. What as pain in the rear I created for myself by not doing this. Works as it should, take a picture of the diagram so you have it on your phone. I wrote the color of the corresponding wire on the top of each relay. With my switches, diodes and this kit I have a switch for lowbeam, high and low beam (diode), front fog, rear fog, "key-on" override and 1 extra that I haven't used yet, maybe train horn? who knows, you can find the 3 position switches on here. I ran an 8 conductor 16awg for the switches which wire to the relays NC contact.
S**O
Good quality
Perfect for a clean looking fuse block. Comes with set fuses for the relays but can be changed easily to use as a complete fuse block
D**C
NOT WATERPROOF
Seems pretty well built, but definitely NOT waterproof. Sending back.
R**O
Reliable, quality wire
Worked great. I used a battery terminal fuse and just wired it right to it so we didn’t have to install a bus bar and separate wire with fuse etc. Seems reliable and quality 12ga wire for lots of power to aftermarket heated seats and a rear truck cap defroster. Handles the amps well.
J**Z
Perfecto
Excelente
A**R
Will buy again
Awesome for the price, I've installed 5 and recommend
C**S
Cleans up power control
Used this for a 2jz engine swap to run coils, injectors, ecu, pwm fan controller, etc all on their own relays. Small and clean install. Very happy with the simplicity. Be sure to double check fuse sizes of the relay to what the load draws. They come pre installed.
J**L
Bien
Parfait pour petit projet mais dans mon cas (swap LS) elle n'est pas filé comme j'ai besoin mais c'était mon risque. Manque une étoile pour le manque de joint d'étanchéité et fil positif très court ce qui complique un peu l'installation.
Trustpilot
2 months ago
4 days ago