
















💡 Upgrade your ride’s electrical game with Nilight’s unstoppable relay power!
The Nilight 5 Pack Waterproof Relay and Harness Set features 5 durable 12V SPDT automotive relays with a max switching current of 40 amps. Each relay is sealed for waterproof, dustproof, and moisture-proof protection, paired with a pre-wired heavy-duty 12 AWG tinned copper harness for easy installation and long-lasting performance. Perfect for demanding automotive applications, this set is trusted by professionals and backed by a 2-year warranty.













| ASIN | B07V9M7FMH |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #2,800 in Automotive ( See Top 100 in Automotive ) #2 in Automotive Replacement Starter Relays |
| Brand | Nilight |
| Coil Resistance | 100 Megaohms |
| Coil Voltage | 12 Volts |
| Color | 30A-5PC |
| Connector Type | Through Hole |
| Contact Current Rating | 30 Amps |
| Contact Material | Copper |
| Contact Type | Normally Closed |
| Current Rating | 30 Amps |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,291) |
| Date First Available | July 16, 2019 |
| Included Components | 5 pack Waterproof Relay and Harness |
| Item Package Quantity | 1 |
| Item Weight | 1.01 pounds |
| Item model number | 50044R |
| Manufacturer | Nilight |
| Material | Copper |
| Maximum Switching Current | 40 Amps |
| Maximum Switching Voltage | 14 Volts |
| Measurement System | Imperial |
| Minimum Switching Voltage | 14 Volts |
| Mounting Type | Wall Mount |
| Number Of Pieces | 5 |
| Operation Mode | Manual |
| Part Number | 50044R |
| Product Dimensions | 7.17 x 6.34 x 1.93 inches |
| Size | 5 Pack Waterproof Relay |
| Specification Met | CE |
| Style | Automotive relay |
| UPC | 812227032197 |
| Voltage | 12 Volts |
| Warranty Description | 2 Years Warranty |
H**T
Resolved my issues with an older Fisher plow install
Great 5 pack of relays and matching tails. I had old relays taped together running my Fisher plow lights. Weird light issues had me questioning these relays. These straightened out my concerns about cross wiring, and made the connections truly waterproof. Bam! Lights work correctly again.
A**R
Excellent value and quality
This is awesome! I used it to turn my golf cart off and on since EZGO key's are a joke and they can be turned on with paper clip. Now I can use the fob to turn it off when I get off and won't worry about it getting stolen. Would buy again!
L**S
Great product. Perfect solution to battery drain
Excellent quality. Works exactly as described. Easy to install
B**N
Relays for Caterpillar Skid Steer
I was looking for less expensive relays for replacing relays on my CAT Skid Steer. These same relays are used for both engine starter relay and the glow plug relay on the skid steer. I paid about $37 for one relay at the CAT dealer, while this whole five pack of relays are way less than that. I was thinking these Nilight relays would be lower quality, but now I have a different opinion. I weighed the Nilight relay vs the well used, original CAT relay (sorry for the dirt and dust), and they were exactly the same. I tested one relay with a 9V battery, and they had a very solid, distinctive click when the relay contacts changed state. My ohmmeter confirmed the contacts changed state properly. I confirmed the CAT relay fit into the connector the same as the Nilight relay. It is a very tight fit, but that is due to the rubber gasket that prevents moisture intrusion. The icing on the cake is that these Nilight relays are a straight plug and play, no rewiring required. That rating for 10,000,000 cycles may be a stretch, but who knows, it is looking pretty good so far!
J**S
Suggested Theft Prevention Device
Great product and works as described. Easy to install and the additional items and wire makes installation universal. The device is installed on the ground/negative side, between the ground cable and the battery. There is a small red wire that connects to the battery and supplies the relay power. The key fob has an on/off that works perfectly, and while off, the ground/negative signal is interrupted.
R**K
The best solution for parasitic draw
I have install this type of device on all my vehicles that sit for long oeriods if time. Dual protection. I can use the remote and disconnect the battery if I know it will be parked for more then a cpl weeks…. Or it will automatically disconnect when voltage drops to certain point.. simply hit the button on the remote to reconnect power and start it up.
C**7
Good quality, use it to run a power inverter
I use this to toggle on and off a positive battery terminal end that I brought into my truck to hook up a 800 watt (peak) power inverter. This means the inverter will pull a max of about 67 amps, well below the rating of the relay. It works great, wiring is the same as a regular relay.
V**O
Negative relays w/ remote
Very good quality at a very good price just need to check because they are negative and positive relays
S**N
Good
J**Y
Well made, good waterproofing, the wires were thicker than I imagined and that's good for connections. They are also copper which helps conductivity.
K**H
These seem to be a very good quality unlike some others, i have not installed as of yet but the initial out of the package seem to be very good
R**N
These relays are top notch The plug connection is well sealed .
J**.
Nice robust product
Trustpilot
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