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⚡ Stay powered, stay unstoppable — the relay harness pros trust!
The Nilight 5 Pack Waterproof Relay and Socket Harness offers heavy-duty 12 AWG tinned pure copper wiring and 5-pin SPDT relays rated for up to 40 amps. Engineered with a fully sealed waterproof and dustproof design, this set ensures reliable automotive, marine, and RV electrical switching in any environment. Pre-wired for easy installation and backed by a 2-year warranty, it’s the go-to choice for professionals demanding durability and performance.

















| ASIN | B07V9M7FMH |
| Best Sellers Rank | #2,865 in Automotive ( See Top 100 in Automotive ) #8 in Automotive Replacement Battery Switches |
| Brand | Nilight |
| Brand Name | Nilight |
| Coil Resistance | 100 megaohms |
| Coil Voltage | 12 volts |
| Connector Type | Through Hole |
| Contact Current Rating | 30 A |
| Contact Material | Copper |
| Contact Type | Normally Closed |
| Current Rating | 30 A |
| Customer Reviews | 4.6 out of 5 stars 1,224 Reviews |
| Global Trade Identification Number | 00812227032197 |
| Included Components | 5 pack Waterproof Relay and Harness |
| Item Highlight | Heavy Duty 12 AWG Tinned Copper Wires Pure Copper Core 5-PIN SPDT 12V Automotive Car Trucks RV Marine Boat |
| Item Type Name | Nilight 50044R 5 Pack Waterproof 40/30 AMP Heavy Duty 12 AWG Tinned Copper Wires 5-PIN SPDT Bosch Style 12V Automotive Relay and Harness Set,2 Year Warranty |
| Manufacturer | Nilight |
| Maximum Switching Current | 40 A |
| Maximum Switching Voltage | 14 volts |
| Minimum Switching Voltage | 14 volts |
| Model | 50044R |
| Mounting Type | Wall Mount |
| Number of Items | 1 |
| Number of Packs | 5 |
| Operation Mode | Manual |
| Part Number | 50044R |
| Specification Met | CE |
| UPC | 812227032197 |
| Unit Count | 5 Count |
| Warranty Description | 2 Years Warranty |
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