Weasch 12V 40A 4-Pin SPST Waterproof Relay and 14AWG Harness Kit

Weasch

MSRP: $34.34
$20.95
(You save $13.39 )
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Product Overview

Brand: Weasch

Features:

  • 【HEAVY-DUTY 12V 40A CAPACITY】High-performance 12 volt 40 amp 4 pin SPST JD1912 relay switch with 1.8W coil power and 80Ω resistance. Built with premium AgSnO2 contacts for maximum conductivity, anti-arcing, and long electrical lifespan under heavy draw loads. Never exceed its capabilities—always keep continuous loads 10% to 15% below the rated value for safe operation
  • 【WATERPROOF & DUSTPROOF】Heavy duty waterproof 12v relay designed with a tightly weather-sealed housing and high-grade rubber gasket socket to effectively isolate moisture, rain, and dust. Engine-bay ready and engineered for harsh marine and saltwater environments
  • 【FLEXIBLE 14AWG TINNED COPPER WIRES】 Engineered with pure tinned copper wires (14AWG load / 16AWG control) that offer superior conductivity and corrosion resistance over cheap CCA wires. Pliable 14AWG design enables easy routing in tight spaces without stiff cable stress
  • 【COLOR-CODED 4-PIN EASY WIRING】Clear color-labeled wires for quick plug-and-play installation: Red 14AWG - Pin 30 (VDC Positive), Blue 14AWG - Pin 87 (Output N/O), White 16AWG - Pin 86 (Trigger Switch), Black 16AWG - Pin 85 (Ground)
  • 【VERSATILE AUTOMOTIVE & MARINE USES】Universal 12V DC automotive relay harness kit for marine boats, trucks, Off-Road 4x4s, RVs, and ATVs. Ideal for powering LED light bars, work lights, fog lamps, fuel pumps, cooling fans, and air horns. Please check overall dimensions (1.37" x 1.65" x 9" with wires / 2.44" x 1.77" x 1.38" housing) before buying to ensure proper mounting clearance