• A 12V 80A 4-pin SPST normally open waterproof automotive relay with its pigtail socket.
  • Close-up view showing the high-quality internal copper coil of an 80A automotive relay.
  • Detailed dimensions of the 80A waterproof automotive relay and its corresponding harness socket.
  • Top-down view of the 5-pin waterproof relay socket with its protective blue seal.
  • Bottom view of the 80A automotive relay showing the 30, 85, 86, and 87 pin configuration.
  • Wiring diagram illustrating how to install a normally off relay using a ground trigger source.
  • Wiring diagram showing how to connect a normally off relay using a positive trigger source.
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Heavy-Duty 80A Waterproof Automotive Relay | 12V/24V 4-Pin & 5-Pin Kit

Heavy-Duty 80A Waterproof Automotive Relay | 12V/24V 4-Pin & 5-Pin Kit

HK$35.00
HK$35.00
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Power Your High-Current Automotive Accessories with Confidence

Upgrade your vehicle's electrical system with our Heavy-Duty 80A Waterproof Automotive Relay Kit. Engineered for reliability, this kit is the perfect solution for controlling high-power devices like cooling fans, fuel pumps, HID headlights, and stereo systems. With a fully waterproof design and multiple configurations available, you can choose the exact relay you need for any project.

Key Features:

  • High Power Handling: Boasts a massive 80A contact switching capability, easily managing your most demanding 12V or 24V accessories.
  • Fully Waterproof: Features a sealed relay and an interlocking, gasketed harness socket, providing superior protection against water, dust, and debris. Ideal for cars, trucks, marine boats, and ATVs.
  • Choose Your Configuration: Select the perfect relay for your needs from four available options:
    • 5-Pin (SPDT): A Single Pole Double Throw relay designed to switch power between two separate circuits. Perfect for applications requiring polarity reversal (like a motor) or switching between two different functions.
    • 4-Pin (SPST): A Single Pole Single Throw relay for simple ON/OFF control of a single circuit. This is the most common type for adding accessories like fog lights or a horn.
  • Premium Quality Construction: Built with a high-quality copper coil for stable performance and a long service life. The pre-wired harness uses durable, color-coded wires for straightforward installation.
  • Plug & Play Installation: The kit includes a matching socket with a 19.5cm pigtail, eliminating complex terminal crimping. The integrated metal mounting tab allows for easy, secure placement.

What's Included:

  • 1 x 80A Waterproof Relay (as per your selected voltage and pin type)
  • 1 x Matching Interlocking Waterproof Harness Socket

Specifications:

  • Model: JD2912 Series
  • Coil Voltage: 12V DC or 24V DC (select option)
  • Contact Rating: 80A
  • Type: 4-Pin SPST (Normally Open) or 5-Pin SPDT (select option)
  • Pinout (5-Pin SPDT): 30 (Common), 87 (Normally Open), 87a (Normally Closed), 85 (Coil Ground), 86 (Coil Positive)
  • Pinout (4-Pin SPST): 30 (Input Power), 87 (Output Power), 85 (Coil Ground), 86 (Coil Positive)
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