JD2912 24V Relay 40A SPST with Harness – 4-Pin Heavy Duty Automotive Relay Socket Kit – for Trucks, Light Bars, Fans, Horns, 24V DC Systems-2Pcs

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MSRP: $68.99
$44.95
(You save $24.04 )
  • All orders are processed Monday through Friday, excluding weekends and holidays.
  • Orders are typically processed and shipped within 1–3 business days after payment confirmation.
Shipping Method Estimated Delivery Time
Free Shipping (Orders Over $69) 6–18 business days
Standard Shipping 6–18 business days
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Product Overview

Brand: FTHSO

Features:

  • 24V 40A Heavy Duty Relay – JD2912 model designed for 24V DC circuits; handles up to 40A continuous load. Ideal for medium to heavy power automotive and industrial applications.
  • 4-Pin SPST Standard Layout – Terminals 85/86 for coil, 30 for power input, 87 for NO output. Fits universal ISO relay sockets.
  • Waterproof Socket Harness – Includes a pre-wired sealed socket with 14AWG copper leads. Safe for outdoor and under-hood installations.
  • Broad Compatibility – Works for 24V trucks, buses, RVs, off-road vehicles, and other heavy-duty electrical systems.
  • Dependable Support – Eligible for return within 90 days and includes 1-year replacement service for product-related issues.

Details: JD2912 24V 40A Relay with Waterproof Harness This 4-pin SPST relay is built for 24V DC circuits and supports up to 40A switching capacity. Comes with a color-coded harness for quick installation in automotive or industrial setups. Rated Voltage: 24V DC Max Current: 40A (Normally Open) Terminal Layout: 85-86 (coil), 30 (power), 87 (NO) Applications: Truck horns, fans, LED bars, 24V power systems Relay and harness are sealed for moisture and dust resistance. Suitable for daily or commercial use in demanding electrical systems.

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