JD2912 40A 5-pin Car Relay - Versatile DC voltage compatibility: operates with 12V, 24V, 36V, and 48V DC systems, making it suitable for a wide range of vehicles and DC applications. - High current capability: 40A switching capacity to reliably control pumps, fans, lights, solenoids, and other high-current loads in automotive and DC systems. - Efficient coil power: coil consumption of 1.8W helps reduce control circuit load while maintaining reliable actuation. - 5-pin configuration: compact, simple wiring with a standard 5-pin layout for straightforward integration into existing circuits. - Easy installation: includes a mounting hole for secure mounting in panels, brackets, or wiring harnesses. - Reliable automotive control device: designed to provide dependable operation in vehicle electrical systems, ensuring stable switching of critical loads. - 48V operation emphasis: specifically suitable for 48V DC control schemes, while remaining compatible with 12V, 24V, and 36V systems as needed. Use scenarios - Automotive accessory control: switch a high-current accessory such as a cooling fan or auxiliary lighting from a low-current control switch in a 12-48V vehicle electrical system. - DC industrial control panel: drive a motor, solenoid, or other DC load in a 24V or 48V control circuit within an industrial or workshop environment. - Off-grid or battery systems: manage power distribution and load switching in 12-48V battery-based setups, including recreational vehicles, backup power, or energy storage applications.