Description
Product Overview
The HiLetgo Relay Control Module is a compact, high‑performance relay designed for automotive electrical systems. It utilizes a genuine high‑quality relay with a normally open interface, supporting a maximum load of AC 250V / 10A and DC 30V / 10A. Optocoupler chip isolation provides strong drive capability and stable performance, while a trigger current of just 5 mA ensures efficient operation. The module can be configured via jumper for high or low trigger, and its fault‑tolerant design prevents relay movement even if the control line breaks.
Usage
This module is perfect for vehicle lighting control, motor activation, and auxiliary power management. Install it in car dashboards, engine bays, or custom automotive projects where reliable switching is critical. Suitable for both hobbyists and professional technicians seeking a dependable solution for electric circuits.

Why Choose Us
HiLetgo delivers consistent quality with rigorous testing and genuine components. Our relay modules are engineered for durability, offering protection against voltage spikes and ensuring long‑term reliability. Backed by positive customer reviews and a top ranking in automotive replacement relays, we provide confidence in every purchase.
Key Features
- High load capacity: AC 250V / 10A, DC 30V / 10A
- Optocoupler isolation for safe, stable switching
- Low trigger current of 5 mA for efficient control
- Configurable jumper for high or low trigger modes
- Fault‑tolerant design keeps relay stable if control line fails
FAQ
What is the maximum current this relay can handle?
The module supports up to 10 A on both AC 250 V and DC 30 V loads.
Can I use this relay for low‑voltage LED lighting?
Yes, the low trigger current of 5 mA makes it ideal for controlling LED circuits and other low‑power devices.
How do I set the trigger mode?
Use the provided jumper to select either high‑trigger or low‑trigger operation according to your circuit requirements.
Is the module protected against voltage spikes?
Yes, the built‑in optocoupler and fault‑tolerant design provide protection against common automotive voltage transients.
What warranty does HiLetgo offer?
HiLetgo provides a one‑year warranty covering manufacturing defects for peace of mind.






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