The DFRobot Relay Module (V3.1) is a reliable single-channel relay board designed to let your microcontroller safely switch high‑voltage and high‑current loads. Ideal for Arduino and other TTL-compatible boards, it enables control of home lighting, appliances, motors, solenoid valves, and other high‑power devices via a simple digital HIGH/LOW signal. A clear onboard status LED provides instant visual feedback of the relay’s ON/OFF state, and the modular design allows easy integration into existing projects or control panels.
This version features improved bottom-layer silkscreen for intuitive wiring and hassle-free installation. Some kits may also include an acrylic holder and nylon screw set to protect the high‑power interface from accidental short circuits on metallic surfaces. The board offers a high-quality connector and immersion gold PCB finish for enhanced durability and stable performance, making it suitable for both prototyping and long-term deployments.
Specifications:
- Single relay board
- Rated through-current: 10A (NO), 5A (NC)
- Contact rating (resistive load): 10A 250VAC / 24VDC
- Maximum switching voltage: 250VAC / 30VDC (rated 150VAC / 24VDC)
- Maximum switching current: 15A
- Maximum switching power: 250VA / 240W
- Control interface: Digital, TTL level compatible
- Operate time (nominal voltage): 10 ms
- Release time (nominal voltage): 5 ms
- UL rating: 10A 120VAC / 10A 250VAC
- High-quality connector and immersion gold surface for superior reliability