Meet Your Seller
AJMRTC 1 Channel DC 3V Relay Module, High Level Trigger Optocoupler Isolated Driver Control Board, Single Relay Switch Module Compatible with Arduino, ESP32, MCU for Smart Home & Electronic DIY Projec
- - Optocoupler isolation separates control and load circuits, reduces signal interference and protects your microcontroller safely
- - DC 3V working voltage with high-level trigger design, directly driven by MCU IO pins for simple signal control
- - Single relay channel supports max 10A 250VAC /10A 30VDC load for switching lights, pumps and small devices
- - Built-in power & status LED indicators, terminal block connectors for quick wiring and convenient debugging
- - Compact PCB with mounting holes, widely used for smart home automation, IoT, industrial control and electronic experiments
Any questions? Our AI mode will help you find out quickly.
AJMRTC 1-channel DC 3V relay module adopts optocoupler isolation technology to achieve electrical isolation between the control signal and load circuit, greatly improving anti-interference ability and protecting your main controller. It uses high-level trigger mode, works with DC 3V power supply and can be directly controlled by Arduino, ESP32 and other MCU IO ports. The relay supports up to 10A load capacity. LED indicators clearly show power and relay working status. Screw terminal blocks simplify wiring operation. Suitable for DIY electronic projects, smart home equipment control, small industrial switching and robot automation experiments.
Brand: AJMRTC
Channels: 1 Channel
Working Voltage: DC 3V
Trigger Type: High Level Trigger
Isolation: Optocoupler Isolation
Max Load: 10A 250VAC / 10A 30VDC
Application: Arduino, ESP32, MCU, Smart Home, IoT, Electronic DIY
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
- CONTACT
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by ThermalNest Return Policy
Manufacturer Contact Info
- For a directory of all our manufacturers, please click below.
- Manufacturers Directory







