The 1 Channel 12V Relay Module is a compact and reliable switching device designed to control high-voltage AC or DC loads using a 12 V control signal. It acts as a safe interface between low-power control circuits and high-power electrical devices, making it ideal for home automation, industrial equipment, and DIY electronics. With built-in optocoupler isolation, it protects your microcontroller or control board from voltage spikes and electrical noise.
Technical Specifications
Core Specifications
Operating voltage: 12 V DC
Trigger voltage: 12 V DC (compatible with 12 V logic systems)
Relay type: SPDT (Single Pole Double Throw)
Load capacity: 10 A at 250 V AC or 10 A at 30 V DC
Trigger current: approximately 15–20 mA
Electrical & Physical
Optocoupler isolation for enhanced protection and noise immunity
LED indicator shows relay activation status
Screw terminals for easy AC/DC load connections
Signal input pin for direct microcontroller or external trigger
Module dimensions approximately 44 mm × 26 mm × 18 mm
Environmental
Operating temperature range: –40 °C to +85 °C
Stable performance for both indoor and industrial applications
Why Choose the 1 Channel 12V Relay Module
Provides safe and efficient switching of high-voltage loads
Optocoupler isolation protects sensitive control electronics
Compact and easy to integrate into 12 V automation systems
Critical Uses
Home automation for lights, fans, and appliances
Industrial control of motors, pumps, and solenoids
Remote-controlled power management and IoT projects
DIY electronics requiring 12 V logic switching
Pro Tips
Always connect the relay module’s ground to the control system ground
Use proper insulation when working with high-voltage AC circuits
Ensure connected devices do not exceed the rated current of the relay
Package Includes
1 × 1 Channel 12V Relay Module