This DC 5V 1 channel relay module set is built for convenient wiring, signal switching, and module connection. In addition to the relay boards, the set also includes 20cm jumper wires in 3 connector types and 0.25W resistors in 3 common values, making the package more complete for circuit setup.
The relay board supports both high level and low level trigger modes, offering flexible control for different connection requirements. Each module features optocoupler isolation, screw terminals, and mounting holes for practical installation and wire connection.
The included jumper wires are available in male to male, male to female, and female to female types. The resistor assortment includes 10K, 1K, and 220R values. These accessories help reduce the need for additional parts when setting up relay control circuits.
The relay contact rating is AC 250V 10A or DC 30V 10A. Suitable for use within the rated electrical range for switching and control applications.