1channel relay module for DC 5V control Key benefits Safe isolation: optocoupler isolation protects your control circuits from power loads and noise, improving reliability. current and voltage capacity: switch DC up to 30V at 30A or AC up to 250V at 30A, enabling control of many common loads. Flexible triggering: selectable or low trigger to fit different microcontroller logic and wiring schemes. Stable performance: designed for strong antijamming capability and consistent operation in demanding environments. Easy integration: single channel module ready to add to existing control systems and prototyping projects. What it does Functions as a single channel relay module with a 5V DC input driving the relay. Output capacity supports loads within DC 30V 30A or AC 250V 30A. Technical highlights Input: DC 5V control signal Output: within DC 30V 30A or AC 250V 30A Isolation: optocoupler isolation for noise reduction and protection Trigger mode: configurable or low trigger Use scenarios Home automation: control lighting, fans, or other appliances from a microcontroller or automation hub. Industrial control: switch motors, pumps, or heaters within the rated voltage and current limits. Prototyping and testing: convenient module for developing and validating control logic in projects and experiments. Compatibility and performance notes Designed for standard control signals from 5V logic sources Provides reliable operation with strong antijamming characteristics Suitable for applications requiring protection between control circuitry and power loads