1channel relay module driven by DC 12V input Key specifications Output capacity: can switch loads up to DC 30V 30A or AC 250V 30A Isolation: optocoupler isolation provides strong antijamming capability and stable performance Trigger mode: selectable level or low level trigger for flexible interfacing Key benefits Protect control circuitry: optocoupler isolation minimizes interference from power loads, helping to safeguard your control logic Handle substantial loads: rated to 30A, suitable for a range of DC and AC applications within the specified voltages Flexible control logic: or low trigger configuration lets you match different microcontroller or control system designs Easy integration: designed for straightforward connection to 12V control signals and common control schemes Applications and use scenarios Microcontroller projects: use to switch larger DC loads such as motors, solenoids, or heating elements from a 12V control circuit without exposing the controller to load transients Home or industrial automation: control AC or DC devices up to 250V/30A in lighting, pumps, or equipment, with electrical isolation between control and power circuits Control panel design: implement safe, reliable switching in panels where noise and spikes from the load could affect the control system This description preserves the original product function and ratings while highlighting practical benefits, compatibility with common control logic, and realworld use cases.