2 channel relay module with optocoupler insulation for stable and safe operation. The opto-isolated input protects your control circuit while delivering reliable switching of the loads. Premium relays with a standard interface and strong load ratings: - Contact rating: AC 250V, 10A; DC 30V, 10A - Coil trigger current: 5 mA High and Low trigger mode: - Trigger level is selectable by a jumper (wire bridge), allowing compatibility with different control logic - Flexible input options to suit various microcontroller or control systems Key benefits: - Provides galvanic isolation between control electronics and switched loads, reducing interference and protecting sensitive circuitry - Suitable for both AC mains and low-voltage DC loads within specified limits - Simple integration with standard interfaces and a straightforward trigger configuration 2-3 practical use scenarios: - Microcontroller projects: safely switch mains devices (lights, fans, small appliances) from a microcontroller while isolating the control circuitry - Home automation: control household devices from a smart controller or automation hub with reliable isolation and simple trigger configuration - Industrial/control panels: interface sensors or PLC signals to AC/DC loads, using the high/low trigger option to match existing logic levels Note: This description reflects the module’s features as specified: 2-channel design, optocoupler insulation, AC 250V/10A and DC 30V/10A load capability, 5 mA trigger current, and selectable high or low trigger via a wire bridge.