3V, 1-channel relay switching module with optocoupler, high-level triggering, for ESP8266 development board (pack of 5)

General Description This 3V/3.3V 1-channel relay module with optocoupler is designed for controlling devices via a high-level signal. It is ideal for development projects using boards such as the ESP8266. This pack contains 5 modules, each offering optocoupler isolation for reliable use. Technical Specifications Operating Voltage: 3V/3.3V Module Dimensions: 70mm x 17mm x 20mm (2.76 x 0.70 x 0.79 inches) Load Capacity: 10A at 250VAC and 10A at 30VDC Response Time: Less than 20ms Lifespan: Up to 100,000 cycles Compatibility and Accessories Compatible with microcontroller I/O ports Includes a circuit diagram and detailed instruction manual Installation Equipped with fixed mounting holes for easy installation External connection via a rotating crimp terminal for a secure connection Usage Can be driven by a high-level signal Relay power supply and signal can be isolated depending on the jumper cap connection