4-Channel Relay Module, 30A Copper-Plated Optocoupler Relay Board, High and Low Level Trigger, DC 30V AC 250V for Industrial Automation PLC IoT Control (12V)

【4-Channel Control】 This 4-channel relay module supports independent switching for multiple loads. Built with optocoupler isolation and a high-level actuator mode for PLC and IoT control tasks.
30A Load Capacity: The rated load current is 30A with a maximum load of 30V DC or 250V AC. Suitable for controlling circuits where higher current switching is required in automation equipment.
【Clear Status Indication】 The LED indicator design helps users visualize the channel's operating status during setup and operation. Useful for troubleshooting wiring and monitoring relay response in control systems.
【Compact Board Size】 Made of copper-clad laminate, the module size is approximately 129 x 72 x 22 mm, and the installation size is approximately 124 x 67 mm. Suitable for panel projects, equipment boxes, and controller assemblies.
Industrial usage scenario: quiescent current is 5 mA and actuator current is 2 to 4 mA. Designed for PLC equipment, industrial automation, actuator control, and IoT switching applications using a DC power supply.