8-ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE port Communication, With Various Isolation And Protection Circuits, Industrial Grade Rail-mount Case

Features:

• Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically
• Supports DC 7~36V wide range power input and PoE power supply
• Supports relay control through MQTT protocol, comes with Alibaba Cloud MQTT application demo
• Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit
• Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection
• High-quality relay, contact rating: ≤10A 250VAC/30VDC
• Rail-mounted ABS case, easy to install, safe to use
• 4 LEDs and Network indicators for indicating the MCU status and signal transceiving status