Coolwell 8-Ch Ethernet Relay Module with PoE Port Communication Modbus RTU/Modbus TCP Protocol Cover with Industrial Grade Rail-Mount Case

8 channel ETH relay, 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 8-ch ETH POE relay, supports DC 7~36V wide range power input and PoE power supply 8-ch POE relay module, supports relay control through MQTT protocol, comes with Alibaba Cloud MQTT application demo 8 channel POE relay, high-quality relay, contact rating: ≤10A 250VAC/30VDC; rail-mounted ABS case, easy to install, safe to use 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