TUOPUONE Industrial Modbus RTU 4-ch Relay Module with RS485 Interface 30A High Current Onboard LED Indicators Multi Isolation Protection Circuits Industrial Grade Rail-Mount Case
TUOPUONE Industrial Modbus RTU 8-ch Relay Module (E) with RS485 Interface 30A High Current Multi Isolation Protection Circuits Rail-mounted Case
Waveshare 30-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, With Various Isolation And Protection Circuits, Industrial Grade Rail-Mount Case
Waveshare 8-Ch Ethernet Relay Module (B) With Digital Input, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, With Various Isolation And Protection Circuits, Industrial Grade Rail-Mount Case
Waveshare Dual Ethernet Ports 8-Ch Relay Module (C), Modbus RTU Protocol, PoE Power Supply, With Various Isolation And Protection Circuits, Industrial Grade Rail-Mount Case
Waveshare Modbus RTU 8-Ch Latching Relay Module (C) With RS485 Interface, Multi Isolation Protection Circuits, Rail-Mounted Case
