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
Waveshare Industrial Modbus RTU 8-Ch Relay Module (E) With RS485 Interface, 30A High Current, Multi Isolation Protection Circuits, Onboard Optocoupler Isolation, Rail-Mounted Case
TUOPUONE 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 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
TUOPUONE Modbus RTU 8-ch Latching Relay Module (C) with RS485 Interface Multi Isolation Protection Circuits Rail-mounted Case
