Waveshare 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 (D) With Digital Input And RS485 Interface, Multi Isolation Protection Circuits, 7~36V Power Supply

52,99 €

Waveshare Industrial Modbus RTU 8-Ch Relay Module (B) with RS485 Interface, Multi Isolation Protection Circuits, 7~36V Power Supply

47,99 €

Waveshare Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits Comes with an ABS Enclosure

45,99 €

Waveshare 8-Ch Ethernet Relay Module (B) with Digital Input, Modbus RTU/Modbus Protocol, PoE Port Communication, with Various Isolation and Protection Circuits, Industrial Grade Rail-Mount Case

66,99 €