Eaton C440-XCOM Expansion Module Relay Accessories, 24 V DC, New Open Box

Eaton C440-XCOM Expansion Module 24V DC Remote Reset Modbus RTU RS485

Ethernet/RS485 Relay Switch Module Modbus RTU Network Controller Expansion Board

Eaton C440-XCOM Overload Relays Expansion Module

Modbus RTU DC12V RS485 Relay Module PLC Expaning Board DIN Rail Case 8/16Channel

Waveshare 8-ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol

12DIO Ethernet/RS485 Relay Module Modbus RTU TCP/IP Network PLC Expansion Board

Ethernet/RS485 Relay Switch Module Modbus RTU Network Controller Expansion Board