GEYA Omron Relay Module for PLC 4 Channel 12V 24V AC/DC 1NO1NC Pluggale Relay

Modbus RTU 4 Channel Relay Module with RS485/TTL UART, 1 Input 1 Output, 7-24...

4 Channel Relays Module DC12V 30A Control For Home And Lab Applications

Modbus RTU 8 Channel 12V Relays Module Featuring RS485 Input Output

2 Channel Relays Module 30A Load for PLC Automation & Industrial Application

2 Channel Relays Module 30A Load Capacity for homes & Industrial system

8 Channel 12V Relays Module Modbus RTU With RS485 Communication For DIY Projects

Programmable 8 Channel Relays Module with RS485 Interfaces for Electrical