2X N438B08 DC 12V Channel RS485 Modbus Rtu Relay Board

2PCS N438B08 DC 12V Channel RS485 Modbus Rtu Relay Board

2PCS N438B08 DC 12V Channel RS485 Modbus Rtu Relay Board

Relay Module 4 Channel DC 12V 24V Modbus RTU RS485 DO DIP Switch Setting Parameters with DIN Box Serial Port UART Switch Board

16 Channel DC 12V 24V Hardware Setup Parameters Modbus Rtu Multifunction RS485 Relay Module PLC HMI IO Expansion Board

16 Channel DC 12V 24V Hardware Setup Parameters Modbus Rtu Multifunction RS485 Relay Module PLC HMI IO Expansion Board

4 Channel DC 12V 24V Modbus RTU RS485 DO Relay Module DIP Switch Setting Parameters with DIN Box Serial Port UART Switch Board

R421A08 DC 12V 8 Channel RS485 Relay Module Modbus RTU Protocol 485 Remote Control Switch for PLC PTZ Camera Security Monitoring

Modbus RTU Relay Module DC 24V 1/2/4 Channel Digital Relay Switch DiDo Multifunction RS485 PLC IO Expanding Board Standard

RYR432D DC12/24V 20A 32 Channel RS485 Relay Module Multifunction Modbus RTU Switch PLC Remote IO Board with Install DIN Rail Box

RYR408B DC12V/24V 8 Channel DIP Switch Set Parameters RS485 Relay Board Modbus RTU PLC Remote IO Module​ with C35 Din Box

For Modbus RTU DC 12V 10A 16 Channel CH DIN Rail RS485 Relay Module Board with DIN Rail Box for PLC PTZ Camera Motor LED UM72

Industrial Grade RS485 Interface 5v 8 Channel Relay Module Board Modbus RTU, Isolation Circuit, TVs Adi Optocoupler

Huaqingjun 16-Channel DC12V/24V RS485 Communication Relay Module MODBUS RTU Remote Control for Home Automation

Aoshangming 32 Channel RS485+232 Relay Module Modbus Rtu DO Board 16A Relay for Remote Control

Huaqingjun 16-Channel RS485 232 Communication Relay Module RS485 Modbus RTU DO Module for Home Automation Control

Industrial Grade RS485 Interface 5v 8 Channel Relay Module Board Modbus RTU, Isolation Circuit, TVs Adi Optocoupler

Industrial Grade RS485 Interface 5v 8 Channel Relay Module Board Modbus RTU, Isolation Circuit, TVs Adi Optocoupler

Huaqingjun 20-Channel RS485 232 Communication Relay Module Modbus RTU for Smart Home Automation

Industrial Grade RS485 Interface 5v 8 Channel Relay Module Board Modbus RTU, Isolation Circuit, TVs Adi Optocoupler

Modbus-Rtu 8 Channel Relay Module Modbus RTU 8 Switch Input RS485 Communication TTL Durable Easy To Use

Huaqingjun 4-Channel RS485 Communication Relay Module RS485 Modbus RTU/232 DC24V IO Module for Sensor

Huaqingjun 16-Channel RS485 Communication Single Open Relay Module Modbus RTU Protocol for HMI

Huaqingjun 32-Channel RS485 Communication Single Open Relay Module PLC Expansion Modbus RTU Protocol for Remote Data Acquisition

Huaqingjun 4-Channel RS485 Communication Relay Module RS485 Modbus RTU/232 Relay Output Module for Greenhouse Control

Huaqingjun 8-Channel IO RS485+232+Ethernet DPDT Relay Module Modbus RTU/TCP LAN RJ45 Module for AC Contactors

Modbus-Rtu 8 Channel Relay Module Modbus RTU 8 Switch Input RS485 Communication TTL Durable Easy Install

Modbus-Rtu 8 Channel Relay Module Modbus RTU 8 Switch Input RS485 Communication TTL Easy Install Easy To Use

Huaqingjun Factory Wholesale 32-Channel RS485 Communication Relay Module Modbus RTU Protocol Remote Control DO Modules for PLC

Modbus-Rtu 8 Channel Relay Module Modbus RTU 8 Switch Input RS485 Communication TTL Easy Install Easy To Use

Huaqingjun 16-Channel RS485 Communication IO Relay Module DC12V/24V Modbus RTU for Alarm System

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