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DC 12V/24V 20CH Multifunction RS485 Relay Board 20do 2di 2ai PLC Io Expanding Module Modbus RTU 4-20mA 0-10V Relay Module

DC 12V/24V 20CH Multifunction RS485 Relay Board 20do 2di 2ai PLC Io Expanding Module Modbus RTU 4-20mA 0-10V Relay Module

US $ 23-25 / pieces FOB
20 pieces (MOQ)
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Shenzhen Tianhehuijin Tech Ltd

Trading Company

Guangdong, China Since 2025
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4-20mA/0-2.5V /0-20mA to Modbus TCP Rj-45 Current Input/Voltage Input Data Acquisition Module

4-20mA/0-2.5V /0-20mA to Modbus TCP Rj-45 Current Input/Voltage Input Data Acquisition Module

US $ 105-105.99 / Piece FOB
2 Pieces (MOQ)
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Shenzhen Weijunrui Technology Co.,Ltd

Guangdong, China Since 2025
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Htw-Ew002 Touch Screen Pad WiFi Modbus Split Thermostat Display Part+Relay Module for Hotel HVAC System

Htw-Ew002 Touch Screen Pad WiFi Modbus Split Thermostat Display Part+Relay Module for Hotel HVAC System

US $ 52 / Piece FOB
100 Pieces (MOQ)
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Hotowell Technology (Xiamen) Co., Ltd.

Fujian, China Since 2016
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433m 868m Multifunctional Wireless RS485 Bus RF Serial Port Uart Transceiver Module DTU for PTZ Camera PLC Modbus Rtuntrol

433m 868m Multifunctional Wireless RS485 Bus RF Serial Port Uart Transceiver Module DTU for PTZ Camera PLC Modbus Rtuntrol

20 pieces (MOQ)
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Shenzhen Tianhehuijin Tech Ltd

Trading Company

Guangdong, China Since 2025
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Modbus TCP Edge I/O RS485 Data Acquisition Module BL190

Modbus TCP Edge I/O RS485 Data Acquisition Module BL190

US $ 40-120 / Piece FOB
2 Pieces (MOQ)
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Shenzhen Beilai Technology Co., Ltd.

Guangdong, China Since 2023
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High-Value Expansion I/O Module for Modbus with Easy Installation

High-Value Expansion I/O Module for Modbus with Easy Installation

US $ 49-199 / Piece FOB
1 Piece (MOQ)
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Nanjing Decowell Automation Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2023
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Devicenet Ethernet Digital PLC Modbus TCP RTU Io Board Module

Devicenet Ethernet Digital PLC Modbus TCP RTU Io Board Module

US $ 190-285 / Piece FOB
1 Piece (MOQ)
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Kunshan Svl Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2022
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Lot Lora Wireless Data Transmitter and Receiver Communication Module

Lot Lora Wireless Data Transmitter and Receiver Communication Module

US $ 50-75 / Piece FOB
2 Pieces (MOQ)
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Jiangsu Sfere Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2023
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0-10V/4-20mA/0-20mA/0-10m Modbus TCP Network Data Acquisition Module

0-10V/4-20mA/0-20mA/0-10m Modbus TCP Network Data Acquisition Module

US $ 105.3-105.99 / Piece FOB
2 Pieces (MOQ)
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Shenzhen Weijunrui Technology Co.,Ltd

Guangdong, China Since 2025
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High-Speed Advanced Di Counter Module for Modbus RTU Systems

High-Speed Advanced Di Counter Module for Modbus RTU Systems

US $ 36.99-55.99 / Piece FOB
2 Pieces (MOQ)
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Shenzhen Weijunrui Technology Co.,Ltd

Guangdong, China Since 2025
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13.56MHz RFID Reader Module RS485 Modbus RTU

13.56MHz RFID Reader Module RS485 Modbus RTU

US $ 7.9-32 / Piece FOB
1 Piece (MOQ)
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Shenzhen Tesike Electronic Co., Ltd.

Guangdong, China Since 2019
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Modbus RTU Agreement 12V 32channel RS485 Relay Module for Arduino Control

Modbus RTU Agreement 12V 32channel RS485 Relay Module for Arduino Control

US $ 35-37 / Piece FOB
50 Pieces (MOQ)
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Shenzhen Chengsuchuang Technology Co., Ltd.

Guangdong, China Since 2024
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RS232/RS485 Modbus RTU to 4-20mA/0-20mA/0-5V/0-10V Analog Signals Modules

RS232/RS485 Modbus RTU to 4-20mA/0-20mA/0-5V/0-10V Analog Signals Modules

US $ 55.5-66.5 / Piece FOB
1 Piece (MOQ)
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Shenzhen Sunyuan Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2012
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DC12V-24V 23ioa08 8CH NPN/PNP Input& 8CH NPN 300mA Solid State Relay Output Modbus RTU RS485 Io Module

DC12V-24V 23ioa08 8CH NPN/PNP Input& 8CH NPN 300mA Solid State Relay Output Modbus RTU RS485 Io Module

US $ 6.5-27.5 / pieces FOB
20 pieces (MOQ)
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Shenzhen Tianhehuijin Tech Ltd

Trading Company

Guangdong, China Since 2025
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Smart Mqtt Modbus TCP Temperature and Humidity Sensor Module

Smart Mqtt Modbus TCP Temperature and Humidity Sensor Module

US $ 9.9-11.98 / Piece FOB
2 Pieces (MOQ)
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Shenzhen Weijunrui Technology Co.,Ltd

Guangdong, China Since 2025
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Advanced PT100/PT1000 Modbus TCP and Mqtt WiFi Acquisition Module

Advanced PT100/PT1000 Modbus TCP and Mqtt WiFi Acquisition Module

US $ 12.99-14.99 / Piece FOB
2 Pieces (MOQ)
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Shenzhen Weijunrui Technology Co.,Ltd

Guangdong, China Since 2025
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Di Input Supports PNP and NPN Inputs 20 Way Di High-Speed Counter Modbus RTU Module

Di Input Supports PNP and NPN Inputs 20 Way Di High-Speed Counter Modbus RTU Module

US $ 74.55-75.99 / Piece FOB
2 Pieces (MOQ)
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Shenzhen Weijunrui Technology Co.,Ltd

Guangdong, China Since 2025
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Ntc Resistor Input Ntc100K Ntc10K Ntc1K Network Modbus Tcpand Mqtt Data Acquisition Module

Ntc Resistor Input Ntc100K Ntc10K Ntc1K Network Modbus Tcpand Mqtt Data Acquisition Module

US $ 22.55-22.99 / Piece FOB
2 Pieces (MOQ)
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Shenzhen Weijunrui Technology Co.,Ltd

Guangdong, China Since 2025
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Acquisition Adam-4015 6-Channel Rtd Modbus Acquisition Module

Acquisition Adam-4015 6-Channel Rtd Modbus Acquisition Module

1 Piece (MOQ)
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XINGTECH CO., LTD.

Manufacturer/Factory & Trading Company

Beijing, China Since 2016
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Advanced Modbus RTU to WiFi Converter Module for RS232/485

Advanced Modbus RTU to WiFi Converter Module for RS232/485

US $ 10.98-12.98 / Piece FOB
2 Pieces (MOQ)
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Shenzhen Weijunrui Technology Co.,Ltd

Guangdong, China Since 2025
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PT100 to RS-485 Temperature Sensor Modbus Data Module

PT100 to RS-485 Temperature Sensor Modbus Data Module

US $ 22.55-22.99 / Piece FOB
2 Pieces (MOQ)
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Shenzhen Weijunrui Technology Co.,Ltd

Guangdong, China Since 2025
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Isolated RS485 Data Acquisition Module Modbus RTU Communication Converter 0-10V Analog to Digital Signal

Isolated RS485 Data Acquisition Module Modbus RTU Communication Converter 0-10V Analog to Digital Signal

US $ 49-120 / Piece FOB
1 Piece (MOQ)
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Huaibei Huadian Automation Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Anhui, China Since 2020
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Phm-7730 Ex. Modbus RTU Protocol Three-Channel Temperature Quantity Input Module Converter

Phm-7730 Ex. Modbus RTU Protocol Three-Channel Temperature Quantity Input Module Converter

US $ 259-299 / Piece FOB
1 Piece (MOQ)
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Beijing Pinghe Chuangye Technology Development Co., Ltd.

Manufacturer/Factory & Trading Company

Beijing, China Since 2023
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About Modbus Module Factory FAQ

  • QWhat components are essential in an electrical control system?

    The Modbus Module Factory is a key item within our extensive Electrical Control System selection.In an electrical control system, essential components include power supplies, relays, circuit breakers, and controllers. These components work together to regulate and monitor electrical processes and machinery, ensuring efficiency and safety.

  • QWhy should I consider purchasing electrical control systems wholesale?

    The Modbus Module Factory is a premium choice in the Electrical Control System category.Buying electrical control systems wholesale offers cost savings, bulk purchasing benefits, and the option for customized solutions. By purchasing in bulk, you can ensure timely availability for your projects and access premium products from trusted suppliers.

  • QHow can I identify a reliable supplier for electrical control systems from China?

    Upgrade your Electrical Control System with the elegant and durable Modbus Module Factory.To find a reliable supplier in China, conduct thorough research, check certifications and reviews, and request product specifications and samples. Partnering with a reputable supplier guarantees quality products and after-sales support for your projects.

Advanced 8-Way Do Module for Modbus RTU Communication

Advanced 8-Way Do Module for Modbus RTU Communication

US $ 55.98-56.98 / Piece FOB
2 Pieces (MOQ)
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Audited Supplier
Shenzhen Weijunrui Technology Co.,Ltd

Guangdong, China Since 2025
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Modbus RTU Remote Io Communication Module

Modbus RTU Remote Io Communication Module

US $ 149.1 / Piece FOB
1 Piece (MOQ)
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Changzhou ZERO Intelligent Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2024
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Modbus TCP Remote IO Communication Module

Modbus TCP Remote IO Communication Module

US $ 49-199 / Piece FOB
1 Piece (MOQ)
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Nanjing Decowell Automation Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2023
Chat Now Send Inquiry
RS485 Ethernet Analog Input Scada Modbus RTU Temperature Data Acquisition Module

RS485 Ethernet Analog Input Scada Modbus RTU Temperature Data Acquisition Module

US $ 163-219 / pcs FOB
1 pcs (MOQ)
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Shenzhen Toprie Electronics Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
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BMECRA31210 Compact Ethernet Module with Modbus TCP/IP Protocol

BMECRA31210 Compact Ethernet Module with Modbus TCP/IP Protocol

US $ 9,999 / Piece FOB
1 Piece (MOQ)
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Beijing Zhongping Technology Co., Ltd.

Trading Company

Beijing, China Since 2025
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Pulse Signal Conversion Measure PWM to Modbus RTU Conversion Remote I/O Module

Pulse Signal Conversion Measure PWM to Modbus RTU Conversion Remote I/O Module

US $ 13.11-13.99 / Piece FOB
2 Pieces (MOQ)
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Shenzhen Weijunrui Technology Co.,Ltd

Guangdong, China Since 2025
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Mochuan Drives HMI Dayled Daylight Design Device Display 7inch RS485 Ethernet LED Modbus Touch Screen Module

Mochuan Drives HMI Dayled Daylight Design Device Display 7inch RS485 Ethernet LED Modbus Touch Screen Module

US $ 155-170 / Piece FOB
1 Piece (MOQ)
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Wuxi Mochuan Drives Technology Co., Ltd

Jiangsu, China Since 2022
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4-20mA to RS485 Modbus 4-20mA Data Acquisition I/O Modules

4-20mA to RS485 Modbus 4-20mA Data Acquisition I/O Modules

US $ 49-120 / Piece FOB
1 Piece (MOQ)
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Huaibei Huadian Automation Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Anhui, China Since 2020
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16 Channel 4-20mA to Modbus TCP Network Data Acquisition Module

16 Channel 4-20mA to Modbus TCP Network Data Acquisition Module

US $ 85.99-89.99 / Piece FOB
2 Pieces (MOQ)
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Shenzhen Weijunrui Technology Co.,Ltd

Guangdong, China Since 2025
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Advantech Adam-3600-C2gl-1A1e Industrial Modbus I/O Modules

Advantech Adam-3600-C2gl-1A1e Industrial Modbus I/O Modules

US $ 613 / Piece FOB
1 Piece (MOQ)
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Beijing Zhongping Technology Co., Ltd.

Trading Company

Beijing, China Since 2025
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Encoder Counter or Speed Measurement Angular Velocity Displacement Measurement, Modbus RTU Module

Encoder Counter or Speed Measurement Angular Velocity Displacement Measurement, Modbus RTU Module

US $ 66.66-66.99 / Piece FOB
2 Pieces (MOQ)
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Shenzhen Weijunrui Technology Co.,Ltd

Guangdong, China Since 2025
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Multi-Protocol Remote I/O Module Analog Input Digital Output Modbus/Ethercat Support-Space-Saving Industrial Solution for Global

Multi-Protocol Remote I/O Module Analog Input Digital Output Modbus/Ethercat Support-Space-Saving Industrial Solution for Global

US $ 38.9 / Piece FOB
1 Piece (MOQ)
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Beijing Pinghe Chuangye Technology Development Co., Ltd.

Manufacturer/Factory & Trading Company

Beijing, China Since 2023
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Advantech Adam 4055 16-CH Isolated Digital I/O Module with Modbus

Advantech Adam 4055 16-CH Isolated Digital I/O Module with Modbus

1 Piece (MOQ)
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XINGTECH CO., LTD.

Manufacturer/Factory & Trading Company

Beijing, China Since 2016
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