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Concentrators & Multiplexers

Shop the best prices on 1,151 great value concentrators & multiplexers. Shopping for concentrators & multiplexers is easy with Fruugo, with SALE discounts, offers and savings on MOXA, Funxun, ZPE Systems and more. Buy concentrators & multiplexers online safely with Fruugo, with secure payment and fast shipping to United Kingdom.

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33 - 64 of 1,151
8 Channel RS485 Opto-Isolated Serial Port Hub Support 32 Nodes Half-Duplex Transparent Transmission
From £32.95
MBus to RS485 Ethernet Converter Modbus-TCP/MODBUS-RTU 500m Range Industrial Networking Solution
From £54.00
RS485 Hub 8 Port Photoelectric Isolation Industrial Splitter with Surge Protection and Wide Temp
From £89.00
3X RS485 to Ethernet Converter Tiny Size Serial Server USR-DR134 Support TCP/UDP/HTTP/DHCP/DNSP Modbus TCP/RTU
From £41.95
8 Channel RS485 Opto-Isolated Serial Port Hub Support 32 Nodes Half-Duplex Transparent Transmission
From £32.95
2025 RS485 Serial Port Server RS485 to RJ45 Ethernet TCP/IP to Serial Port Module Rail Type Serial Port
From £59.00
8-Channel Multiplexer / Hub Support 3.3V/5V System Multiple Devices with the Same Address 8 Grove Port 8x2cm
From £19.95
8 Channel RS485 -Isolated Serial Port Hub Support 32 Nodes Half-Duplex Transparent Transmission
From £36.95
2025 RS485 to Ethernet Converter Tiny Size Serial Server -DR134
From £22.95
3X Industrial Modbus Serial RS232 RS485 RS422 to Ethernet Converter Device Server TCP/RTU RJ45 to RS232+RS485 Connector
From £54.00
2X Throwing Star LAN Tap Network Packet Capture Module Replica Monitoring Ethernet Communication Passive Ethernet
From £7.95
5X Modbus Wifi Serial Server Rs485 to Wifi Rail Type Wireless Network Communication Rtu Module Mqtt Gateway
From £94.00
ET69C02 Ethernet Network IP RJ45 to RS485 Bus Converter for Modbus RTU Master Slave Client Server MQTT PLC
From £10.95
USR-TCP232-302 RS232 to Ethernet Converter Support DHCP/DNS
From £28.95
3X LAN Ethernet RJ45 TCP/IP WEB Remote Control Board with 4 Channels Relay UDP W5500 Networking Controller
From £64.00
RS485/232/422 to Ethernet Serial Server Modbus Gateway CDSENT NE2-D14PE POE Power Signal Isolation for TCP UDP MQTT HTTP
From £29.95
Industrial 2 Way Cache Type RS485 to 1way RS485 Hub DC 9-40V Optical Isolation Multi to One Hub E810
From £26.95
Rail-Mount RS485 to Ethernet Converter for Stable Modbus Data Transfer
From £109.00
2X Industrial Modbus Serial RS485 RS422 to Ethernet Converter Device Server TCP/RTU/UDP RJ45 to RS232+RS485 Connector
From £34.95
MultiPort RS485 Hub Splitter 8 Or 16 Way Expansion Hub Plugs And Play Installation For Long Distances Control Systems Multicolor
From £23.95
M5Stack PaHub V2.1 Unit I2C Multiplexer IoT Development Kit I2C Bus 1 in 6 Expansion on-Board Dipswitch PCA9548AP
From £15.95
5X Modbus Wifi Serial Server Rs485 to Wifi Rail Type Wireless Network Communication Rtu Module Mqtt Gateway
From £99.00
2026 Suitable 3X Industrial Modbus Serial RS232 RS485 RS422 to Ethernet Converter Device Server RTU RJ45 to RS232+
From £40.95
Sensory Networking 4 Channel I2C Splitter Board 230V-55V PCA9546 4 Channel I2C Multiplexer Hot Swappable for Stemma Qt Multicolor
From £64.00
DIN-Rail Serial Port RS485 to Ethernet Converter Server Protoss MQTT PE11-H Support Modbus RTU
From £84.00
Wireless Serial Server RS485 to Ethernet to Serial Communication Networking Transmission Aluminum Enclosure For MQTT Multicolor
From £129.00
Aluminum RS485 To Ethernet Serial Port Server 2400Bps-460800Bps Industrial Communication Server Device Accessories Multicolor
From £119.00
Industrial Isolated 4CH RS485 to POE ETH Ethernet Converter 25-26
From £64.00
MT-RS104 Active Serial RS232 Splitter 1 to 4 RS232 Bi-Direction Switcher Splitter 4 to 1 w
From £46.95
Industrial Isolated RS485 to ETH (C) RJ45 Converter Wall/Rail-Mount for Modbus for Reliable Data Co
From £33.95
Media Converter Fiber to Ethernet Converter 10M 100M RJ45 Port to 100Base Multimode Fiber Media Converter 100?240V US Plug
From £14.95
Elfin EW10A Serial Server Supports Multiple Network Protocols and Remote Management RS232 to WiFi
From £12.95