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Concentrators & Multiplexers

Shop the best prices on 626 great value concentrators & multiplexers. Shopping for concentrators & multiplexers is easy with Fruugo, with SALE discounts, offers and savings on MOXA, VERTIV, Asiv and more. Buy concentrators & multiplexers online safely with Fruugo, with secure payment and fast shipping to Ireland.

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1 - 32 of 626
USR-DR302 Din Rail Serial RS485 to Ethernet TCP IP Server Module Ethernet Converter Modbus RTU to Modbus TCP Unit
€26.95 Save €11.00 RRP: €37.95
MT-RS104 Active Serial RS232 Splitter 1 to 4 RS232 Bi-Direction Switcher Splitter 4 to 1 with Power Adapter-US Plug
€27.95 Save €19.00 RRP: €46.95
RS485 to Ethernet Converter Tiny Size Serial Server USR-DR134 Support TCP/UDP/HTTP/DHCP/DNSP Modbus TCP/RTU
€13.95 Save €6.00 RRP: €19.95
2.30V-5.5V PCA9546 4 Channel I2C Multiplexer Board for Stemma Qt/Qwiic Expandable Module For Multiple Sensory Networking Multicolor
€26.95
2X USR-DR302 Din Rail Serial RS485 to Ethernet TCP IP Server Module Ethernet Converter Modbus RTU to Modbus TCP Unit
€59.00 Save €20.00 RRP: €79.00
NA111-M RS485 to Ethernet Serial Server DC 8-28V RS485 RJ45 TCP/UDP MQTT Small Size Modbus Industrial Grade AT Support
€18.95 Save €10.00 RRP: €28.95
Elfin EW10A Serial Server Supports Multiple Network Protocols and Remote Management RS232 to WiFi
€17.95 Save €9.00 RRP: €26.95
Waveshare Industrial Isolated 4CH RS485 to POE ETH Ethernet Converter Support Modbus/MQTT/JSON Industrial DIN-Rail Design
€84.00 Save €45.00 RRP: €129.00
Serial Server RS485 to Ethernet Converter Modbus RTU Tiny
€18.95
2X Industrial Modbus Serial RS485 RS422 to Ethernet Converter Device Server TCP/RTU/UDP RJ45 to RS232+RS485 Connector
€43.95 Save €30.05 RRP: €74.00
DIN-Rail Serial Port RS485 to Ethernet Converter Server Protoss MQTT PE11-H Support Modbus TCP RTU
€30.95 Save €63.05 RRP: €94.00
Ethernet Converter RS232485422LORA Module LR100 Signal Converter Long Range Wireless PLC RS232/RS485/RS422
€99.00 Save €50.00 RRP: €149.00
Industrial Modbus Serial RS232 RS485 RS422 to Ethernet Converter
€22.95
unique Industrial Isolated 4CH RS485 to ETH Ethernet Converter
€114.00 Save €55.00 RRP: €169.00
Serial Port RS485 to WiFi Serial Device Server EW11A Support TCP/IP Telnet Modbus Protocol IOT Data Transfer Converter
€23.95
3 Channel Multiplexer Transmitter and Receiver(Black)
€84.00
Industrial Modbus TCP/IP Server RS485 to Ethernet Converter 600bps-921600bps
€59.00 Save €40.00 RRP: €99.00
1-to-8 Isolated RS485 Hub Splitter, Industrial Grade Optically Isolated Dual-Way Sharer
€84.00 Save €85.00 RRP: €169.00
Wall Mount RS485 to Ethernet Converter for Modbus Protocol Support
€50.95 Save €23.05 RRP: €74.00
DIN-Rail Serial Port RS485 to Ethernet Converter Server Protoss MQTT PE11-H Support Modbus TCP RTU
€29.95 Save €44.05 RRP: €74.00
Industrial Isolated RS485 to ETH (C) RJ45 Converter Wall/Rail-Mount for Modbus for Reliable Data Communication
€27.95
MBus to RS485 Ethernet Converter Modbus-TCP/MODBUS-RTU 500m Range Industrial Networking Solution
€64.00
Converter Optical Ethernet Media Converters Single Mode 10 TX to 100Base FX RJ45 to SC Fiber Transceiver
€43.95 Save €55.05 RRP: €99.00
3X Industrial Modbus Serial RS232 RS485 RS422 to Ethernet Converter Device Server RTU RJ45 to RS232+
€59.00 Save €120.00 RRP: €179.00
2026 Suitable 3X Industrial Modbus Serial RS232 RS485 RS422 to Ethernet Converter Device Server RTU RJ45 to RS232+
€54.00 Save €75.00 RRP: €129.00
2026 Suitable 3X Industrial Modbus Serial RS232 RS485 RS422 to Ethernet Converter Device Server RTU RJ45 to RS232+
€54.00 Save €30.00 RRP: €84.00
Industrial Isolated 4CH RS485 to POE ETH Ethernet Converter 25-26
€79.00 Save €80.00 RRP: €159.00
HF-5122 Dual Serial Port to Ethernet RS232 / RS485 / RS422 Serial Server 5 - 36VDC
€149.00 Save €80.00 RRP: €229.00
Industrial-grade 1 to 8 RS485 Hub Dual-way Communication RS485 Drive Free SZRH A-C
€69.00
Industrial Isolated RS232/485/422 to RJ45 Ethernet Module IP to Serial Module Rail Type Serial Serv
€54.95 Save €84.05 RRP: €139.00
8-Channel Multiplexer / Hub Support 3.3V/5V System Multiple Devices with the Same Address 8 Grove Port 8x2cm
€24.95
8 Channel RS485 Opto-Isolated Serial Port Hub Support 32 Nodes Half-Duplex Transparent Transmission
€42.95