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Concentrators & Multiplexers

Shop the best prices on 1,309 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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353 - 384 of 1,309
1pc R401H-1B RS485 Optically Isolated Serial Hub with Half-Duplex Transparent Transmission and 32 Nodes,RS485 Serial Hub
From £22.95
RS232 Serial Port Server to Network Port Module Transparent Transmission RS232 Modbus Gateway Rail E300
From £21.95
Industrial Isolated 4CH RS485 to POE ETH Ethernet Converter Support Modbus/MQTT/JSON Industrial DIN-Rail Design
From £64.00
1 to 2 Way RS485 Relay DC8-28V RS485 Hub P oelectric Isolation One Hub to Multi Hub E810-R12 ESD Protection
From £17.95
2025 Fonken 3 In 2 USB C HUB 2.0 Type C 3 Port Multi Splitter Adapter OTG USB Power Adapter For Macbooks Pro PC Laptop USB Port Extender Hub
From £10.95
WIFI Module Wireless Device for SP HGS ECO Solar Hybrid Inversor Remote Monitoring Hybrid Solar Inverter
From £22.95
DIN-Rail RS485 Serial Port to Ethernet Converter Server IOT Device USR-DR302 Support Modbus EU Plug
From £29.95
Mini Serial Server for RS485 to Ethernet Conversion, Supports Multiple Protocols including TCP/UDP/HTTP/DHCP/DNSP and Modbus TCP/RTU
From £15.95
Professional 4 Channel RS485 Indication Increaser With 12Mbps Blue green Rhythm Resistant ABS Housing Multicolor
From £54.00
DIN-Rail Serial Port RS485 to Ethernet Converter Server Protoss MQTT PE11-H Support Modbus TCP RTU,z
From £43.95
8 Channel RS485 Opto-Isolated Serial Port Hub Support 32 Nodes Half-Duplex Transparent Transmission
From £33.95
DTECH IOT9031 RS232/485/422 To TCP 3 In 1 Serial Server, CN Plug
From £89.00
RJ45 Ethernet WiFi to RS232 RS485 Duplex Transmission Serial Device Server Converter EU Plug
From £59.00
Industrial Isolated 4CH RS485 to POE ETH Ethernet Converter Support Modbus/MQTT/JSON Industrial DIN
From £59.00
TTL UART Serial to Ethernet Module Converter USR-K5 IOTDeviceSerial Port Server Serial Port Networking Communication
From £17.95
For APC Male and for APC Female Adjustable Fiber Attenuator 1-30dB 1310nm /1550nm SC Mechanical Flange Adapter Special
From £12.95
WIFI Module Wireless Device for SP HGS ECO Solar Hybrid Inversor Remote Monitoring Hybrid Solar Inverter
From £24.95
8-Channel I2C Multiplexer / Hub Support 3.3V/5V System Multiple Devices with the Same I2C Address 8 Grove I2C Port 8x2cm
From £18.95
RS485 to Ethernet Converter Tiny Size Serial Server USR-DR134 Support TCP/UDP/HTTP/DHCP/DNSP Modbus TCP/RTU
From £13.95
DIN-Rail RS485 Serial Port to Ethernet Converter Server IOT Device USR-DR302 Support Modbus EU Plug
From £28.95
1pc R401H-1B RS485 Optically Isolated Serial Hub with Half-Duplex Transparent Transmission and 32 Nodes,RS485 Serial Hub
From £22.95
RS485 to Ethernet Converter Tiny Size Serial Server USR-DR134 Support TCP/UDP/HTTP/DHCP/DNSP Modbus TCP/RTU
From £14.95
Industrial RS485 to WIFI/Ethernet Module Modbus MQTT Gateway DC5-36V Rail-Mount Serial Server
From £49.95
RS485 to Ethernet Converter Tiny Size Serial Server USR-DR134 Support TCP/UDP/HTTP/DHCP/DNSP Modbus TCP/RTU
From £17.95
3X Industrial Modbus Serial RS232 RS485 RS422 to Ethernet Converter Device Server RTU RJ45 to RS232+
From £94.00
Industrial 2 Serial RS232/ RS485 to 410s WIFI/Ethernet Two-way Transparent Transmission Server Modbus Multicolor
From £94.00
4 Channel RS485 Indication Increaser With Streak Security and Commercial ABS Housing for 1200M Extent Multicolor
From £54.00
SC/UPC Fiber Optic Splitter Box PLC Splitter ABS Box Fiber Optical Splitter Fiber Optic Splitter Box 1/2
From £2.95
RS485 to Ethernet Converter Tiny Size Serial Server USR-DR134 Support TCP/UDP/HTTP/DHCP/DNSP Modbus TCP/RTU
From £16.95
2026 Suitable Modbus Serial Port RS485 To Ethernet Converter Server
From £10.95
8 Port Serial Device Server Converter Ethernet to RS232/422/485 Support VCOM/TCP Server/ TCP Client/UDP Industrial Grade
From £149.00
Elfin EW10A Serial Server Supports Multiple Network Protocols and Remote Management RS232 to WiFi
From £19.95