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Concentrators & Multiplexers

Shop the best prices on 652 great value concentrators & multiplexers. Shopping for concentrators & multiplexers is easy with Fruugo, with SALE discounts, offers and savings on Funxun and Asiv. Buy concentrators & multiplexers online safely with Fruugo, with secure payment and fast shipping to Australia.

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1 - 32 of 652
USR-DR302 Din Rail Serial RS485 to Ethernet TCP IP Server Module Ethernet Converter Modbus RTU to Modbus TCP Unit
$38.95 Save $20.05 RRP: $59.00
MT-RS104 Active Serial RS232 Splitter 1 to 4 RS232 Bi-Direction Switcher Splitter 4 to 1 with Power Adapter-US Plug
$38.95 Save $30.05 RRP: $69.00
RS485 to Ethernet Converter Tiny Size Serial Server USR-DR134 Support TCP/UDP/HTTP/DHCP/DNSP Modbus TCP/RTU
$19.95 Save $9.00 RRP: $28.95
2.30V-5.5V PCA9546 4 Channel I2C Multiplexer Board for Stemma Qt/Qwiic Expandable Module For Multiple Sensory Networking Multicolor
$37.95
2X USR-DR302 Din Rail Serial RS485 to Ethernet TCP IP Server Module Ethernet Converter Modbus RTU to Modbus TCP Unit
$84.00 Save $35.00 RRP: $119.00
NA111-M RS485 to Ethernet Serial Server DC 8-28V RS485 RJ45 TCP/UDP MQTT Small Size Modbus Industrial Grade AT Support
$26.95 Save $14.00 RRP: $40.95
Elfin EW10A Serial Server Supports Multiple Network Protocols and Remote Management RS232 to WiFi
$24.95 Save $13.00 RRP: $37.95
Waveshare Industrial Isolated 4CH RS485 to POE ETH Ethernet Converter Support Modbus/MQTT/JSON Industrial DIN-Rail Design
$119.00 Save $70.00 RRP: $189.00
Serial Server RS485 to Ethernet Converter Modbus RTU Tiny
$25.95
2X Industrial Modbus Serial RS485 RS422 to Ethernet Converter Device Server TCP/RTU/UDP RJ45 to RS232+RS485 Connector
$59.00 Save $40.00 RRP: $99.00
DIN-Rail Serial Port RS485 to Ethernet Converter Server Protoss MQTT PE11-H Support Modbus TCP RTU
$46.95 Save $92.05 RRP: $139.00
Ethernet Converter RS232485422LORA Module LR100 Signal Converter Long Range Wireless PLC RS232/RS485/RS422
$139.00 Save $70.00 RRP: $209.00
Serial Port RS485 to WiFi Serial Device Server EW11A Support TCP/IP Telnet Modbus Protocol IOT Data Transfer Converter
$32.95
3 Channel Multiplexer Transmitter and Receiver(Black)
$139.00
RS485 to Ethernet Serial Port Server Modbus IP 600bps-921600bps Industrial IoT Communication Server
$34.95 Save $104.05 RRP: $139.00
Industrial Modbus TCP/IP Server RS485 to Ethernet Converter 600bps-921600bps
$94.00 Save $65.00 RRP: $159.00
1-to-8 Isolated RS485 Hub Splitter, Industrial Grade Optically Isolated Dual-Way Sharer
$119.00 Save $110.00 RRP: $229.00
Wall Mount RS485 to Ethernet Converter for Modbus Protocol Support
$74.00 Save $30.00 RRP: $104.00
DIN-Rail Serial Port RS485 to Ethernet Converter Server Protoss MQTT PE11-H Support Modbus TCP RTU
$42.95 Save $61.05 RRP: $104.00
Industrial Isolated RS485 to ETH (C) RJ45 Converter Wall/Rail-Mount for Modbus for Reliable Data Communication
$40.95
MBus to RS485 Ethernet Converter Modbus-TCP/MODBUS-RTU 500m Range Industrial Networking Solution
$89.00
Converter Optical Ethernet Media Converters Single Mode 10 TX to 100Base FX RJ45 to SC Fiber Transceiver
$74.00 Save $85.00 RRP: $159.00
3X Industrial Modbus Serial RS232 RS485 RS422 to Ethernet Converter Device Server RTU RJ45 to RS232+
$89.00 Save $170.00 RRP: $259.00
2026 Suitable 3X Industrial Modbus Serial RS232 RS485 RS422 to Ethernet Converter Device Server RTU RJ45 to RS232+
$74.00 Save $115.00 RRP: $189.00
2026 Suitable 3X Industrial Modbus Serial RS232 RS485 RS422 to Ethernet Converter Device Server RTU RJ45 to RS232+
$79.00 Save $50.00 RRP: $129.00
HF-5122 Dual Serial Port to Ethernet RS232 / RS485 / RS422 Serial Server 5 - 36VDC
$219.00 Save $190.00 RRP: $409.00
MT-RS104 Active Serial RS232 Splitter 1 to 4 RS232 Bi-Direction Switcher Splitter 4 to 1 with Power
$84.00 Save $85.00 RRP: $169.00
Elfin EW10A Serial Server Supports Multiple Network Protocols and Remote Management RS232 to WiFi
$17.95 Save $18.00 RRP: $35.95
DIN-Rail RS485 to Ethernet Converter with MQTT & Modbus RTU Support
$99.00 Save $100.00 RRP: $199.00
Industrial-grade 1 to 8 RS485 Hub Dual-way Communication RS485 Drive Free SZRH A-C
$99.00
8-Channel Multiplexer / Hub Support 3.3V/5V System Multiple Devices with the Same Address 8 Grove Port 8x2cm
$33.95
8 Channel RS485 Opto-Isolated Serial Port Hub Support 32 Nodes Half-Duplex Transparent Transmission
$69.00