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Concentrators & Multiplexers

Shop the best prices on 424 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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97 - 128 of 424
HF-5122 Dual Serial Port to Ethernet RS232 / RS485 / RS422 Serial Server 5 - 36VDC
$239.00 Save $200.00 RRP: $439.00
Ports RS232 Switch DB9 Pin COM Port Sharer 4 in 1 Out Serial Port Sharing Device Button Switch
$21.95 Save $11.00 RRP: $32.95
Industrial Serial Server RS485 To RJ45 Ethernet TCPIP To Serial Rail Mount Support for Data Acquisition Communication Multicolor
$119.00
Multiple Port RS485 Communication Center With Constructed In Electrical Isolation for Stable Remote Data Transfer Multicolor
$109.00
2025 RS485 to Ethernet Converter Tiny Size Serial Server -DR134
$46.95 Save $47.05 RRP: $94.00
2025 Usr-dr302 Din Rail Serial Rs485 To Ethernet Tcp Ip Server Module
$64.00 Save $65.00 RRP: $129.00
RS485 To Ethernet Serial Port Server Modbus IP Gateway Industrial IoT 600bps921600bps
$69.00 Save $30.00 RRP: $99.00
Smart Hub Controller 8-Channel Concentrator 220V with LED Indicators for Underfloor Heating System Air Conditioner Temperature Controller Gas Boiler
$99.00 Save $80.00 RRP: $179.00
DIN-Rail Serial Port RS485 to Ethernet Converter Server Protoss MQTT PE11-H Support Modbus RTU
$104.00 Save $65.00 RRP: $169.00
An to Ethernet Protocol Converter CDSENET ECAN-E01S CAN 2.0 Relay 2 Way CAN BUS TCP UDP 8-28V RJ45
$79.00 Save $40.00 RRP: $119.00
DIN-Rail Serial Port RS485 to Ethernet Converter Server Protoss MQTT PE11-H Support Modbus RTU
$94.00 Save $65.00 RRP: $159.00
Modbus IP RS485 to Ethernet Industrial IoT Server 600bps-921600bps
$59.00 Save $25.00 RRP: $84.00
Single Port MQTT Networking Server RS485 Ethernet Converter Industrial Aluminum Housing Networking Communication Device Multicolor
$84.00
Network Serial Server for RS485 to Ethernet Compact Converter
$64.00 Save $85.00 RRP: $149.00
USR-TCP232-302 RS232 to Ethernet Converter Support DHCP/DNS
$74.00 Save $65.00 RRP: $139.00
Industrial Isolated RS232/485/422 to RJ45 Ethernet Module IP to Serial Module Rail Type Serial Serv
$84.00 Save $115.00 RRP: $199.00
For Dinrail Serial Port Rs485 To Ethernet Converter Server
$119.00 Save $130.00 RRP: $249.00
8-Channel Multiplexer / Hub Support 3.3V/5V System Multiple Devices with the Same Address 8 Grove Port 8x2cm
$37.95
Industrial Isolated 4CH RS485 to ETH Converter, Support Modbus/MQTT/JSON, for Industrial Use -LL
$189.00 Save $150.00 RRP: $339.00
Ethernet Serial Server for RS485 Converter with DR134 Model
$69.00 Save $80.00 RRP: $149.00
8-Port RS232 RS485 RS422 to Fiber Converter Bidirectional Modem EU Plug for 128 Devices
$119.00
Ethernet to RS485 Converter DR134 Compact Serial Device Server
$47.95 Save $26.05 RRP: $74.00
2.30V-5.5V PCA9546 4 Channel I2C Multiplexer Board for Stemma Qt/Qwiic Expandable Module For Multiple Sensory Networking Multicolor
$41.95
Sensory Networking 4 Channel I2C Splitter Board 2.30V-5.5V PCA9546 4 Channel I2C Multiplexer Hot Swappable for Stemma Qt Multicolor
$41.95
Wireless Serial Server RS485 to Ethernet to Serial Communication Networking Transmission Aluminum Enclosure For MQTT Multicolor
$84.00
MBus to Ethernet Converter Modbus-TCP/MODBUS-RTU 500m Range Industrial Networking Solution
$139.00 Save $140.00 RRP: $279.00
10X RS485 to Ethernet Converter Tiny Size Serial Server -DR134 Support UDP/HTTP/DHCP/DNSP Modbus RTU
$259.00 Save $170.00 RRP: $429.00
2X -DR302 Din Rail Serial RS485 to Ethernet IP Server Module Ethernet Converter Modbus RTU to Modbus
$99.00 Save $70.00 RRP: $169.00
Professional 4 Channel RS485 Indication Increaser With 12Mbps Blue green Rhythm Resistant ABS Housing Multicolor
$109.00
High Performances CAN FD to Ethernet Protocol Converter 5Conversion Types Modbus Compatibility Wide Temperature Ranges Multicolor
$169.00
RJ45 to RS232 Single Serial Server PluG in RS232 to TCP/IP Converter
$54.00 Save $20.00 RRP: $74.00
8-Channel Multiplexer / Hub Support 3.3V/5V System Multiple Devices with the Same Address 8 Grove Port 8x2cm
$32.95 Save $13.00 RRP: $45.95