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Shop the best prices on 1,293 great value concentrators & multiplexers. Shopping for concentrators & multiplexers is easy with Fruugo, with SALE discounts, offers and savings on Maikaisen. Buy concentrators & multiplexers online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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225 - 256 of 1,293
Ethernet Port Expander: 1 to 2/3/4 RJ45 Adapter for Multi-Device Networking and Enhanced Data Speed
From $79.00
MT-RS104 Active Serial RS232 Splitter 1 to 4 RS232 Bi-Direction Switcher Splitter 4 to 1 with Power Adapter-EU Plug Edition 0120
From $54.00
8-Port RS232 RS485 RS422 to Fiber Converter Bidirectional Modem EU Plug for 128 Devices
From $129.00
Dual Port RS232 RS485 RS422 to Ethernet TCP IP Adapter 10/100Mbps RJ45 EU Plug
From $199.00
1pc R401H-1B RS485 Optically Isolated Serial Hub with Half-Duplex Transparent Transmission and 32 Nodes,RS485 Serial Hub
From $54.00
3X MT-RS104 Active Serial RS232 Splitter 1 to 4 RS232 Bi-Direction Switcher Splitter 4 to 1 with Power Adapter-US Plug
From $279.00
RS485 to Ethernet Converter Tiny Size Serial Server USR-DR134 Support TCP/UDP/HTTP/DHCP/DNSP Modbus TCP/RTU
From $26.95
1-to-8 Isolated RS485 Hub Splitter Industrial Grade Optically Isolated Dual-Way Sharer
From $459.00
Dual RS485 to RJ45 Ethernet Modules Serial Server Dual Network Port for Industrial Data Acquisition Multifunctional Multicolor
From $189.00
Sensory Networking 4 Channel I2C Splitter Board 2.30V-5.5V PCA9546 4 Channel I2C Multiplexer Hot Swappable for Stemma Qt Multicolor
From $48.95
ET69C02 Ethernet Network IP RJ45 to RS485 Bus Converter for Modbus RTU Master Slave Client Server MQTT PLC
From $30.95
Industrial Modbus Serial RS232 RS485 RS422 to Ethernet Converter Device Server TCP/RTU/UDP RJ45 to RS232+RS485 Connector
From $43.95
Ethernet Industrial Serial Server Rs485 To Rj45 Ethernet Module Tcpip To Serial Support Rail Mount Communication Modes 2025
From $99.00
RS485 to Ethernet Converter Tiny Size Serial Server -DR134 2025
From $32.95
DIN-Rail Serial Port RS485 to Ethernet Converter Server Protoss MQTT PE11-H Support Modbus RTU
From $69.00
Rail-Mount RS485 to Ethernet Converter for Stable Modbus Data Transfer
From $79.00
Ethernet to Serial Module with RJ45 Port, Modbus RTU Gateway for IoT MQTT Communication, Network Terminal Adapter
From $33.95
4-Channel RS485 Hub Industrial Grade Isolation Modbusrs Splitter Optically Isolated Signal Isolation Extender
From $104.00
Industrial Isolated RS485 to ETH (C) RJ45 Converter Wall/Rail-Mount for Modbus for Reliable Data Communication
From $43.95
TTL Serial to Ethernet Network Port Module Serial to RJ45 NT1-M-TB Modbus Gateway TCP to RTU IoT MQTT Communication
From $17.95
DIN-Rail RS485 Serial Port to Ethernet Converter Server IOT Device USR-DR302 Support Modbus EU Plug
From $69.00
Exquisite Modbus Serial Port RS485 To Ethernet Converter Server USR-TCP232-304 Data Transmission DHCP/DNS Supported 2025
From $119.00
RS485 serial to Ethernet converter with UDP and HTTPS Edition 1107
From $69.00
2X Industrial Modbus Serial RS485 RS422 to Ethernet Converter Device Server RTU/UDP RJ45 to RS232+RS
From $74.00
2X Throwing Star LAN Tap Network Packet Capture Module Replica Monitoring Ethernet Communication Passive Ethernet
From $20.95
3 Pack Industrial Modbus RS232 RS485 RS422 to Ethernet Converter, Serial Device Server RJ45, 10/100M Auto-MDIX, 300-230400 bps, Plug and Play
From $149.00
An to Ethernet Protocol Converter CDSENET ECAN-E01S CAN 2.0 Relay 2 Way CAN BUS TCP UDP 8-28V RJ45
From $89.00
RS485 Hub Repeater 4 Port, Industrial Grade 4-Channel RS485 Distributor Splitter Isolated Serial Bus Expander
From $47.95
DIN-Rail RS485 Serial Port to Ethernet Converter Server IOT Device USR-DR302 Support Modbus EU Plug
From $64.00
Industrial 8 Channel RS485 HUB RS232 RS485 to 8 Ports RS485 Serial Converter Hub
From $269.00
Industrial 8 Channel RS485 HUB RS232 RS485 to 8 Ports RS485 Serial Converter Hub
From $259.00
2X USR Ethernet Server Module USR-TCP232-302 RS232 to Ethernet TCP IP Server Module Ethernet Converter Support DHCP/DNS
From $99.00