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Concentrators & Multiplexers

Shop the best prices on 428 great value concentrators & multiplexers. Shopping for concentrators & multiplexers is easy with Fruugo, with SALE discounts, offers and savings on Asiv. Buy concentrators & multiplexers online safely with Fruugo, with secure payment and fast shipping to Singapore.

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97 - 128 of 428
HF-5122 Dual Serial Port to Ethernet RS232 / RS485 / RS422 Serial Server 5 - 36VDC
$199.00 Save $170.00 RRP: $369.00
DR134 Mini RS485 to Ethernet Serial Server
$64.00
Ethernet to RS485 Converter DR134 Compact Serial Device Server
$39.95 Save $19.05 RRP: $59.00
Modbus IP RS485 to Ethernet Industrial IoT Server 600bps-921600bps
$46.95 Save $22.05 RRP: $69.00
Industrial Serial Server RS485 To RJ45 Ethernet TCPIP To Serial Rail Mount Support for Data Acquisition Communication Multicolor
$99.00
Smart Hub Controller 8-Channel Concentrator 220V with LED Indicators for Underfloor Heating System Air Conditioner Temperature Controller Gas Boiler
$84.00 Save $65.00 RRP: $149.00
Din Rail RS485 to Ethernet TCP/IP Converter Module for Serial Networking
$79.00 Save $30.00 RRP: $109.00
NA111-M RS485 to Ethernet Serial Server DC 8-28V RS485 RJ45 TCP/UDP MQTT Small Size Modbus Industrial Grade AT Support
$25.95
An to Ethernet Protocol Converter CDSENET ECAN-E01S CAN 2.0 Relay 2 Way CAN BUS TCP UDP 8-28V RJ45
$74.00
Multiple Port RS485 Communication Center With Constructed In Electrical Isolation for Stable Remote Data Transfer Multicolor
$89.00
2025 RS485 Serial Port Server RS485 to RJ45 Ethernet TCP/IP to Serial Port Module Rail Type Serial Port
$104.00 Save $105.00 RRP: $209.00
Exquisite Modbus Serial Port RS485 To Ethernet Converter Server USR-TCP232-304 Data Transmission DHCP/DNS Supported 2025
$84.00 Save $85.00 RRP: $169.00
2025 RS485 to Ethernet Converter Tiny Size Serial Server -DR134
$39.95 Save $39.05 RRP: $79.00
8 Port Serial Device Server Converter Ethernet to RS232/422/485 Support VCOM/TCP Server/ TCP Client/UDP Industrial Grade
$229.00 Save $110.00 RRP: $339.00
RS485 to Ethernet Converter Industrial Serial Server Speed Data Transfer for Automation
$69.00 Save $35.00 RRP: $104.00
MultiPort RS485 Hub Splitter 8 Or 16 Way Expansion Hub Plugs And Play Installation For Long Distances Control Systems Multicolor
$40.95
USR-TCP232-302 RS232 to Ethernet Converter Support DHCP/DNS
$64.00 Save $55.00 RRP: $119.00
Industrial Isolated RS232/485/422 to RJ45 Ethernet Module IP to Serial Module Rail Type Serial Serv
$69.00 Save $100.00 RRP: $169.00
Industrial Isolated 4CH RS485 to ETH Converter, Support Modbus/MQTT/JSON, for Industrial Use -LL
$159.00 Save $130.00 RRP: $289.00
8-Port RS232 RS485 RS422 to Fiber Converter Bidirectional Modem EU Plug for 128 Devices
$94.00
8 Channel RS485 Opto-Isolated Serial Port Hub Support 32 Nodes Half-Duplex Transparent Transmission
$69.00 Save $30.00 RRP: $99.00
Professional 4 Channel RS485 Indication Increaser With 12Mbps Blue green Rhythm Resistant ABS Housing Multicolor
$89.00
Multiple Port RS485 Communication Center With Constructed In Electrical Isolation for Stable Remote Data Transfer Multicolor
$89.00
Single Port MQTT Networking Server RS485 Ethernet Converter Industrial Aluminum Housing Networking Communication Device Multicolor
$74.00
Single Port MQTT Networking Server RS485 Ethernet Converter Industrial Aluminum Housing Networking Communication Device Multicolor
$69.00
Aluminum RS485 To Ethernet Serial Port Server 2400Bps-460800Bps Industrial Communication Server Device Accessories Multicolor
$74.00
Sensory Networking 4 Channel I2C Splitter Board 2.30V-5.5V PCA9546 4 Channel I2C Multiplexer Hot Swappable for Stemma Qt Multicolor
$35.95
Sensory Networking 4 Channel I2C Splitter Board 2.30V-5.5V PCA9546 4 Channel I2C Multiplexer Hot Swappable for Stemma Qt Multicolor
$35.95
Sensory Networking 4 Channel I2C Splitter Board 2.30V-5.5V PCA9546 4 Channel I2C Multiplexer Hot Swappable for Stemma Qt Multicolor
$35.95
1 to 8 Port RS485 Hub for Industrial Systems - Dual-way Communication Drive Free SZRH A-C
$64.00 Save $45.00 RRP: $109.00
RS485 Serial Port Server RS485 to RJ45 Ethernet IP to Serial Port Module Rail Type Serial Port Serv
$44.95 Save $59.05 RRP: $104.00
Industrial Modbus Serial RS232 RS485 RS422 to Ethernet Converter Device Server TCP/RTU/UDP RJ45 to RS232+RS485 Connector
$31.95 Save $37.05 RRP: $69.00