USB Relay Board | RS232 Controls | USB relay controller

4 channel Relay, 4 channel Digital Inputs, USB

2 Relays, 2 Digital Inputs, USB Handy Enclosed Controlled Module

16 channel, USB Relay Controller External 12VDC Powered

4 Channel, 240VAC, 8Amp, SPDT Relay, USB Relay Controller Board

8 Channel Isolated Digital Input, 8-Ch SPDT Bussed Relay, USB Powered & Controlled

16 Channel 2Amp @ 30VDC Common Shared SPDT Relay USB Controlled Board

16 Channel Relay USB Powered & Controlled 4/12 SPDT/SPST seperately wired

1 Single Relay 30Amp, 2-ch Isolated Digital Inputs, USB Controlled Module

2 Channel Power Relay 2 Channel Isolated Digital Input USB Powered and Controlled

2 Channel Analog Output, 8 Channel Digital I/O, USB

32 channel Digital Input Module, USB Powered & Controlled

16 Channel Relay USB Controlled

2 Channel Relay, 3-ch Digital Input & Event Counter, USB

Isolated USB port 96 Channel Digital I/O TTL Pluggable Terminal Blocks

96 Channel Digital I/O Controller, USB Port, Wide Digital Input Range, -300mA Sink, OC

96 Channel Digital I/O Controller, USB Port, Wide Digital Input Range, TTL/LVTTL Output

16 Channel USB Relay Controller 16-Channel Isolated Digital Input, Pluggable Connectors, Intelligent-Appliance Muti-drop Series

16 Channel USB Relay Controller 16-Channel Isolated Digital Input, Pluggable Connectors, Intelligent-Appliance Muti-drop Series

16 Channel USB Power Relay, SPDT, 16 Channel Digital Input, USB or RS-232 Controlled, Intelligent-Appliance Industrial Multi-Drop Series

Industrial 16 Channels Ethernet Relay Controller 16 Channel Isolated Digital Input, Web Controlled Relay Board , High voltage monitor range 90-300VAC Version

64 Channel Digital Input Module, Auto Report Ready, Isolated USB Port, Daisy-Chain Series

48 channel Digital I/O Solid-State Relay board, Isolated USB or RS-232 Controlled, IA Series-3000 Daisy-Chain

48 Channel Digital I/O, Over Current Protected USB Solid-State Relays, Positive Output, Isolated USB Port controlled or RS-232

24 Channel, 5 Amp Relay, 24 Channel Digital Inputs, Isolated USB Controlled, with Voltage Suppressors on Relay Contacts

24 Channel USB Relay Board, 24 Channel Isolated Digital Input, USB or RS-232 Controlled, Contact Protection on All Relays.

32 USB Relays Board, USB or RS-232 Controlled, IA Multi-Drop Series, Pluggable.

32 USB Relays Controller USB and RS-232 Controlled Daisy-Chain Series

Dual / Quad Pole Pluggable 32 / 16 Channels Multiplexer USB and RS-232 Controlled

Dual / Quad Pole, 32 channels Multiplexer, USB and RS-232 Controlled

2x32 Dry-Contact Relay Multiplexer Board, 64in/2out or 2in/64out, USB

16 Channel Relay USB and RS-232 Controlled IA Multi-Drop Series

16 Channel Relay USB and RS-232 Controlled

24 relays 16Amp, 1 Isollated Input, USB and COM Controlled, IA Daisy Chain Series

64 channel, Power Relay Controller USB & RS-232 Controlled

32 Channel DPDT Relay, USB and RS-232 Controlled, Pluggable, IA Daisy-Chain Series

32 Channel DPDT Relay, 12V, USB and RS-232 Controlled, Pluggable, IA Daisy-Chain Series

32 Channel Relay DPDT USB and RS-232 Controlled, IA Daisy-Chain Series

32 Channel Isolated USB Port Power SPDT Relay Board, Multi-Drop Series

32 Channel Isolated USB Port Power SPDT Relay Board, Multi-Drop Series

4 Channel Relay, 4-ch Opto-Isolated Digital Inputs, Industrial USB Relay Module

8 Channel 2Amp@30VDC Relay, USB Relay Controller Module

2 Channel Analog Input, 2 Channel Relay, USB Powered and Control

Isolated USB port Micro-Stepper Controller Driver, DIN-Rail mounted

8 Channel 16 bit Counter, 2-ch Digital Output, USB

4-20mA, Up/Down, Loop Controller

32 Channel 5Amp Relay USB and RS-232 Controlled, Pluggable Terminal Blocks, IA Daisy Chain Series

32 Channel 5Amp Relay USB and RS-232 Controlled, 12VDC, Pluggable Terminal Blocks, IA Daisy Chain Series

2 Channel Relay, 2 Channel Dry-Contact, Power over Communication

USB Intelligent I/O Solution 10 Channel Isolated Digital Input 8 Channel SPST Relay