USB Relay Controllers

Features of USB Relays

USB Relays provide the most stable method for controlling relays in almost any application, and are available on most of our product lines.

  • Simple implementation
    • Interface mounts as virtual COM port
    • Compatible with any operating system
  • Industry Leading Command Set
    • Send Specific Commands to Trigger Relays
    • Trigger Any or All Relays
    • Program in any Language
  • Wide Range Of Option
    • 1,2,4,8,16 USB Relays Controller
    • 24,32,64 Channel USB Relays Module
    • USB Relay Module With Analog Inputs
    • USB Relay Controller With GPIO Digital I/O
  • Wide Range Of Option
  • Base Station Software
    • Point & Click Interface
    • Read Sensor Levels
    • Read Status of Relays
    • Manually Trigger Relays

Our USB Relays

Our full line of USB compatible controllers suit nearly any application, and our USB modules come with a long history of proven stability. Customize your project with exactly the options you need. From General Purpose, High Power or Signal Switching, we have you covered with our SPDT, DPDT, and SPST Relays. The versatility of our USB relay controllers ensures an easy and reliable solution to whatever your switching needs.

USB Relay Controller
1-Channel USB Relay Controller
USB Relay Controller 2-Channel with ADC
2-Channel USB Relay Controller
USB Relay Controller 4-Channel with ADC
4-Channel USB Relay Controller
USB Relay Controller 8-Channel with ADC
8-Channel USB Relay Controller
USB Relay Controller High Current
1-Channel High Current USB Relay Controller
USB Relay Controller 2-Channel High Current with ADC
2-Channel High Current USB Relay Controller
USB Relay Controller 4-Channel High Current with ADC
4-Channel High Current USB Relay Controller
USB Relay Controller 8-Channel High Current with ADC
8-Channel High Current USB Relay Controller
USB Solid State Relay Controller
1-Channel Solid State USB Relay Controller
USB Relay Controller 2-Channel Solid State Relays
2-Channel Solid State USB Relay Controller
USB Relay Controller 4-Channel Solid State Relays
4-Channel Solid State USB Relay Controller
USB Relay Controller 8-Channel Solid State Relays
8-Channel Solid State USB Relay Controller
100+ USB Relay Controllers

USB Relay Controllers with 16 or More Relays

NCD manufactures the largest USB Relay controllers in the world, with options for 16, 24, 32, 48, 56, and 64 on-board relays.  Expansion options allow NCD relay controllers to scale up to 256 channels.  Dual interface options are also available on the Fusion series controllers, allowing two USB ports to control the entire array of on-board and off-board expansion relays.

16-Channel USB Relay Controllers
24-Channel USB Relay Controllers
32-Channel USB Relay Controllers
Dual USB Interface Relay Controllers
See all USB Relay Controllers

Why Choose NCD?

With NCD you know you have a proven reliable, easy to use, and extensible product. This means you don’t have to spend valuable time researching how to jig-saw pieces of your project together to get them to work cohesively. Being manufactured in the U.S.A. you know you’ll get good support and a quality product. NCD also ensures you won’t have to put any time into soldering or building a PCB, just pick your boards and power them up. Just knowing that every sensor, relay controller, and component is built around the same concept will save you guess work on how well software will work with any board.

How It Works

All USB Relay Controllers are equipped with our proprietary firmware built into the board. This will allow you to Control one relay at a time, a bank of relays or all relays at once with manual and automatic refreshing command set. You can send commands can be sent over the virtual COM port, or our Base Station software. We make integrating into existing systems, or building entirely new ones quick and painless.

USB Modules