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USB Relay - 4 Channel

USB Relay Control

USB Relay    

USB Relay All The Features You Need...

  • 4 Relays Installed on Circuit Board
  • Mounts as a Virtual COM Port on Computer
  • Base Station Software gets you up an running fast
  • Control One Relay or a Bank of Relays
  • ProXR Lite Versions - Not Expandable
  • ProXR Versions - Expandable to 256 Relays
  • Program in almost any language
  • 16 Available Timers


USB Relay
USB Relay Controller Board

Our USB Relays make it easier than ever to add computer controlled switching to your most demanding computer control applications.  Simply connect to your computer and this controller mounts as a Virtual COM Port on your PC, allowing easy programming from any language that supports serial communications.  USB Relays offer excellent communication, speed, and reliability with minimal integration time.  USB Relay supports any available COM port at any standard baud rate with a maximum supported baud rate of 230.4K Baud.

USB Relay Options
USB Relays are available with SPDT 5, 10 and 20 amp, SPST 30 amp and DPDT 1, 3 & 5 amp relays installed.  In ProXR and ProXR Lite Versions.

Simple Reliable USB Relay Control
Control these USB Relays through the USB port of your computer.
Mounts as a virtual COM port for easy programming
Program in Almost Any Language!

Wireless Thru USB

You Can Easily Go Wireless!

USB Relay with Wireless Modem

Category Link: Wireless USB
  • Modem Connects to USB Port
  • Mounts as a Virtual COM Port
  • Data is Sent Wirelessly to Controller
  • Easy USB Communications with Wireless Results!

Selecting The USB Interface

USB Relay ZUSB ModuleBy selecting the USB interface you will be sending commands through the USB port of your computer to the board.  Boards on this page are equipped with a ZUSB communications module that adds USB communications to the board.  A command consists of a few bytes of data in numerical format usually between 2 and 6 bytes.  Once the command has been received, the controller processes the command and the relay activates.

Selecting a USB Relay Board

Below you will find the 4-channel USB Relay control that are available.  The difference being the amperage of the relays installed and the type of relay.  Choose the controller that fits the amperage you are switching.  You will find SPDT relays in the 5, 10 and 20 amp versions and an SPST version in 30 amp.  DPDT versions are also available with 1, 3 or 5 amp relays installed.  For more information on selecting the correct relay for your application see Choosing a Proper Amperage.

Selecting a USB Relay Series

The 4-Channel boards are available in the ProXR Lite and ProXR versions. Both versions have the same firmware installed and accept the same ProXR command set, the industry leading command set for controlling relays.  The ProXR lite version is non-expandable, the ProXR version is expandable to 256 relays.  When you find your controller click on the Full Description link to view full specs, watch setup videos, download software and purchase.


4-Channel USB Relay Controller Boards
R410PL_USB
ProXR Lite USB Relay
4-Channel 10-Amp SPDT Relays Installed
  • 4 - 10 Amp SPDT Relay(s)
  • USB Interface
  • 8 Variable Sensor Input(s)
  • Screw Terminal Connections
  • ProXR-Lite Series
R420PL_USB
ProXR Lite USB Relay
4-Channel 20-Amp SPDT Relays Installed
  • 4 - 20 Amp SPDT Relay(s)
  • USB Interface
  • 8 Variable Sensor Input(s)
  • Direct Relay Connections
  • ProXR-Lite Series
R430PL_USB
ProXR Lite USB Relay
4-Channel 30-Amp SPST Relay Installed
  • 4 - 30 Amp SPST Relay(s)
  • USB Interface
  • ProXR-Lite Series
  • 8 A-D/Contact Closure Inputs
  • XR Port Adds Additional Relays
R45PL_USB
ProXR Lite USB Relay
4-Channel 5-Amp SPDT Relays Installed
  • 4 - 5 Amp SPDT Relay(s)
  • USB Interface
  • 8 Variable Sensor Input(s)
  • Screw Terminal Connections
  • ProXR-Lite Series
ZADR410PROXR_USB
USB Relay 4-Channel 10 Amp SPDT
ProXR Firmware with 8 AD/Contact Closure Inputs
  • 4 - 10 Amp SPDT Relay(s)
  • USB Interface
  • Screw Terminal Connections
  • ProXR Series
  • 8 A-D/Contact Closure Inputs
  • XR Port Adds Additional Relays
ZADR41DPDTPROXR_USB
USB Relay 4-Channel 1 Amp DPDT
ProXR Firmware with 8 AD/Contact Closure Inputs
  • 4 - 1 Amp DPDT Relay(s)
  • USB Interface
  • 16 Available Timers
  • 8 A-D/Contact Closure Inputs
  • XR Port Adds Additional Relays
ZADR43DPDTPROXR_USB
USB Relay 4-Channel 3 Amp DPDT
ProXR Firmware with 8 AD/Contact Closure Inputs
  • 4 - 3 Amp DPDT Relay(s)
  • USB Interface
  • 16 Available Timers
  • 8 A-D/Contact Closure Inputs
  • XR Port Adds Additional Relays
ZADR45DPDTPROXR_USB
USB Relay 4-Channel 5 Amp DPDT
ProXR Firmware with 8 AD/Contact Closure Inputs
  • 4 - 5 Amp DPDT Relay(s)
  • USB Interface
  • 16 Available Timers
  • 8 A-D/Contact Closure Inputs
  • XR Port Adds Additional Relays
ZADR45PROXR_USB
USB Relay 4-Channel 5 Amp SPDT
ProXR Firmware with 8 AD/Contact Closure Inputs
  • 4 - 5 Amp SPDT Relay(s)
  • USB Interface
  • ProXR Series
  • 8 A-D/Contact Closure Inputs
  • XR Port Adds Additional Relays