Our 4 Channel Relay Controller offers a conveniently small size with the integrated
power of our standardized PRO relay command set. Quad relay controllers are ideal
for computer control applications where small size and high functionality are required.
We offer a large selection of 4 Relay Drivers for applications ranging from low
power signal switching to high voltage, high current applications and 4 channel
Configurations To Fit Every Need
If your looking for a four channel relay controller we have a configuration to fit
every need. RS-232 Relay controllers allow computer controlled switching using
the Serial port of your computer. Our 4 Channel USB Relay interface mounts
as a virtual COM port for easy programming across all major operating systems, ensuring
compatibility with all programming languages that support serial connections.
And if your looking for wireless, our 4 Channel 802.15.4 Wireless Relay couldn't be easier!
A 802.15.4 Wireless relay controller offers wireless communications with no special software!
Look for our ProXR series controllers for the latest advancements in signal switching!
Available in USB Relay, 802.15.4 Wireless Relay and RS-232 Relay configurations, the ProXR
Series is capable of controlling up to 256 relays. Whether you need power
switching or 4 channel DPDT relay, the ProXR Series are built from the ground up
with Expansion in mind. Simply Chain the
XR Expansion Modules, one after another, to meet your computer controlled switching
requirements. For more detailed information and to order, please click on the links
4 Channel Relay Controller Boards
Displaying 1 - 50 of 212 Products in this Category.
Fusion 4 Series Controllers are the most powerful relay controllers we currently manufacture.
Capable of controlling relays from a computer, sensor readings, or a time schedule, Fusion 4
controllers can be used to automate just about any application. Choose a controller based on
the quantity and power rating of relays your application requires.
Flip a switch and send a SMS Text Message. Push a Button and Send an email. Trip a sensor
and send a message to a server to do just about anything you want... from anywhere in
the world. Push Notification series controllers send messages from real-world electronics to
computers and servers.
Newer Key Fob Solutions are available to replace the Reactor Key Fob
Series controllers. Please see the new Key Fob Relays section on the Left Navigation of our web site.
Because of the wide usages of the older Reactor Key Fob Series products, they will not be discontinued;
however, firmware and Base Station support will no-longer evolve to include minor changes and
Remote Controlled Relays: Key Fob Series
Activate Relays with a Remote Control Key Fob. Trigger Timers,
Counters, and Events. Manually Take Control of Relays from Anywhere in the World using a
Computer as needed.
Newer Fusion Series controllers are available to replace the older Reactor Series controllers.
Because of the wide usages of the older Reactor Series products, they will not be discontinued; however,
firmware and Base Station support will no-longer evolve to include minor changes and improvements.
Sensor Controlled Relays: Reactor Series
Activate Relays and Events when Sensors Reach specified Limits.
Use a Computer to Setup the Reactor, then Let the Reactor Work by itself.
Manual computer control optional.
Beginning Monday, November 24th, special discounts will be offered to all registered account holders ONLY!
Please Create an Account on our web site BEFORE November 24th. We will be closed November 27th and 28th.