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Relay Controller Selection Guide

The purpose of this guide is to help you find the right relay controller for your specific application.  We have organized this list in alphabetical order, so look through the list to find the type of relay controller that best matches your application.  NCD offers an extensive line of relay controllers, this guide should help you discover the types of controllers we manufacture.  Learn more about each type of relay controller by clicking on the links below.  These links will take you to pages that provide our best recommendations based on our current product offerings.

NCD is the world’s largest manufacturer of relay controller boards.  We opened in October of 1995 and we specialize in computer controlled relay devices.  We focus on all types of relay controller technologies, including wireless, wired, computer, sensor controlled, key fob, network controlled, cloud controlled, and much more.  Many of our devices include on-board inputs for sensor monitoring applications as well.  NCD offers the world’s largest range of relay controller boards, including mechanical, solid state technologies that include SPST, SPDT, DPDT, High-Current, Signal Switching, General Purpose and more.  NCD also focuses on connectivity, such as USB, Cellular, RS-232,  RS-485, Bluetooth, ZigBee, Industrial Wireless, Ethernet, I2C, and much more.  We are versed is nearly all cloud and computing platforms, including Raspberry Pi, BeagleBone, Arduino, Particle, Azure, Amazon AWS, Onion Omega, MicroBit, Banana Pi, Bluz.  NCD Relay Control Devices are Second to None in the Industry!  If you require a custom relay controller, just let us know, we can design around your exact needs.

©2019 National Control Devices, LLC

Made in the USA
5 Year Warranty
Free Shipping on orders over $100
Free Shipping on orders over $100

To learn something new, take the path that you took yesterday. ~John Burroughs


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