An Introduction to Relay Terminology

August 23, 2018
A necessity in numerous machines and electrical appliances, relays are used all over the world, regarded for their high reliability and long life. From everyday applications such as refrigerators and garage doors, to signaling and protecting electrical power systems, relays are in use every second of every day. And, as with any technical device, there are many different terms describing relay aspects, types and functions. We've provided this helpful guide along with a downloadable version, to help you learn more about relays. 
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A Guide to Understanding the Five Transformer Types

July 24, 2018
Born from the industrial age, transformers are one of electrical engineering’s most useful inventions. They are used in all types of electrical equipment applications ranging from HVAC, water pumps, pool and spa, food service and electronics. Regardless the type of transformer, their general purpose is the same—transform electrical power from one type to another.
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Application Note: Continuity

June 26, 2018
How often has this happened during your manufacturing process? Your product has been assembled and is going through final quality checks, including a continuity check. You then run a dry resistance test and it appears the contactor is not working. The assumption is the contactor is defective.
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The difference between contact chatter & contact bounce

June 26, 2018
If you’re working with equipment that uses contactors and relays, you’ve probably heard of contact chatter and contact bounce (not the kind of chatter and bounce you see in our little squirrel friends shown above). In fact, while “contact bounce” and “contact chatter” are often used interchangeably, they are actually two different phenomena. Contact bounce is the uncontrolled opening and closing of the contacts due to forces within the relay (internal forces), whereas contact chatter is the uncontrolled opening and closing of contacts due to external forces. This post describes both conditions to help both manufacturers and contractors better understand the causes of chatter and bounce.
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Sourcing for the busy summer HVAC season

May 9, 2018
Warmer months mean hotter sales in the HVAC industry, so keeping up with demand is key to customer satisfaction. What's driving this demand? The reality is we can’t live without air conditioning. Today, over 86% of American households have air conditioning, not to mention every office building, manufacturing facility, hospital, school and sports venue. But we’re not alone—the rest of the world is following suit.
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Rapid turnaround configuration. Engineering  and assembly services. Expect more from your electrical control components supplier.

March 29, 2018
When looking for a supplier of Definite Purpose (DP) contactors or other electrical control components, be sure to consider their on-site configuration and assembly capabilities. Why? Assembly services give you more product options without having to hold inventory. Your vendor partner should be ready to pull stock, configure and deliver in days—not make you wait weeks for the next container to arrive. Look for the ability to quickly configure existing products and even provide complete line-ready, tested assemblies that save you time.
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Are Your Electrical Controls Engineered, Tested and Proven—or Simply Assembled?

March 29, 2018
It's easy to look at electrical controls as commodity products, and simply source them online or shop by price alone. After all, a component the makes up just 0.1% of the cost of a typical HVAC unit may not seem like a big deal. However, with every component you source, a little bit of your reputation is on the line. But you can guard against that when you partner with a manufacturer that engineers its solutions—not just sources them for you.
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