This file type includes high resolution graphics and schematics when applicable. According to the research firm IHS Inc., about 54 million relays and timers were purchased in 2013, a number projected ...

Over the years, control relays of various types have been used by the hundreds — even thousands — to control nearly every function in commercial and industrial processes. Today, many of those ...

The MCPC Series are microprocessor-based control relays designed for use with resistive loads. The devices have current ratings from 25 A to 90 A that operate from 48 VAC to 530 VAC at 0-100% control ...

ABB has installed more than 700,000 SPACOM relays used for power system protection and reliable power system operation world-wide. With the older generation of relays now aging, ABB is developing new ...

Most industrial facilities include electric motors that require overload relays for protection, control and monitoring purposes. The latest overload relays are often called motor management relays ...

What role does an SPDT relay play in test applications? What are the benefits of a MEMS-based switch? Performance advantages over legacy technology. Electromechanical relays (EMRs) are common ...

The objective of protective relays and protective schemes is to protect electrical equipment such as transformers, lines, cables, bus bars, etc. during abnormal system conditions. Hence, protective ...

This reference design integrates Zilog’s ZAURA RF 868 MHz Wireless Module onto an AC power switching relay designed to showcase the features and performance of a relay- based switch with AC voltage ...

I know, I know—discussing the subject of a relay-based sequence switch in the age of omnipresent microprocessors seems to be a waste of time. After all, relays have been in use for many years. Is it ...