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 ...

Find the value of current I required to establish a magnetic flux of in a series magnetic circuit of the relay shown above. Note from the given above that the air gap requires the biggest share (by ...

As automation expands, mechanical functions are relying more and more on electronic control. Solenoids provide an electromechanical interface for many of these applications. In addition, many ...