The refrigerator PTC (Positive Temperature Coefficient) relay is a crucial component that helps in starting the compressor and maintaining its operation. It is responsible for providing power to the ...

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 ...

You can build a small-block that idles smoothly and makes 500 horsepower. Your buddies all call on you when it comes time to spray the paint on their cars. The last upholstery job you did ended up in ...

HVAC distributor cfm Distributors recently developed a list of items to test and/or questions to ask when dealing with sites that have experienced multiple failed compressors. The first step consists ...

A relay is an electric switch whose purpose is to turn on a device with more electricity requirements. They are used in various electronic devices thanks to their compatibility. A relay easily fits in ...

Relays are electromechanical devices that use a magnetic solenoid to actual a switch. When current is passed through the solenoid coil, it produces a magnetic field. The magnetic field is strengthened ...

This new three -phase test instrument addresses the increasing need for three-phase testing capability in electrical distribution substations, renewable power generation stations and industrial ...

The PGT-0400 is a ground-fault-relay test unit designed to test current pickup level, time-delay and coordination of ground-fault protection. The tester injects current through the window of installed ...

Acceptable ohm reading for a good current relay. One type of starting relay used on fractional-horsepower compressors is the current relay. This type of starting relay uses the initial high inrush ...

RJ6S utilizes vacuum dielectric for arc quenching with dissimilar hard metal contacts to prevent welding. January 13, 2011 - The Jennings Technology RJ6S Vacuum Relay utilizes vacuum dielectric for ...