A contactor is a type of relay (electrically operated switch) with high power rating (current rating and voltage rating). Contactors usually refer to devices switching more than 15 amperes or in circuits …

A contactor is an electrically controlled switch used for switching a power circuit, similar to a relay except with higher current ratings. A contactor is controlled by a circuit which has a much lower power level …

Aug 8, 2025 · A contactor is essentially a heavy-duty relay designed for high-power applications. Understanding its construction, working principle, and correct usage is vital in electrical installation …

Learn what a contactor is, how it works, and where it's used in electrical systems. A clear guide to understanding contactors in industrial automation and control circuits.

Essentially a heavy-duty version of a relay, a contactor is typically controlled by a circuit that has far less power than a switched circuit.

A contactor is a switching device, widely used for the switching of motors, capacitors (for power factor correction), and lights. As the name indicates it is used to make or break contacts like an ordinary on …

Learn what is a contactor, how does a contactor work, contactor wiring diagrams and more. Read our guide to contactors in electrical systems.

Jul 8, 2025 · A contactor is an electromechanical switch designed to control the flow of electricity in high-power circuits. Unlike a standard relay, a contactor is built to handle much larger loads commonly …

A contactor, also known as an electromagnetic contactor, is an electromagnetically controlled device that switches on and off an electrical circuit. Its basic construction contains a coil and contacts, …

For over 42 years Kent Electrical Supply has been an industry leader in providing industrial motor controls to the electrical sector. We carry over 1 million dollars in inventory at our warehouse in …