Kontaktiseur

Kontaktiseur, also known as a contactor, is an electrically controlled switch used for switching a power circuit. It is similar to a relay but is designed for handling higher currents. Kontaktiseurs are commonly used in industrial applications to control electric motors, lighting, heating, and other high-power loads. They operate by using a control circuit to energize an electromagnet, which in turn moves mechanical contacts to open or close the main power circuit.

The basic components of a kontaktiseur include an armature, a coil, and contacts. The coil, when energized by a control voltage, generates a magnetic field that attracts the armature. This movement causes the main power contacts to close, allowing current to flow. When the coil is de-energized, a spring returns the armature to its original position, opening the contacts and interrupting the power flow. Kontaktiseurs come in various sizes and ratings to accommodate different power requirements. They are often equipped with additional auxiliary contacts for control and signaling purposes. Safety features such as overload protection can be integrated or used in conjunction with kontaktiseurs. Their reliability and ability to handle frequent switching cycles make them essential components in automation and power distribution systems.