A solenoid is an electromagnet combined with a movable plunger which provides a rapid, short stroke movement. Since the force decreases exponentially with the distance between the winding and movable plunger, it is unusual for solenoids to have a stroke of more than a few centimetres. Solenoids can only shift between their end positions, and are therefore not suitable for use for careful positioning.

Typical areas of application are various types of locks, valve guides for pneumatics or hydraulics, injection systems and pinball machines.

Linear solenoids

Tubular solenoids, low profile models and open frame solenoids.

Rotary solenoids

Rotary, spring-loaded solenoids with an angle of rotation of up to 110°.