Brake release or brake thruster - an electromagnetic actuator used to release and apply mechanical brakes.

Linear electromagnetic brake release

^{S. Zurek, E-Magnetica.pl, CC-BY-4.0}

Commonly, an electromagnetic brake release is designed with the system such that a failure of the power supply will release the brake in order to provide a fail-safe functionality. This is important in applications such as cranes or lifts.

• Electromagnetic actuator