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Electromagnetic brakesu00a0are devices that use electromagnetic force to keep weights in place. There are various variants available, all of which work on the same principle: send an electrical current through an electromagnetic coil to generate a magnetic field strong enough to move an armature on or off a magnetic face. The friction surface produces the necessary braking torque. These braking systems are employed in aerospace and defence applications, as well as robotics and medical systems, among other things, where short response times and reliable performance are required.<br>
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