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Brushless Motors

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Home > Products > Electric Motors > Brushless Servo Motors > AC / DC Brushless Servo Motors

AC / DC Brushless Servo Motors

A brushless servo motor has permanent magnets which rotate and a fixed armature, eliminating the problems of connecting current to the moving armature. An electronic controller replaces the brush/commutator assembly of the brushed DC motor, which continually switches the phase to the windings to keep the motor turning. The controller performs similar timed power distribution by using a solid-state circuit rather than the brush/commutator system.

Brushless motors offer several advantages over brushed DC motors, including more torque per weight and efficiency, reliability, reduced noise, longer lifetime (no brush and commutator erosion), elimination of ionizing sparks from the commutator, more power, and overall reduction of electromagnetic interference (EMI).

With no windings on the rotor, they are not subjected to centrifugal forces, and because the windings are supported by the housing, they can be cooled by conduction, requiring no airflow inside the motor for cooling. This in turn means that the motor's internals can be entirely enclosed and protected from dirt or other foreign matter.

We offer a wide range of brushless AC and DC motors giving choices on:

  • torque / speed
  • operating voltage
  • feedback devices
  • inertia levels
  • cooling options

We also offer a wide range of associated components such as gearboxes, shaft couplings, holding brakes, cable sets, temperature sensors. Please give us a call to discuss your requirements.