Model 813

ROTARY BRUSHLESS ACTUATORcontinuous rotation actuator

The Model 813 Rotary Brushless Actuator is an antenna azimuth drive servo actuator used for airborne radar applications including scan and sector modes.

For more information about how the model 813 continuous rotation actuator can be tailored to fit your specific application, contact our applications engineers.


  • Size: 4.33 diameter x 7.76 inches long from back of brake to front of mounting flange
  • Power: 28 VDC
  • Rated Power Point: 320 in-lbs @ 25 rpm
  • Weight: 12.5 lbs
  • Rare earth brushless DC resolver commutated motor
  • Fail-safe electromagnetic brake with manual disengage
  • Robust structural design
  • Low endplay
  • Harmonic Drive™ gearbox
  • Front flange mount
  • Stroke: continuous rotation
  • No-load speed: 45 rpm
  • Low temperature operation to -94º F with heat blanket
Size (inches) 4.33 dia. x 7.76
Torque (in-lbs)
320 in-lbs Rated
Stroke Continuous Rotation
Weight 12.5 lbs