HD Servo Motors

Control Techniques Unimotor HD servo motors:


230V / 460V


Designed for maximum torque density, the Unimotor hd

brushless AC Servo motor series provides an exceptionally

compact, low inertia solution for applications that require very

high torque during rapid acceleration and deceleration profiles.

Unimotor hd motors fitted with high resolution SinCos or absolute encoders are pre-loaded with the motor “electronic nameplate” data during the manufacturing process. This data can be read by most Control Techniques’ brand servo drives and used to automatically optimize the drive settings. This feature simplifies commissioning and maintenance, ensures consistent performance and saves time.

The Unimotor hd torque profile is closely matched to

Digitax ST Servo drives providing up to 300% peak overload for maximum dynamic performance.


Key Features

  • Torque range: 6.4 to 752 lb-in (0.72 to 85.0 Nm)
  • High torque-to-inertia ratio for high-dynamic performance
  • Compact and powerful
  • Optional holding brake
  • IP65 conformance
  • Segmented stator design
  • World class performance
  • Winding to suit 230 V and 460 V
  • Speeds include 2000, 3000, 4000 and 6000 rpm
  • Large shafts to increase torsional rigidity
  • Multiple feedback options:
  • Incremental encoder: High accuracy, medium resolution
  • Absolute: Medium accuracy, medium resolution, single-turn
  • and multi-turn

SinCos/absolute: High accuracy, high resolution, single-turn and multi-turn

  • HIPERFACE (SICK) and EnDat (Heidenhain) protocols
  • supported
  • Resolver: Robust for extreme applications and conditions;

lower accuracy, medium resolution

HD Servo Motors