Solid Shaft Servomotors RDU50x14-VW210 W | 0.54 Nm | 3870 rpm | 48 V

Compact 50x14 servo motors with solid shafts, offering highest power density at maximum torque range for a broad spectrum of applications.

  • Industry-leading torque density
  • Excellent overload capability
  • Compact design
  • Absolute SinCos encoder up to 12 bits
  • Integrated safety brake
  • Mounting flange based on B5/B14 standard
  • Customized specific flange available
  • Installation space savings by optional gearheaddirect mount
The servomotors of the RDU series provide a high-performance motor based on the proven stator rotor installation kits. The RoboDrive technology offers maximum overload capability in a compact design with maximum torque density. The variable concept offers solutions for a wide variety of drive tasks.
Alternative voltage levels, increased speeds and optional safety brakes are available on request. The integrated encoders enable high positioning accuracy and excellent synchronism. The standardized flange pattern allows the combination with the gearboxes of the leading manufacturers. On request the motors can be supplied with gearboxes from Neugart, Wittenstein, Spinea and Harmonic Drive.

General data/basic data

  • 210 W
Nominal torque:
  • 0.54 Nm
Peak torque:
  • 1.75 Nm
  • 3870 rpm

Performance characteristics

Nominal voltage:
  • 48 V
Nominal current:
  • 5.3 A
Torque constant:
  • 103 mNm/A
Terminal resistance:
  • 770 mΩ


  • 61 mm
Motor length without brake:
  • 60.7 mm
Motor length with brake:
  • 76.5 mm
Weight without brake:
  • 495 g
Weight brake:
  • 660 g
Length Centering:
  • 2 mm

Additional information

Sensor type:
  • Magnetic rotary encoder, differential sin/cos signal, signal amplitude 1 Vpp, signal offset Udd /2, accuracy ± 0.5°, supply voltage Udd= 5 V
Detail specification:
  • See data sheet

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