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N-Series Servo Motors

N-Series Motor

ORMEC’s N-series AC brushless servo ­motors provide high torque-to-inertia ratios, excellent continuous torque and peak torque per­formance in a compact design. These industrial-quality servo motors incorporate high energy, rare earth, neodymium-iron-boron magnets and a highly efficient stator winding design which results in excellent power density.

3-D Solidworks drawings are available, please send your request to us at sales@ormec.com .

Key Features

  • Continuous Stall Torques - 28 to 620 in-lb (3 to 70 N-m)
  • High Peak Torques - 85 to 1,550 in-lb (10 to 175 N-m)
  • Output Power - 1000 to 11,000 watts (1 to 15 HP)
  • High Maximum Speeds - 2,000 to 6,000 RPM
  • Incremental Encoder - resolutions up to one million counts per revolution
  • Optional Absolute Encoders - feature multi-rev operation up to 4,096 revolutions
  • Class F Insulation - providing long winding life under rated operating conditions
  • Minimum Torque Ripple - smooth low-speed performance
  • Totally Enclosed Non-Ventilated (TENV) - standard IP-65
  • Optional Fail-Safe holding brakes

The N-series servo­ motors eliminate brush wear maintenance problems, and feature extremely durable construction, which includes heavy duty bearings. Rugged MS connectors provide reliable interconnections.

Motor/Drive Combinations

The performance of these servo motors is a direct function of the factory-matched servo motor/drive combination. ORMEC’s ServoWire® drives provide software controlled all-digital performance for consistent operation that totally eliminates analog potentiometer adjustments. High bandwidth operation and a quality high resolution encoder provide the response and accuracy for demanding applications. Peak torques, up to three times the rated torque, are available for a few seconds, allowing the motor/drive to handle high inertial loads and heavy duty cycle requirements. Each drive’s motor parameters are configured in software for high performance and RMS current limiting.

Absolute Encoder Option

Cost-effective absolute encoder support provides axis position over a range of 4,096 revolutions. In continuous uni-directional operation, the position count continually “wraps” through the full range while maintaining absolute position within the cycle. Position is maintained through power cycles by a lithium battery.


The following is a list of valid part numbers for N-Series Servo Motors

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