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Frameless DC Motors

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NH1-D77 Frameless Motor

Brushed DC Motor

Product Features:
  • High torque to inertia ratio for quick response and precision control.
  • High torque density in a compact package.
  • Large rotor interior diameter cable routing.
  • Standard 200 mm lead lengths.
  • Low cogging torque for a smooth operation.
  • Machine wound reliability with bondable magnet wire for a compact and reliant coil.
  • Constructed with corrosion-inhibitive materials.
  • Supported by rigorous testing for performance and reliability.
  • Class F insulation
  • UL agency recognition
  • RoHS compliant

Specifications NH1-D77:
** Data based on standard stack height at 48V

Part Number

NH1-D77
Standard Bus Voltage (Vdc) 48
Standard Stack Heights (mm) 28
Rated Speed (RPM) 2400
No-Load Speed (RPM) 3000
Rated Torque (Nm) 2.12
Peak Torque (Nm) 5.3
Rated Power (W) 533
Ke (Vms/kRPM) 10.15
Kt (Nm/Arms) 0.154
Rated Current (Arms) 13.73
Peak Current (Arms) 34.32
Standard Inertia (kgcm2) 0.45
Stator Insulation Rating (deg C) 155
Stator Weight (kg) 0.635
Rotor Weight (kg) 0.158
Number of Poles 10
R (ph-ph) (Ohms) 0.244
L (ph-ph) (mH) 0.74
Air Gap (mm) 0.50

D77 Frameless Motor Technical Drawing
D77 Torque / Speed Chart

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