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Frameless DC Motors

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NH1-D52 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-D52:
** Data based on standard stack height at 48V

Part Number

NH1-D52
Standard Bus Voltage (Vdc) 48
Standard Stack Heights (mm) 18.5
Rated Speed (RPM) 2400
No-Load Speed (RPM) 4100
Rated Torque (Nm) 0.43
Peak Torque (Nm) 1.08
Rated Power (W) 108
Ke (Vms/kRPM) 7.42
Kt (Nm/Arms) 0.113
Rated Current (Arms) 3.81
Peak Current (Arms) 9.52
Standard Inertia (kgcm2) 0.047
Stator Insulation Rating (deg C) 155
Stator Weight (kg) 0.172
Rotor Weight (kg) 0.045
Number of Poles 6
R (ph-ph) (Ohms) 1.6
L (ph-ph) (mH) 2.5
Air Gap (mm) 0.50

D52 Frameless Motor Technical Drawing
D52 Torque / Speed Chart

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