NEMA 11 Closed-loop Hollow Shaft Stepper Motor 1A 0.07Nm/9.94oz.in with 2500PPR Encoder

  • Part Number: 28HS33-1004HE
  • Lead Time: In Stock
  • Unit Price: US $80.00
  • Sales: 14

  • *Ship from China

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The order will be shipped out in 24-72 hours if the items are in stock. Please feel free to contact us for more discounts if the order is over 999USD.

This small size 28mm NEMA 11 hollow shaft closed-loop stepper motor has a body length 32.8mm with 1.0A rated current & holding torque 0.07Nm/9.94oz.in. A hollow shaft with outer diameter Φ5.0mm & inner diameter Φ2.5mm is available and also a double shaft with the front shaft length 16mm and rear shaft length 7.4mm is designed.

Electrical Specification

  • Manufacturer Part Number: 28HS33-1004HE
  • Step Angle: 1.8deg
  • Bi/Unipolar: Bipolar
  • Holding Torque: 0.07Nm/9.94oz.in
  • Rated Current/phase: 1.0A
  • Phase Resistance: 2.1ohms
  • Inductance: 1.5mH 
  • Driving Voltage: 12-24VDC

Physical Specification

  • Frame Size: 28x28mm
  • Body Length: 47.4mm
  • Outer Shaft Diameter: Φ8.0mm
  • Inner Shaft Diameter: Φ3.7mm
  • Front Shaft Length: 16.0mm
  • Rear Shaft Length: 7.4mm
  • Number of Leads: 4
  • Lead Length: 300mm

Encoder Specification

  • Encoder Type: Incremental
  • Encoder Resolution: 2500PPR
  • Encoder Signal Channels: 3
  • No. of Leads: 8
  • Lead Length: 300mm
  • Supply Voltage: 5.0V

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Product Details
Model Number28HS33-1004HE
Product TypeHollow Shaft Stepper Motor
Lead Timein stock
Insulation ClassB
Protective GradeIP20
Stepper Motor Specification
Step Angle(deg.)1.8
Bipolar/UnipolarBipolar
Holding Torque(Nm)0.07
Rated Current(A)1.0
Driving Voltage(VDC)12-24
Frame Size(mm)28x28
Body Length(mm)32.8
Front Shaft Length(mm)16.0
Rear Shaft Length(mm)7.4
Encoder Specification
Encoder TypeIncremental
Encoder Resolution(PPR)2500
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