NEMA8 1.8° 2-Phase Hybrid Stepper Motor
NEMA8 1.8° 2-Phase Hybrid Stepper Motor
NEMA8 1.8° 2-Phase Hybrid Stepper Motor
NEMA8 1.8° 2-Phase Hybrid Stepper Motor
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  • NEMA8 1.8° 2-Phase Hybrid Stepper Motor

  • Step Angle:1.8°
    Temperature Rise:80℃ Max
    Ambient Temperature:-20℃ Max ~ +50℃
    Insulation Resistacne:100M ΩMin.,500VDC
    Dielectric Strength:500VAC for 1 minute
    Shaft Radial Play:0.02Max(450g-load)
    Shaft Axial Play:0.08Max(450g-load)
    Max.Radial Force:20N(20mm from th flange)
    Max.Axial Force:2N
  • 1 piece

  • Online consultation

Parameters

Model No Step Rated
Voltage
Rated
Current
Phase
Resistance
Phase Inductance
(mH)
Holding Torque
(g.cm)
Rotor Inertia
(g.cm²)
Motor Length
(mm)
Leads Motor
Weight
Angle (°) (V) (A) (Ω) No. (g)
20HS28-0204 1.8 4.6 0.2 23 8.2 140 2.5 28 4 50
20HS30-0506 1.8 5.75 0.5 11.5 1.7 180 2.8 30 6 60
20HS33-0604 1.8 3.9 0.6 4.5 1.6 180 3.2 33 4 70
20HS38-0604 1.8 6 0.6 10 5.5 260 3.6 38 4 80
20HS42-0804 1.8 1.2 0.8 1.5 5.4 300 4 42 4 90

Introduction

A Nema 8 stepper motor is a stepper motor with a 0.8 x 0.8 inch (20 x 20 mm) faceplate. Nema 8 high torque stepper motors provide high torque in a compact size. The design of these motors is to provide the highest possible torque but minimize vibration and audible noise. A large selection of motor windings and stack lengths can be selected, or you can customize the motor to meet your machine requirements. Motors are available in a standard 4-lead configuration. We can also have the windings customized to perfectly match your voltage, current and maximum torque at operating speeds. Special shaft modifications, cables and connectors can also be provided upon request.

NEMA stepper motor sizes depend on the frame size of the stepper motor. NEMA means the standards set by “National Electrical Manufacturers Association”, which is comprised of 560 major electrical manufacturers in the United States, primarily consisting of manufacturers of equipment and devices for power generation, transmission, distribution, and power applications. The purpose of standard setting is to eliminate misunderstandings between electrical product manufacturers and users and to specify the safety of these product applications.

  • The 20HS two-phase stepper motor is suitable for a wide range of motion control applications.
  • This mini nema 8 stepper motor is the smallest hybrid motor we carry, it with step angle 1.8deg and size 20x20x28mm. It has 4 wires, each phase draws 0.2-0.8A at 4.8V, with holding torque 1.4-3Ncm(2-4.3oz.in).

Electrical Specification:

  • Manufacturer Part Number: 20HS
  • Motor Type: Bipolar Stepper
  • Step Angle: 1.8 deg
  • Holding Torque: 1.4-3Ncm(2-4.3oz.in)
  • Rated Current/phase: 0.2-0.8A
  • Phase Resistance: 1.7-8.2mH
  • Inductance: 8mH ± 20%(1KHz)

Physical Specification:

  • Frame Size: 20 x 20mm
  • Body Length: 28mm
  • Shaft Diameter: Φ4mm
  • Shaft Length: 10mm
  • D-cut Length: 7mm
  • Number of Leads: 4
  • Lead Length: 300mm
  • Weight: 50-90g

Dimensions (Unit=mm):

NEMA8 1.8° 2-Phase Hybrid Stepper Motor

Wiring Diagram:

NEMA8 1.8° 2-Phase Hybrid Stepper Motor

Features

NEMA8 1.8° 2-Phase Hybrid Stepper Motor

Application

Online Customization

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