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NEMA 17 Bipolar 1.8deg 0.15Nm 1A 3.7V 42x42x20.5mm 4Wire Stepper Motor

NEMA 17 Bipolar 1.8deg 0.15Nm 1A 3.7V 42x42x20.5mm 4Wire Stepper Motor

Manufacturer Part Number:42H021H-1004-009
Frame Size: 42x42mm
Motor Type: Bipolar Stepper
Holding Torque: 1.5 kgf.cm
Rated Current/phase: 1.0 A
Rated Voltage: 3.7 V
Common application: 3D Printer,CNC Machines,Textile Machines, etc

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42H021H-1004-009 DATASHEET
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Product Introduction

General Specification

Step Angle Accuracy

±5%

Resistance Accuracy

±10%

Inductance Accuracy

±20%

Temperature Rise

80K Max.

Ambient Temperature

-20℃~+50℃

Insulation Resistance

100MΩMin.@ 500VDC

Dielectric strength

One minute@500VAC∙5mA Max.

Shaft Radial Play

0.06Max.@450g

Shaft Axial Play

0.08Max.@450g

 

Electrical Specification

Model Number 42H021H-1004-009
Motor Type Bipolar
Step Angle 1.8°±5%
Number of Phase 2
Holding Torque 1.5 kgf.cm
Rated Current/phase 1.0 A (peak value)
Rated Voltage 3.7 V
Phase Resistance 3.7 Ω±10%（20℃）
Phase Inductance 4.5 mH±20% (1kHz 1V RMS)
Rotor Inertia 22 g.cm²

 

Physical Specification

Frame Size 42x42 mm
Body Length 20.5 mm
Shaft Diameter Φ5 mm
Front Shaft Length 20 mm
D-cut Shaft Length 16.5 mm
Number of Lead 4
Lead Length 400 mm
Wire Gauge AWG24
Weight 0.15 kg

 

Connection

A

B

C

D

Black

Red

Green

Blue

 

FAQ

Q: What is a Nema 17 stepper motor?

A: The Nema 17 stepper motor is a type of stepper motor that follows the NEMA (National Electrical Manufacturers Association) standard for its dimensions and mounting. It has a frame size of 1.7 x 1.7 inches (43.2 x 43.2 mm).

 

Q: What is the difference between a Nema 17 stepper motor and other Nema sizes, like Nema 23 or Nema 34?

A:  The primary difference lies in the physical size and torque output. Nema 17 stepper motors have a compact frame size of 1.7 x 1.7 inches, while Nema 23 and Nema 34 have larger dimensions. Nema 23 offers a balance between size and torque, and Nema 34 is even larger, providing higher torque capabilities. Nema 17 is suitable for applications with moderate torque demands, whereas Nema 23 and 34 are preferred for high-torque applications.

 

Q: How does your factory do regarding quality control?

A: Quality is the priority. We always attach great importance to quality control from the very beginning to the end of the production. Every product will be carefully tested before it's packed for shipment.

 

Q: Is it possible for us to tour your factory prior to confirming our order?

A: Certainly, we would be delighted to arrange a factory visit for you. This not only allows you to familiarize yourself with our operations but also helps establish a solid foundation for our business relationship.

 

 

 

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