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NEMA 23 Bipolar 0.9deg 1.15Nm(159.7oz.in) 2.8A 2.5V 57x57x55mm 4 Wires Stepper Motor

NEMA 23 Bipolar 0.9deg 1.15Nm(159.7oz.in) 2.8A 2.5V 57x57x55mm 4 Wires Stepper Motor

Manufacturer Part Number: 57H055HM-2804
Frame Size: 57x57mm
Motor Type: Bipolar Stepper
Step Angle: 0.9 deg
Holding Torque: 1.15 Nm(159.7 oz.in)
Rated Voltage: 2.5V
Rated Current/phase: 2.8A
Phase Resistance: 0.9 ohms
Inductance: 4.5 mH ± 20%(1KHz)
Body Length: 55mm

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Product Introduction

Technical Parameter

Item

Specifications

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

 

Technical Specification

Model No.

Polar

Rated
Voltage

Current/
Phase

Resistance/
Phase

Inductance/
Phase

Holding
Torque

# of
Leads

Rotor
inertia

Weight

Length
   

V

A

Ω

mH

oz-in

kgf · cm

  

g∙ cm2

kg

mm

57H055HM-2804

 Bipolar

2.5

2.8

0.9

4.5

159.7

11.5

 4

300

0.7

55

 

32

 

Pull Out Torque Curve

30

FAQ

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 production. Every product will be carefully tested before it's packed for shipment.

 

Q: What about the after-sale service?

A: We provide 12 months quality warranty after dispatch, we also provide technical advisory services at the early stage of the project.

 

Q: Can the products be manufactured by the customer's requirements?

A: Yes, the specifications stated above are the standard ones, we can design and manufacture as required.

 

 

 

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