For the complete documentation index, see llms.txt. This page is also available as Markdown.

Stepper Motors

An informative list to help you choose the motors for your project.


42STH60-3004AH (Classifieds)

2.85A RMS | 12.4 Oz-in | XY | Integrated thermistor

Very torque heavy but with a slightly lower top speed than 2504's.

More Info
Type
Info

Phase Resistance

1.1x(1±20%)Ω

Phase Inductance

2.3x(1±20%)mH

Holding Torque

12.4 Oz-in | 88 N-cm

Rated Current

2.85A RMS

Coil Temp Limit

180c


42STH48-2804AH

2.8a RMS | 5.9 Oz-in | XY

We have observed heavy VFA when running these motors at 48v.

More Info
Type
Info

Phase Resistance

0.7x(1±20%)Ω

Phase Inductance

0.6x(1±20%)mH

Holding Torque

5.9 Oz-in | 42 N-cm

Rated Current

2.8A RMS

Coil Temp Limit

180c (AH) | 130c (AC)


42STH48-2504AH

2.5A RMS | 7.6 Oz-in | Comes in AH(High temp) and AC configurations

Regarded as the best overall steppers for speed and quality.

More Info
Type
Info

Phase Resistance

1.2x(1±20%)Ω

Phase Inductance

1.5x(1±20%)mH

Holding Torque

7.6 Oz-in | 55 N-cm

Rated Current

2.5A RMS

Coil Temp Limit

180c (AH) | 130c (AC)


42STH48-2004AH

2.0A RMS | 5.6 Oz-in | Comes in MAH/AH variants

Slightly underpowered for CoreXY, best used in Z.

More Info
Type
Info

Phase Resistance

1.6x(1±20%)Ω

Phase Inductance

3.0x(1±20%)mH

Holding Torque

5.6 Oz-in | 59 N-cm

Rated Current

2.0A RMS

Coil Temp limit

130c (AC/MAC)


42STH48-1684AC

1.68A RMS | 6.08 Oz-in | Comes in MAC/AC variants.

Underpowered for CoreXY, best used in Z.

More Info
Type
Info

Phase Resistance

1.65x(1±20%)Ω

Phase Inductance

2.8x(1±20%)mH

Holding Torque

6.08 Oz-in | 43 N-cm

Rated Current

1.68

Coil Temp Limit

130c (AC/MAC)

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