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Nema 8 (20mm) High Torque Hybrid Stepper Motors
Motion Control Products range of high torque NEMA 8 (20mm) hybrid stepper motors are available with a holding torque up to 29mNm.
A high torque stepper motor output more torque than standard hybrid stepper motors due to the use of powerful rare earth magnets instead of the traditional permanent magnets. The motors are 1.8 degrees-per-step have single or double shaft and the option of optical encoder and planetary gearbox options available for most motors.
Specifications:
| Step Angle | 1.8 Deg |
| Step Angle Accuracy | 5% (full step, no load) |
| Resistance Accuracy | 10% |
| Inductance Accuracy | 20% |
| Temperature Rise | 80 ºC Max. (rated current,2 phase on) |
| Ambient Temperature | -20 ºC ~ +50 ºC |
| Insulation Resistance | 100M Min. ,500VDC |
| Dielectric Strength | 500VAC for one minute |
| Shaft Radial Play | 0.02Max. (450 g-load) Shaft |
| Axial Play | 0.08Max. (450 g-load) Max. |
| radial force | 20N |
| Max. axial force | 2N |
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Model No.
|
Voltage
|
Current
(phase) |
Inductance
(Phase) |
Holding
Torque |
Shaft
Version |
|
|
V
|
A
|
mH
|
mNm
|
|||
|
FL20STH30-0604A
|
3.9
|
0.6
|
1.7
|
17.6
|
Single
|
|
|
FL20STH33-0604A
|
3.9
|
0.6
|
1.7
|
17.6
|
Single
|
|
|
FL20STH33-0604B
|
3.9
|
0.6
|
1.7
|
17.6
|
Double
|
|
|
FL20STH42-0804B
|
4.32
|
0.8
|
1.5
|
29.4
|
Double
|
|
|
FL20STH42-0804A
|
4.32
|
0.8
|
1.5
|
29.4
|
Single
|
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