| Model Number |
HT-U31 |
HT-U32 |
HT-U33 |
| Drawing Number |
list |
list |
list |
| Motor |
U31 |
U32 |
U33 |
| NEMA Frame Size |
34 |
34 |
34 |
| Pricing |
HT-U31 |
HT-U32 |
HT-U33 |
| Number of Magnetic Stacks |
1 |
2 |
3 |
| Step Angle |
1.8 |
1.8 |
1.8 |
| Accuracy Grade (%) |
3 |
3 |
3 |
| Detent Torque (oz-in) |
12 |
26 |
31 |
| Static Torque At Thermal Current {unipolar} (oz-in) |
100 |
230 |
370 |
| Static Torque At Thermal Current {parallel} (oz-in) |
120 |
265 |
400 |
| Static Torque At Thermal Current {series} (oz-in) |
155 |
320 |
450 |
| Thermal Current {unipolar} (A) |
2.3 |
3.6 |
5.0 |
| Thermal Current {parallel} (A) |
3.4 |
4.5 |
6.3 |
| Thermal Current {series} (A) |
1.9 |
2.7 |
3.4 |
| Single Coil Inductance (mH) |
3.5 |
3.5 |
3.5 |
| Single Coil Resistance (ohm) |
0.6 |
0.6 |
0.6 |
| Series Inductance (mH) |
14 |
14 |
14 |
| Series Resistance (ohm) |
1.5 |
1.3 |
1.1 |
| Bearing Type |
C/F |
C/F |
C/F |
| Bearing Thrust Load (lbs) |
25 |
25 |
25 |
| Bearing Radial Load (lbs) |
100 |
100 |
100 |
| Bearing End Play (10-3 in) |
C/F |
C/F |
C/F |
| Bearing Radial Play (10-3 in) |
8 |
8 |
8 |
| Rotor Inertia (oz-in2) |
3.5 |
6.7 |
10.3 |
| Body Diameter (in) |
3.4 |
3.4 |
3.4 |
| Body Length (in) |
2.5 |
3.7 |
5.2 |
| Weight (lbs) |
3.8 |
5.2 |
8.3 |
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