Hazardous Area Stepper Motors -PT 34 Family Size - U Series
Individual Motor Specifications
| Model Number | PT-U31 | PT-U32 | PT-U33 | 
| Drawing Number | list | list | list | 
| Environment | PT | PT | PT | 
| Motor | U31 | U32 | U33 | 
| Pricing | PT-U31 | PT-U32 | PT-U33 | 
| NEMA Frame Size | 34 | 34 | 34 | 
| 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) | 2.7 | 3.9 | 5.4 | 
| Weight (lbs) | C/F | C/F | C/F | 
Options:
- Gearboxes
- Feedback Devices
- Brakes
- Temperature Sensors
Modifications:
- Keyways
- Custom Shafts
Speed/Torque (oz-in) Charts
Wiring InformationFAQ

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