Waterproof Stepper Motors - 23 Family Size - U Series
Individual Motor Specifications
| Model Number | WP-U21 | WP-U22 | WP-U23 |
| Drawing Number | list | list | list |
| Environment | WP | WP | WP |
| Motor | U21 | U22 | U23 |
| NEMA Frame Size | 23 | 23 | 23 |
| Pricing | WP-U21 | WP-U22 | WP-U23 |
| Number of Magnetic Stacks | 1 | 2 | 3 |
| Step Angle | 1.8 | 1.8 | 1.8 |
| Accuracy Grade (%) | 3 | 3 | 3 |
| Detent Torque (oz-in) | 6 | 15 | 21 |
| Static Torque At Thermal Current {unipolar} (oz-in) | 45 | 80 | 120 |
| Static Torque At Thermal Current {parallel} (oz-in) | 50 | 85 | 110 |
| Static Torque At Thermal Current {series} (oz-in) | 60 | 110 | 130 |
| Thermal Current {unipolar} (A) | 1.4 | 1.6 | 2.0 |
| Thermal Current {parallel} (A) | 1.8 | 1.8 | 2.3 |
| Thermal Current {series} (A) | 1.4 | 1.4 | 1.8 |
| Single Coil Inductance (mH) | 3.5 | 3.5 | 3.5 |
| Single Coil Resistance (ohm) | 1.4 | 1.4 | 1.4 |
| Series Inductance (mH) | 14 | 14 | 14 |
| Series Resistance (ohm) | 3.2 | 3.2 | 3.2 |
| Bearing Type | C/F | C/F | C/F |
| Bearing Thrust Load (lbs) | 25 | 25 | 25 |
| Bearing Radial Load (lbs) | 50 | 50 | 50 |
| 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) | .48 | 1.28 | 1.75 |
| Body Diameter (in) | 2.38 | 2.38 | 2.38 |
| Body Length (in) | 4.5 | 5.5 | 6.5 |
| Weight (lbs) | 5.61 | 6.85 | 8.09 |
*Contact Factory
Options:
- Gearboxes
- Feedback Devices
- Brakes
- Temperature Sensors
- Pressure Compensators
Modifications:
- Keyways
- Custom Shafts
Speed/Torque (oz-in) Charts
Wiring InformationFrequently Asked Questions About Waterproof Motors
Go Back