ORIENTAL MOTOR U.S.A. Corp.
570 Alaska Avenue
Torrance, CA 90503
1-800-GO-VEXTA (468-3982)
High-Torque
PKP Bipolar Type
(4 lead wire)
Compatible Motors (sold separately)
Lead Time1 | - {Contact your local sales office for more information.} |
Motor Type |
- 2-Phase |
Basic Step Angle |
- 1.8º |
Motor Size |
- NEMA 8 |
Frame Size |
- 0.79 in |
Motor Length |
- 1.57 in. |
Holding Torque |
- 5.1 oz-in |
Current per Phase (A/phase) |
- 0.6 |
Voltage (VDC) |
- 3.9 |
Resistance (Ω/phase) |
- 6.5 |
Inductance (mH/phase) |
- 3.5 |
Motor Connection Type |
- Lead Wire |
Connection Type |
- Bipolar |
Shaft/Gear Type |
- Round Shaft with Flat (No Gearhead) |
Output Shaft Diameter |
- 4 mm |
Shaft |
- Double |
Encoder |
- Not Equipped |
Electromagnetic Brake |
- Not Equipped |
Lead Wires |
- 4 |
Rotor Inertia |
- 0.0159 oz-in² |
RoHS Compliant |
- Yes |
Insulation Class |
- Class B [266ºF (130ºC)] |
Insulation Resistance |
- 100 MΩ or more when 500 VDC megger is applied between the windings and the case under normal ambient temperature and humidity. |
Dielectric Strength |
- Sufficient to withstand 0.5 kVAC at 50 Hz or 60 Hz applied between the windings and the case for 1 minute under normal ambient temperature and humidity. |
Temperature Rise |
- Temperature rise of the windings is 144ºF (80ºC) or less measured by the change resistance method. (at rated voltage, at standstill, 2 phases energized) |
Ambient Temperature Range |
- 14 ~ 122ºF (-10 ~ 50ºC) (non-freezing) |
Ambient Humidity |
- 85% or less (Non-Condensing) |
Shaft Runout |
- 0.05 mm (0.002 in.) T.I.R. |
Stop Position Accuracy |
- ±5 arc minutes (±0.083º) |
Radial Load |
- 0 in. from Shaft End = 2.7 lb0.2 in. from Shaft End = 3.3 lb |
Axial Load |
- 0.67 lb |
Radial Play |
- 0.025 mm (0.001 in.) maximum of 5 N (1.12 lb.) |
Axial Play |
- 0.075 mm (0.003 in.) maximum of 1 N (0.225 lb.) |
Concentricity |
- 0.075 mm (0.003 in.) T.I.R. |
Perpendicularity |
- 0.075 mm (0.003 in.) T.I.R. |