Unit Conversion Tool
We're Here to Help
Business Hours - Monday to Friday, 8:30am EST to 5:00pm PST
U.S.A. Customers:
Customer Service - 1-800-418-7903
Tech Support – 1-800-GO-VEXTA (468-3982)
International Customers:
+1-847-871-5931 or
+1-310-715-3303
For Japanese:
1-800-746-6872 or
+1-310-715-3303
1-800-GO-VEXTA (468-3982)
The standard PK series stepper motor offers balanced performance enhanced by high torque, low vibration and low noise.
- Encoder Model
- Encoder cables required for connection.
Specifications
Product Line |
- VEXTA ® |
Motor Type |
- 2-Phase |
Motor Frame Size |
- 3.35 in. sq. |
Shaft/Gear Type |
- Round Shaft (No Gearhead) |
Holding Torque |
- 620 oz-in |
Type |
- Standard |
Connection Type |
- Bipolar |
Lead Wires |
- 4 |
Current per Phase (A/phase) |
- 4.5 |
Encoder |
- Equipped |
Shaft |
- Single |
Voltage (VDC) |
- 1.5 [Bipolar] |
Resistance (Ω/phase) |
- 0.33 [Bipolar] |
Inductance (mH/phase) |
- 2.5 [Bipolar] |
Step Angle |
- 1.8 ° |
Rotor Inertia (oz-in2) |
- 14.8 oz-in2 |
RoHS Compliant |
- Yes |
Insulation Resistance |
- 100 M Ω 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 1.0 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 176°F (80°C) or less measured by the change resistance method when equipped with an aluminum heat sink of 9.84 x 9.84 in., 0.39 in., thick. (at rated voltage, at standstill, 2 phases energized) |
Insulation Class |
- Class B [266°F (130°C)] |
Ambient Temperature Range |
- 14 ~ 122°F (-10 ~ 50°C) (non-freezing) |
Ambient Humidity |
- 85% or less (non-condensing) |
Shaft Runout |
- 0.05 mm (0.002 in.) T.I.R. |
Concentricity |
- 0.075 mm (0.003 in.) T.I.R. |
Perpendicularity |
- 0.075 mm (0.003 in.) T.I.R. |
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 10 N (2.2 lb.) |
Step Accuracy |
- ±3 arc minutes (±0.05°) |
Encoder Type |
- Incremental |
Encoder Resolution (P/R) |
- 400 |
Output |
- 3-Channel A, B, I |
Input Current (mA) |
- 27 (Typ.) |
Input Voltage (V) |
- 5 ±10% |
Output Type |
- TTL |
Output Voltage (Low) |
- 0.5 VDC, 8 mA |
Output Voltage (High) |
- 2.0 VDC, –8 mA |
Response Frequency (kHz) |
- 300 (Max.) |
