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On the phone:
M - F 8:30 am EST to 5:00 pm PST
Customer Service: 1-800-418-7903
Technical Support: 1-800-GO-VEXTA (468-3982)
By e-mail:
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1-800-746-6872
Available Frame Sizes
Standard Type (0.72°/step)
- Product Lineup
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- Step Motor Wiring and Connection
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Need a Motor & Driver System?
Guaranteed Performance
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Highest Torque AC Input |
RS-485 Communications 24 VDC |
Compact Driver 24 VDC |
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Board Level Driver 12 ~ 24 VDC |
Standard Type
The standard PK Series stepping motor offers balanced performance enhanced by high torque, low vibration and low noise. Optimal motor size and winding specification can be selected from a wide range of motor variations.
Encoder Models Available
500 or 1000 pulse/rev.
2/ 3-channel TTL type or 3-channel line driver type
Product Lineup
Type |
Features |
Motor Frame Size |
Basic Step Angle |
Connection Type | Lead Wires | Max. |
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No Encoder |
Encoder |
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A high torque motor generating high torque of approx. 1.3 to 1.5 times the level achieved by the standard type. | 0.79 in. (20 mm) | - | 0.72° | New Pentagon (Bipolar) | 5 | 3.2 oz-in (0.0231 N·m) |
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| 1.10 in. (28 mm) | - | 6.8 ~ 11 oz-in (0.048 ~ 0.072 N·m) |
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| 1.65 in. (42 mm) | 1.65 in. (42 mm) | 34 ~ 59 oz-in (0.24 ~ 0.42 N·m) |
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 Standard |
The basic model offering an optimal balance of torque, low vibration and low noise. | 1.65 in. (42 mm) | 1.65 in. (42 mm) | 18.4 ~ 34 oz-in (0.13 ~ 0.24 N·m) |
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| 2.36 in. (60 mm) | 2.36 in. (60 mm) | 59 ~ 230 oz-in (0.42 ~ 1.66 N·m) |
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| 3.35 in. (85 mm) | 3.35 in. (85 mm) | 290 ~ 890 oz-in (2.1 ~ 6.3 N·m) |
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View Products = View all PK Series Stepping Motors