Size 28 Step Motor
Step Motor Standard Features:
• Rigid construction
• Sleeve bearing
• Lead positioning
• 105° C insulation
• Step angle accuracy range between ±.5° and ±1.0°
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Optional Features:
• Voltages
• Ball bearings
• Higher insulation class
• Custom leads and terminations
• Custom shafting
• Custom mounting
• Rear shaft extensions
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Metric Specifications Switch to English
| Part Number | Rated Voltage | Drive Type | Step Angle | Holding Torque | Detent Torque | Step Time | Rotor Inertia | Resistance per Phase | Inductance per Phase | Voltage Constant | Pull Out Torque versus Rate | Pull In Torque versus Rate | Motor O.D. |
| | Volts | | Deg | mNm | mNm | msec | kg-cm2 | Ohms | mH | V/kRPM | mNm/PPS | mNm/PPS | mm |
| S-390 | 5 | Bipolar | 7.5 | 331.9 | 22.1 | 14.0 | 148.3 | 1.8 | 12.9 | 30.8 | 311 - (1.412*PPS) | 237 - (1.318*PPS) | 70.4 |
| S-116 | 5 | Unipolar | 7.5 | 293.1 | 22.5 | 15.0 | 148.3 | 3.6 | 12.7 | 30.9 | 254 - (1.130*PPS) | 187 - (1.036*PPS) | 70.4 |
| S-385 | 5 | Bipolar | 15.0 | 331.9 | 22.1 | 9.5 | 148.3 | 1.8 | 10.5 | 23.2 | 275 - (1.412*PPS) | 240 - (1.412*PPS) | 70.4 |
| S-110 | 5 | Unipolar | 15.0 | 211.9 | 20.3 | 9.0 | 148.3 | 3.6 | 10.4 | 23.3 | 162 - (0.791*PPS) | 155 - (0.989*PPS) | 70.4 |
| S-407 | 12 | Bipolar | 7.5 | 331.9 | 22.1 | 18.8 | 148.3 | 10.7 | 85.6 | 79.5 | 311 - (1.412*PPS) | 237 - (1.318*PPS) | 70.4 |
| S-365 | 12 | Unipolar | 7.5 | 293.1 | 22.5 | 19.5 | 148.3 | 21.4 | 75.5 | 75.3 | 254 - (1.130*PPS) | 187 - (1.036*PPS) | 70.4 |
| S-409 | 12 | Bipolar | 15.0 | 331.9 | 22.1 | 12.4 | 148.3 | 10.7 | 70.0 | 59.7 | 275 - (1.412*PPS) | 240 - (1.412*PPS) | 70.4 |
| S-405 | 12 | Unipolar | 15.0 | 211.9 | 20.3 | 11.6 | 148.3 | 21.4 | 61.7 | 56.8 | 162 - (0.791*PPS) | 155 - (0.989*PPS) | 70.4 |
| S-356 | 24 | Bipolar | 7.5 | 331.9 | 22.1 | 21.5 | 148.3 | 42.8 | 310.1 | 151.3 | 311 - (1.412*PPS) | 237 - (1.318*PPS) | 70.4 |
| S-451 | 24 | Unipolar | 7.5 | 293.1 | 22.5 | 23.0 | 148.3 | 85.6 | 301.4 | 150.5 | 254 - (1.130*PPS) | 187 - (1.036*PPS) | 70.4 |
| S-408 | 24 | Bipolar | 15.0 | 331.9 | 22.1 | 16.0 | 148.3 | 42.8 | 253.6 | 113.6 | 275 - (1.412*PPS) | 240 - (1.412*PPS) | 70.4 |
| S-406 | 24 | Unipolar | 15.0 | 211.9 | 20.3 | 18.0 | 148.3 | 85.4 | 246.4 | 113.5 | 162 - (0.791*PPS) | 155 - (0.989*PPS) | 70.4 |
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