2-phase Biploar Step Motors With High Torque Models
Original price was: $165.05.$95.99Current price is: $95.99.
- Bipolar step motors
- Sizes ranging from NEMA 11 to NEMA 34
- Holding torque from 15 oz-in to 1845 oz-in
- 200 full steps per revolution (1.8° per step)
- 100% Quality Satisfaction
- Uncompromising quality, every time.
- Quality You Can Trust
- Your questions, our prompt answers.
Omega offers a robust line of 2-phase biploar high torque stepper motors ranging in frame size from NEMA 11 to NEMA 34. Most of our models are the high torque style, with holding torques up to 1845 oz-in.
All step motors conform to industry-standard NEMA mounting dimensions, and are offered with a range of well-featured, compatible drives and indexers. With the exception of our two smallest motors (OMHT11-013, OM5014-842), all of our high torque step motors are optimized for microstepping: they can achieve a stepping resolution of up to 51,200 steps/revolution (.007° per step) when operated by one of our microstepping drives.
Although it is not necessary, these motors can be fitted with one of our incremental encoders, which can aid in stall detection and prevention.
Important Note About Motor Current vs Drive Current:
When setting the drive current, you should multiply the stepper motor’s nameplate current by 1.2. This provides the correct conversion from the motor’s full-step nameplate rating to the drive’s current setting. If the motor nameplate current is specified as 5 Amps, set the drive current to 6 Amps (5 x 1.2) to achieve full performance.
Most of the stepper motors are 8-lead motors, offering the flexibility of either series or parallel connection. The high torque motors should be series connected for best torque at low speeds, and parallel connected for best torque at higher speeds.
Motor Wiring — Parallel Connection (8-lead motors):
Drive A+ = Orange + Black/White
Drive A- = Black + Orange/White
Drive B+ = Red + Yellow/White
Drive B- = Yellow + Red/White
Motor Wiring — Series Connection (8-lead motors):
Drive A+ = Orange
Drive A- = Black
Drive B+ = Red
Drive B- = Yellow
Connect Orange/White to Black/White (not connected to drive)
Connect Red/White to Yellow/White (not connected to drive)
Motor Wiring (4-lead motors):
Drive A+ = Red
Drive A- = Blue
Drive B+ = Yellow
Drive B- = White
OPTIMAL DRIVE/MOTOR COMBINATIONS — ‘X’ INDICATES PRIMARY MOTOR CHOICE
| Drive | ||||||||||||
| MOTOR |  1240i |  2035 |  3540i |  3540M |  3540MO |  Si3540 |  STR2 |  STR4 |  STR8 |  ST5-S/Si |  ST10-S/Si |  STAC6-S/Si |
| OMHT11-013Â Â Â | X | X | Â | Â | Â | Â | X | Â | Â | Â | Â | Â |
| OM5014-842 | X | X | Â | Â | Â | Â | X | Â | Â | Â | Â | Â |
| OMHT17-075 | X | X | X | X | X | X | X | Â | Â | X | Â | Â |
| OMHT17-275 | X | X | X | X | X | X | X | Â | Â | X | Â | Â |
| OMHT17-278 | X | X | X | X | X | X | Â | X | Â | X | Â | Â |
| OMHT23-393 | X | X | X | X | X | X | X | Â | Â | X | Â | Â |
| OMHT23-593 | X | X | X | X | X | X | X | Â | Â | X | Â | Â |
| OMHT23-397 | Â | X | X | X | X | X | Â | X | Â | X | Â | Â |
| OMHT23-597 | Â | X | X | X | X | X | Â | X | Â | X | Â | Â |
| OMHT23-400 | Â | X | X | X | X | X | Â | X | Â | X | Â | Â |
| OMHT23-600 | Â | X | X | X | X | X | Â | X | Â | X | Â | Â |
| OMHT23-603 | Â | Â | X | X | X | X | Â | Â | X | Â | X | Â |
| OMHT24-100 | Â | Â | X | X | X | X | Â | X | Â | X | Â | Â |
| OMHT24-105 | Â | Â | Â | Â | Â | Â | Â | X | Â | X | Â | Â |
| OMHT24-108 | Â | Â | Â | Â | Â | Â | Â | X | Â | X | Â | Â |
| OMHT34-504 | Â | Â | Â | Â | Â | Â | Â | Â | X | Â | X | Â |
| OMHT34-485 | Â | Â | Â | Â | Â | Â | Â | Â | X | Â | X | Â |
| OMHT34-505 | Â | Â | Â | Â | Â | Â | Â | Â | X | Â | X | Â |
| OMHT34-486 | Â | Â | Â | Â | Â | Â | Â | Â | X | Â | X | Â |
| OMHT34-506 | Â | Â | Â | Â | Â | Â | Â | Â | X | Â | X | Â |
| OMHT34-487 | Â | Â | Â | Â | Â | Â | Â | Â | X | Â | X | Â |
| OMHT23-550 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | X |
| OMHT34-488 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | X |
| OMHT34-490 | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | X |
RECOMMENDED MOTORS
| MODEL NO. | MOTOR CONNECTION 1 = SERIES 2 = PARALLEL 3 = UNIPOLAR | MOTOR LENGTH mm (in) | Â HOLDING TORQUE2 (oz-in) | LEADS | STEP ANGLE (DEG) | VOLTS | AMPS | OHMS | MH | ROTOR INERTIA (oz-in2/ g-cm2) | MOTOR WEIGHT g (lb) |
| OMHT11-013 | 2 | 48 (1.87) | 15 | 4 | 1.8 | 2.0 | 1.0 | 2.0 | 2.6 | 0.098/18 | 177 (0.39) |
| OM5014-842 | 2 | 40 (1.57) | 26.0 | 4 | 1.8 | 4.8 | 1.0 | 4.3 | 5.5 | 0.109/20 | 213 (0.47) |
| OMHT17-075 | 1 | 47 (1.85) | 62.8 | 8 | 1.8 | 5.7 | 0.85 | 6.6 | 12.0 | 0.37/68 | 331 (0.73) |
| 2 | 2.8 | 1.70 | 1.7 | 3.0 | |||||||
| 3 | 44.4 | 4.0 | 1.20 | 3.3 | 3.0 | ||||||
| OMHT17-275 | 1 | 48 (1.90) | 62.3 | 8 | 1.8 | 5.7 | 0.85 | 6.6 | 10.0 | 0.44/82 | 357 (0.79) |
| 2 | 2.8 | 1.70 | 1.7 | 2.5 | |||||||
| 3 | 44.0 | 4.0 | 1.20 | 3.3 | 2.5 | ||||||
| OMHT17-278 | 1 | 63 (2.47) | 113 | 8 | 1.8 | 6.4 | 1.0 | 6.4 | 12.0 | 0.66/121 | 357 (1.32) |
| 2 | 3.2 | 2.0 | 1.6 | 3.0 | |||||||
| 3 | 79.0 | 4.5 | 1.40 | 3.2 | 3.0 | ||||||
| OMHT23-393 | 1 | 39 (1.54) | 76.6 | 8 | 1.8 | 7.4 | 0.71 | 10.4 | 21.6 | 0.66/120 | 454 (1.00) |
| 2 | 3.7 | 1.41 | 2.6 | 5.4 | |||||||
| 3 | 54.2 | 5.2 | 1.00 | 5.2 | 5.4 | ||||||
| OMHT23-593 | 1 | 41 (1.61) | 79.3 | 8 | 1.8 | 7.4 | 0.71 | 10.4 | 26.1 | 0.73/135 | 417 (0.92) |
| 2 | 3.7 | 1.41 | 2.6 | 6.6 | |||||||
| 3 | 59.4 | 5.2 | 1.00 | 5.2 | 6.6 | ||||||
| OMHT23-397 | 1 | 54 (2.13) | 177.0 | 8 | 1.8 | 5.1 | 1.41 | 3.6 | 10.0 | 1.64/300 | 699 (1.54) |
| 2 | 2.5 | 2.83 | 0.9 | 2.5 | |||||||
| 3 | 125.0 | 3.6 | 2.00 | 1.8 | 2.5 | ||||||
| OMHT23-597 | 1 | 54 (2.13) | 177.0 | 8 | 1.8 | 5.1 | 1.41 | 3.6 | 10.8 | 1.42/260 | 599 (1.32) |
| 2 | 2.5 | 2.83 | 0.9 | 2.7 | |||||||
| 3 | 127.4 | 3.6 | 2.00 | 1.8 | 2.7 | ||||||
| OMHT23-400 | 1 | 76 (2.99) | 264.0 | 8 | 1.8 | 6.4 | 1.41 | 4.5 | 14.4 | 2.62/480 | 998 (2.20) |
| 2 | 3.2 | 2.83 | 1.1 | 3.6 | |||||||
| 3 | 187.0 | 4.5 | 2.00 | 2.3 | 3.6 | ||||||
| OMHT23-600 | 1 | 76 (2.99) | 264.8 | 8 | 1.8 | 6.4 | 1.41 | 4.5 | 15.6 | 2.51/460 | 998 (2.20) |
| 2 | 3.2 | 2.83 | 1.1 | 3.9 | |||||||
| 3 | 187.0 | 4.5 | 2.00 | 2.3 | 3.9 | ||||||
| OMHT23-603 | 1 | 111 (4.37) | 354 | 8 | 1.8 | 5.0 | 2.5 | 2.0 | 8.8 | 4.02/735 | 1497 (3.30) |
| 2 | 2.5 | 5.0 | 0.5 | 2.2 | |||||||
| 3 | 264 | 3.5 | 3.5 | 1.0 | 2.2 | ||||||
| OMHT23-5501 | 1 | 78 (3.05) | 255.0 | 8 | 1.8 | 6.3 | 1.41 | 4.5 | 15.2 | 2.62/480 | 998 (2.20) |
| 2 | 3.2 | 2.83 | 1.13 | 3.8 | |||||||
| 3 | 180.5 | 4.5 | 2.00 | 2.25 | 3.8 | ||||||
| OMHT24-100 | 2 | 44 (1.73) | 123 | 4 | 1.8 | 2.0 | 2.8 | 0.73 | 1.6 | 1.42/260 | 599 (1.32) |
| OMHT24-105 | 2 | 54 (2.13) | 177 | 4 | 1.8 | 1.7 | 4.0 | 0.43 | 1.1 | 2.46/450 | 830 (1.83) |
| OMHT24-108 | 2 | 85 (3.35) | 354 | 4 | 1.8 | 2.6 | 4.0 | 0.65 | 2.4 | 4.91/900 | 1402 (3.09) |
| OMHT34-504 | 1 | 66 (2.62) | 396 | 8 | 1.8 | 3.05 | 3.18 | 0.96 | 6.8 | 6.0/1100 | 1588 (3.5) |
| 2 | 1.51 | 6.3 | 0.24 | 1.7 | |||||||
| 3 | 297 | 2.16 | 4.5 | 0.48 | 1.7 | ||||||
| OMHT34-485 | 1 | 79 (3.11) | 650 | 8 | 1.8 | 3.2 | 4.3 | 0.76 | 5.2 | 7.8/1400 | 2803 (6.18) |
| 2 | 1.6 | 8.6 | 0.19 | 1.3 | |||||||
| 3 | 455 | 2.26 | 6.0 | 0.38 | 1.3 | ||||||
| OMHT34-505 | 1 | 96 (3.78) | 849 | 8 | 1.8 | 4.20 | 3.18 | 1.32 | 10.8 | 10.1/1850 | 2676 (5.9) |
| 2 | 2.08 | 6.3 | 0.33 | 2.7 | |||||||
| 3 | 608 | 2.97 | 4.5 | 0.66 | 2.7 | ||||||
| OMHT34-486 | 1 | 118 (4.63) | 1200 | 8 | 1.8 | 4.4 | 4.1 | 1.08 | 8.8 | 14.6/2680 | 3810 (8.40) |
| 2 | 2.2 | 8.1 | 0.27 | 2.2 | |||||||
| 3 | 840 | 3.1 | 5.7 | 0.54 | 2.2 | ||||||
| OMHT34-506 | 1 | 125 (4.94) | 1260 | 8 | 1.8 | 5.43 | 2.8 | 1.94 | 21.6 | 15.0/2750 | 3810 (8.4) |
| 2 | 2.74 | 5.6 | 0.49 | 5.4 | |||||||
| 3 | 906 | 3.88 | 4.0 | 0.97 | 5.4 | ||||||
| OMHT34-487 | 1 | 156 (6.14) | 1845 | 8 | 1.8 | 4.8 | 4.5 | 1.08 | 9.6 | 21.9/4000 | 5398 (11.9) |
| 2 | 2.4 | 9.0 | 0.27 | 2.4 | |||||||
| 3 | 1290 | 3.4 | 6.3 | 0.54 | 2.4 | ||||||
| OMHT34-4881 | 1 | 79 (3.11) | 650 | 8 | 1.8 | 3.2 | 4.3 | 1.6 | 5.2 | 7.8/1400 | 3629 (8.00) |
| 2 | 1.6 | 8.6 | 0.4 | 1.3 | |||||||
| 3 | 455 | 2.26 | 6.0 | 0.8 | 1.3 | ||||||
| OMHT34-4901 | 1 | 156 (6.14) | 1845 | 8 | 1.8 | 4.5 | 4.8 | 1.7 | 9.6 | 21.9/4000 | 5398 (11.9) |
| 2 | 2.25 | 9.6 | 0.42 | 2.4 | |||||||
| 3 | 1290 | 3.2 | 6.8 | 0.85 | 2.4 |
1Motor with 3m (10′) shielded cable
2Guaranteed minimum holding torque; actual torque may be 5-10% greater
| Form Factor | NEMA 23, NEMA 11, NEMA 17, NEMA 24, NEMA 34 |
|---|---|
| Shaft Configuration | Single, Double, Built in Encoder |
| Holding Torque | 264.8 oz-in, 15 oz-in, 62.8 oz-in, 62.3 oz-in, 113 oz-in, 255 oz-in, 79.3 oz-in, 177 oz-in, 354 oz-in, 123 oz-in, 650 oz-in, 1200 oz-in, 1845 oz-in, 396 oz-in, 849 oz-in, 1260 oz-in |
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