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About Electric Motors
When replacing a motor, use the information on your motor’s nameplate to guide your selection.
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Brushless DC Motors
Since there are no brushes to add weight and friction, these motors can achieve a higher torque-to-weight ratio, faster speeds, and better efficiency than DC motors with brushes. All motors require a driver (sold separately) to operate.
Drivers control the speed and direction the motor spins. To program the driver, connect it to your computer with a mini USB cord (sold separately) and use the free downloadable software to enter your speed and acceleration parameters. No coding is necessary.
For technical drawings and 3-D models, click on a part number.
Square-Face Motors
Overall | Shaft | Insulation | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Speed @ Continuous Operating Torque | Max. Speed, rpm | Starting Torque, in.-oz. | Full Load Current, A | Lg. | Wd. | Ht. | Shaft Type | Dia. | Lg. | Center to Base | Class | Max. Temp., °F | Each | |
30V DC | ||||||||||||||
NEMA 17 | ||||||||||||||
| 5,530 rpm @ 8.2 in.-oz. | 6,400 | 0.2 | 1.4 | 2 15/16" | 1 5/8" | 1 5/8" | Solid | 1/4" | 3/4" | 0.83" | A | 221° | 0000000 | 0000000 |
| 5,850 rpm @ 16 in.-oz. | 6,470 | 0.4 | 2.7 | 3 3/4" | 1 5/8" | 1 5/8" | Solid | 1/4" | 3/4" | 0.83" | A | 221° | 0000000 | 000000 |
| 6,210 rpm @ 21 in.-oz. | 6,730 | 0.6 | 3.8 | 4 1/2" | 1 5/8" | 1 5/8" | Solid | 1/4" | 3/4" | 0.83" | A | 221° | 0000000 | 000000 |
Drivers for Square-Face Motors
USB | Overall | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| For Full Load Current, A | Current, A  | Input Voltage Range | Connection Gender | Connection Type | Standard | Wire Connection Type | Lg. | Wd. | Ht. | Each | |
| 1.4-4.9 | 7 | 12-60V DC | Female | Mini B | 2.0 | Wire Leads | 2.28" | 2.99" | 1.96" | 0000000 | 0000000 |
USB Cords
| Connections | USB Standard | Color | Lg., ft. | Each | |
| USB A Male Plug × USB Mini-B Male Plug | 2.0 | Black | 6 | 0000000 | 00000 |