Planetary Gearmotors |
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Choose AmpFlow planetary gearmotors when extreme precision and moderate torque are required. Our planetary gearheads have backlash as low as eight arcminutes. Motor voltages range from 6V to 72V, and reduction ratios range from 1:4 to 1:32. Find the perfect combination below, or we can design a custom gearmotor. Here are some tips for choosing the best reduction ratio. |
Click the tabs to see the different reduction ratios.
| Type | High-Performance Economy Motors | |||||
| Voltage Range | 6 to 18 Volts | 12 to 36 Volts | 24 to 72 Volts | |||
| Model | E30-400-12-PR8 | E30-150-12-PR8 | E30-400-24-PR8 | E30-150-24-PR8 | E30-400-48-PR8 | E30-150-48-PR8 |
| Nominal Voltage | 12V1 | 12V1 | 24V1 | 24V1 | 48V1 | 48V1 |
| Peak Horsepower | 1.6 | 0.7 | 2.1 | 1.0 | 2.7 | 1.1 |
| Reduction Ratio | 1:8 | 1:8 | 1:8 | 1:8 | 1:8 | 1:8 |
| Backlash (arcmin) | 8 | 8 | 8 | 8 | 8 | 8 |
| Max Torque (in-lbs) | 2802 | 230 | 2802 | 2802 | 2802 | 2802 |
| No-Load RPM | 810 | 740 | 710 | 700 | 720 | 700 |
| Weight (lbs) | 8.1 | 5.9 | 8.1 | 5.9 | 8.1 | 5.9 |
| Price | $229 | $199 | $229 | $199 | $229 | $199 |
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| Type | High-Performance | Mid-Range | ||
| Model | A28-400-PR8 | A28-150-PR8 | F30-400-PR8 | F30-150-PR8 |
| Nominal Voltage | 24V1 | 24V1 | 24V1 | 24V1 |
| Peak Horsepower | 4.3 | 3.0 | 2.5 | 2.3 |
| Reduction Ratio | 1:8 | 1:8 | 1:8 | 1:8 |
| Backlash (arcmin) | 8 | 8 | 8 | 8 |
| Max Torque (in-lbs) | 2802 | 2802 | 2802 | 2802 |
| No-Load RPM | 610 | 760 | 560 | 860 |
| Weight (lbs) | 9.4 | 6.2 | 10.9 | 7.0 |
| Price | $569 | $464 | $409 | $359 |
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On Sale! Fan Cooled Motors
| Type | Fan Cooled 24V | Fan Cooled 48V | ||
| Model | A28-400-F24-PR8 | A28-150-F24-PR8 | A28-400-F48-PR8 | A28-150-F48-PR8 |
| Nominal Voltage | 24V1 | 24V1 | 48V1 | 48V1 |
| Peak Horsepower | 4.3 | 3.0 | 11.53 | 4.6 |
| Reduction Ratio | 1:8 | 1:8 | 1:8 | 1:8 |
| Backlash (arcmin) | 8 | 8 | 8 | 8 |
| Max Torque (in-lbs) | 2802 | 2802 | 2802 | 2802 |
| No-Load RPM | 610 | 760 | 800 | 920 |
| Weight (lbs) | 11.1 | 6.4 | 11.1 | 6.4 |
| Price | $619 | $514 | ||
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The fan motors have ventilation holes in the front and rear aluminum plates to allow for flow-through cooling. The holes in the front plate are positioned so they are not blocked when mounting the motor to a flat surface. These motors also feature low-profile motor leads for better fit into smaller spaces.
1 The above specifications are for the motor's nominal voltage. The motors can also be used at lower or higher voltages. The RPM is proportional to the voltage, so running at half the nominal voltage will result in half the speed, and twice the voltage will double the speed. The maximum achievable torque is also proportional to the voltage. Shorter duty-cycles are recommended for higher voltages to allow the motors time to cool. Please note that the above torque figures are the theoretical peak torques when stalled. Operating any high-performance motor while stalled will damage it.
2 Maximum torque limited by gearhead.
3 Theoretical peak power is 11.5 HP. Power at the recommended short-term current limit of 200A is 9.1 HP. The current required to reach this figure is far outside the safe operating limits of this motor. This figure is theoretical and should be used for comparative purposes only.
Warranty
The gearmotors are warranted to be free from manufacturing defects, and fully operational when you receive them. AmpFlow gives no other warranty, either expressed or implied. Warranties are not transferable. In no event shall AmpFlow's liability exceed the buyer's purchase price, nor shall AmpFlow be liable for any indirect or consequential damages.
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Replacement brushes are available here
Contact us for custom gearmotors and volume pricing: