1000:1 Micro Metal Gearmotor HP

These tiny, high-torque gearmotors have the highest gear ratio of any motor we sell,
which makes them a great choice for applications that require extremely low motor speeds.
With no load, the 1000:1 micro metal gearmotor HP output shaft turns at approximately 32 RPM at 6 V, and
we were able to achieve rotation rates of around 2.5 RPM at 0.5 V on a test unit
(note that performance will vary slightly from unit to unit).
The lower-power 1000:1 micro metal gearmotor is even slower,
with a no-load rotation rate of approximately 14 RPM at 6 V, and we
were able to achieve a smooth rotation speed of around 1 RPM at 0.6 V on a test unit.
 

These motors are intended for use at 6 V, though in general, these kinds of motors can run at voltages
above and below this nominal voltage, so they should comfortably operate
in the 3 – 9 V range (rotation can start at voltages as low as 0.5 V).
Lower voltages might not be practical, and higher voltages could start negatively affecting the life of the motor.
 

Micro Metal Gearmotor Versions

The micro metal gearmotors are available in a wide
range of gear ratios—from 5:1 up to 1000:1—and offer a choice between two different motors:
high-power (HP) and standard. With the exception of the 1000:1 gear ratio versions, all of the micro metal gearmotors
have the same physical dimensions, so one version can be easily swapped for another if your design requirements change.
Please see the micro metal gearmotor comparison table for detailed specifications of all our micro metal gearmotors.
This dynamically-sortable table can help you find the gearmotor that offers the best blend of speed, torque,
and current-draw for your particular application. A more basic comparison table is available below.

Some versions of the gearmotors are sold with an additional 1mm-diameter output shaft that protrudes from the rear of the motor.
This 4.5mm-long rear shaft rotates at the same speed as the
input to the gearbox and offers a way to add a custom-built encoder to provide motor speed or position feedback.

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