Product description: N20-BT33 micro 250:1 50 RPM motor - 9V
Small, lightweight yet powerful motors from the N20 series, compatible with Pololu's motors, are used by robot builders as drive units. The units can be powered by up to 9 V (depending on the model), and gain their useful power above 3 V. The optimum voltage, at which the ratio of power to strength is most favourable, is 6 V.
Dimensions of the motor
The motor body is a cuboid measuring 24 x 10 x 12 mm. The gearbox is 9.27 mm long. There is a 3 mm D-shaped shaft at the output. Total mass is about 10 g.
The drawing shows the dimensions of the micro motor with gearbox.
Technical specification of the N20 motor
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Supply voltage: |
3 V - 9 V |
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No-load current (9 V): |
40 mA |
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No-load speed (9 V): |
50 rpm |
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Torque (9 V): |
2.3 kg*cm (0.226 Nm) |
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Gear ratio: |
250:1 |
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Shaft diameter: |
3 mm |
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Body dimensions: |
24 x 10 x 12 mm |
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Weight: |
10 g |
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Double-sided shaft: |
NO |
Accessories compatible with the N20 series
N20 motors are compatible with Pololu motor accessories.
- Mounts: Special mounts in white or black have been designed for mounting the motors. An extended version and one made of high-strength aluminium are also available.
- Wheels, tracks, hubs: We also offer wheels and tracks to match the micro shafts of Pololu engines. Installation of non-standard wheels is facilitated by adapters.
- Motor controllers: Direction and speed control is provided by DC motor controllers. We offer integrated circuits for individual soldering as well as ready to connect, cooperating with kits (e.g. Arduino) modules.
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Attention! N20 motors are not compatible with Pololu micro motor encoders. |
