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Small metal gear motor, 30 RPM speed, 12V operating voltage. GA12-N20-0020
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A small motor with a metal gearing with a D-shaped shaft, 3 mm in diameter and approx. 10 mm long. The recommended operating voltage of the motor is 12 V and at this voltage it reaches a speed of 30 RPM and a maximum torque of 2,4 kg * cm, consuming a current from 0.07 A to 0.82 A.
Recommended supply voltage for motors is 12 V, but the motors operate without problems in the range from 6 V to 15 V. It is possible to supply the motor with higher voltage, but it reduces the service life of the motor.
All N20 motors have the same dimensions. The metal gear housing has two tapped holes for M1.6 bolts (1.6mm diameter, 0.35mm pitch). The engines weigh approx. 10 g.
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Dimensions of N20 micromotors (units in mm). |
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Our offer includes N20 motors with gear ratios from 15: 1 to 380: 1, in versions with a supply voltage of 3 V, 6 V or 12 V.
Gear ratio | Type | Voltage | Rotation speed | max. torque | min. current | max. current | Link |
15:1 | MP | 12 V | 1000 RPM | 0,13 kg*cm | 70 mA | 0,82 A | LINK |
6 V | 1000 RPM | 0,11 kg*cm | 55 mA | 0,58 A | LINK | ||
3 V | 1000 RPM | 0,09 kg*cm | 35 mA | 0,29 A | LINK | ||
30:1 | MP | 12 V | 500 RPM | 0,26 kg*cm | 70 mA | 0,82 A | LINK |
6 V | 500 RPM | 0,22 kg*cm | 55 mA | 0,58 A | LINK | ||
3 V | 500 RPM | 0,18 kg*cm | 35 mA | 0,29 A | LINK | ||
50:1 | MP | 12 V | 300 RPM | 0,43 kg*cm | 70 mA | 0,82 A | LINK |
6 V | 300 RPM | 0,36 kg*cm | 55 mA | 0,58 A | LINK | ||
3 V | 300 RPM | 0,30 kg*cm | 35 mA | 0,29 A | LINK | ||
100:1 | MP | 12 V | 200 RPM | 0,9 kg*cm | 70 mA | 0,82 A | LINK |
6 V | 200 RPM | 0,7 kg*cm | 55 mA | 0,58 A | LINK | ||
3 V | 200 RPM | 0,6 kg*cm | 35 mA | 0,29 A | LINK | ||
150:1 | MP | 12 V | 100 RPM | 1,3 kg*cm | 70 mA | 0,82 A | LINK |
6 V | 100 RPM | 1,1 kg*cm | 55 mA | 0,58 A | LINK | ||
3 V | 100 RPM | 0,9 kg*cm | 35 mA | 0,29 A | LINK | ||
200:1 | MP | 12 V | 60 RPM | 1,7 kg*cm | 70 mA | 0,82 A | LINK |
6 V | 60 RPM | 1,4 kg*cm | 55 mA | 0,58 A | LINK | ||
3 V | 60 RPM | 1,2 kg*cm | 35 mA | 0,29 A | LINK | ||
250:1 | MP | 12 V | 50 RPM | 2,1 kg*cm | 70 mA | 0,82 A | LINK |
6 V | 50 RPM | 1,8 kg*cm | 55 mA | 0,58 A | LINK | ||
3 V | 50 RPM | 1,5 kg*cm | 35 mA | 0,29 A | LINK | ||
298:1 | MP | 12 V | 30 RPM | 2,4 kg*cm | 70 mA | 0,82 A | LINK |
6 V | 30 RPM | 2,0 kg*cm | 55 mA | 0,58 A | LINK | ||
3 V | 30 RPM | 1,7 kg*cm | 35 mA | 0,29 A | LINK | ||
380:1 | MP | 12 V | 20 RPM | 3,0 kg*cm | 70 mA | 0,82 A | LINK |
6 V | 20 RPM | 2,5 kg*cm | 55 mA | 0,58 A | LINK | ||
3 V | 15 RPM | 2,1 kg*cm | 35 mA | 0,29 A | LINK |
Our offer includes wheels suitable for motors with a shaft with a diameter of 3 mm and the shape of the letter "D". There are wheels of various diameters from 32 mm to 90 mm in many colors.
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Pololu 32x7mm wheels (black) | Pololu 32x7mm wheels (white) | Pololu 40x7mm wheels (red) |
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A list of Pololu wheels with different diameters available in the following colors: white, blue, red, yellow and black |
The silicone tracks to match the Pololu miniature motors are available in two lengths: 22T (48mm) and 30T (85mm) and three colors: white, black and red.
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Pololu 22T track set (black) | Pololu 22T track set (red) | Pololu 30T track set (white) |
Specially designed brackets matching the miniature Pololu engines will also work well when mounting N20 engines. They are available in two colors: white and black, and in a standard and extended version.
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Pololu Miniature Motor Bracket (Black) | Pololu Miniature Motor Bracket Pololu (White) | Pololu Miniature Motor Bracket extended (White) |
It is not possible to control the motors directly from the microcontroller ports due to the high power consumption. This problem is solved by the motor drivers. Thanks to the controllers, it is possible not only to turn on and only the motors, but also to control their speed and direction of rotation.
Our offer includes a number of drivers for one or two motors. The drivers are available in the form of modules, shield extensions for Arduino and hat extensions for Raspberry Pi.
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DC motor controller with DRV8838 Pololu | Shield Arduino with dual driver for DC motors with A4990 chip | Dual driver for DC motors with DRV8835 chip |
Current sensors measure how much current the motors are consuming at a given moment, which allows to determine the load on the motors. Our offer includes sensors with measuring ranges from ± 5 to ± 75.
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Current sensor module 0-5A with ACS712-05 chip | Current sensor module ± 5A with ACS714 chip | Current sensor module ± 15.5A with ACS711EX system |
Small metal gear motor, 300 RPM speed, 6V operating voltage. GA12-N20-0016
This gearmotor is a miniature high-power, 6 V brushed DC motor with a 150.58:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter. This version also has a 4.5 × 1 mm extended motor shaft.
This gearmotor is a miniature high-power, 12 V brushed DC motor with long-life carbon brushes and a 150.58:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter.
No product available!
30:1 Micro Metal Gearmotor HP with Extended Motor Shaft
298:1 Micro Metal Gearmotor MP
Small, high power motor with 10: 1 metal gear, 12 V operating voltage, power consumption from 0.06 A to 0.75 A, speed 3400 RPM, maximum torque 0.17 kg * cm, carbon brushes and double-sided shaft. Pololu 3048
No product available!
Small, high power motor with 1000: 1 metal gear, 12 V operating voltage, power consumption from 0.06 A to 0.75 A, speed 35 RPM, maximum torque of 10 kg * cm, carbon brushes with increased strength and double-sided shaft. Pololu 3057
No product available!
Miniature, 12 V brush DC motor with metal gear and 15.25:1 gear ratio. It has a cross section of 10 × 12 mm, and the D-shaped output shaft with a length of 9 mm and a diameter of 3 mm. Pololu 4788
Pololu high power miniature motor with carbon brushes. 150:1 gear motor, shaft speed 150 rpm, torque 1,3kg*cm. The motor has an extended shaft, which makes it easy to attach the encoder. Pololu 2382
No product available!
Miniature, 12V brush DC motor with metal gear with 15.25: 1 ratio. It has a cross section of 10 × 12 mm, and the D-shaped output shaft has a length of 9 mm and a diameter of 3 mm. It also has an extended motor shaft with dimensions of 4.5 × 1 mm. Pololu 4789
Pololu high power miniature motor with carbon brushes. 100:1 gear motor, shaft speed is 330 rpm, torque 1.6 kg*cm (0.16 Nm). Pololu 3065
Small metal gear motor, 1000 RPM speed, 3V operating voltage. GA12-N20-0009
A small motor with a metal gear ending with a shaft with M3 thread, rotation speed 100 RPM, operating voltage 6 V. GA1036-N20M-0055
No product available!
Compact engine with 75: 1 LP transmission, shaft speed is 290 rpm, torque is 0.8 kg * cm (0.08 Nm), plate with connector PH 2.0. DFRobot FIT0457
No product available!
A small, high power motor with a 50: 1 metal gear, 12 V operating voltage, 0.06 A to 0.75 A power consumption, 650 RPM speed, maximum torque of 0.67 kg * cm and carbon brushes with increased durability. Pololu 3039
No product available!
Small metal gear motor, 30 RPM speed, 12V operating voltage. GA12-N20-0020