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POLOLU

1000:1 Micro Metal Gearmotor HPCB 12V

1000:1 Micro Metal Gearmotor HPCB 12V

SKU:Pololu-3046

Regular price Rs. 3,719.00
Regular price Sale price Rs. 3,719.00
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These tiny brushed DC gearmotors are available in a wide range of gear ratios—from 5:1 up to 1000:1—and with five different motors: high-power 6 V and 12 V motors with long-life carbon brushes (HPCB), and high-power (HP), medium power (MP), and low power (LP) 6 V motors with shorter-life precious metal brushes. The 6 V and 12 V HPCB motors offer the same performance at their respective nominal voltages, just with the 12 V motor drawing half the current of the 6 V motor. The 6 V HPCB and 6 V HP motors are identical except for their brushes, which only affect the lifetime of the motor.

The HPCB versions (shown on the left in the picture below) can be differentiated from versions with precious metal brushes (shown on the right) by their copper-colored terminals. Note that the HPCB terminals are 0.5 mm wider than those on the other micro metal gearmotor versions (2 mm vs. 1.5 mm), and they are about 1 mm closer together (6 mm vs. 7 mm).

Details for item #3046

Exact gear ratio: 25×34×35×34×34×34×2712×9×12×14×14×14×9≈986.41:125×34×35×34×34×34×2712×9×12×14×14×14×9≈986.41:1

This gearmotor is a miniature high-power, 12 V brushed DC motor with long-life carbon brushes and a 986.41:1 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. (Note: stall torque and current specifications are theoretical values; stalling the motor will damage the gearbox.)

Key specifications:

voltage no-load performance stall extrapolation
12 V 35 RPM, 60 mA 10 kg⋅cm (140 oz⋅in), 0.75 A

Dimensions

Size: 10 × 12 × 29.5 mm1
Shaft diameter: 3 mm2


General specifications

Gear ratio: 986.41:1
No-load speed @ 12V: 35 rpm
No-load current @ 12V: 0.06 A
Stall current @ 12V: 0.75 A3
Stall torque @ 12V: 10 kg·cm3
No-load speed @ 6V: 18 rpm4
No-load current @ 6V: 0.05 A4
Stall current @ 6V: 0.38 A5
Stall torque @ 6V: 5 kg·cm5
Extended motor shaft?: N
Long-life carbon brushes?: Y
Motor type: 0.75A stall @ 12V (HPCB 12V - carbon brush)


Performance at maximum efficiency

Max efficiency @ 12V: 25 %
Speed at max efficiency: 27 rpm
Torque at max efficiency: 2.1 kg·cm
Current at max efficiency: 0.19 A
Output power at max efficiency: 0.59 W

Notes

1. Output shaft adds 9 mm to the 29.5 mm length.

2. D Shaft.

3. This is a theoretical value; stalling the gearbox output shaft will damage the gearbox.

4. This motor will run at 6 V but is intended for operation at 12 V.

5. This is a theoretical value; stalling the gearbox output shaft will damage the gearbox. This motor will run at 6 V but is intended for operation at 12 V.

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