Pololu 75:1 Metal Gearmotor 25Dx54L mm MP 12V with 48 CPR Encoder 100RPM

Artikelnummer: PO3242

Kategorie: Motors and Gearboxes

33,95 €

inkl. 19% USt.,

momentan nicht verfügbar



This gearmotor consists of a medium-power, 12 V brushed DC motor combined with a 74.83:1 metal spur gearbox, and it has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 3591.84 counts per revolution of the gearbox?s output shaft. The gearmotor is cylindrical, with a diameter just under 25 mm, and the D-shaped output shaft is 4 mm in diameter and extends 12.5 mm from the face plate of the gearbox.

Key specs at 12 V: 100 RPM and 200 mA free-run, 125 oz-in (9 kg-cm) and 2.1 A stall.

Note: Stalling or overloading gearmotors can greatly decrease their lifetimes and even result in immediate damage. For these gearboxes, the recommended upper limit for instantaneous torque is 200 oz-in (15 kg-cm); we strongly advise keeping applied loads well under this limit. Stalls can also result in rapid (potentially on the order of a second) thermal damage to the motor windings and brushes, especially for the versions that use high-power (HP) motors; a general recommendation for brushed DC motor operation is 25% or less of the stall current.


Size: 25D x 66L mm
Weight: 104 g
Shaft diameter: 4 mm

General specifications

Gear ratio: 74.83:1
Free-run speed @ 6V: 50 rpm1
Stall current @ 6V: 1050 mA1
Stall torque @ 6V: 62 oz·in1
Free-run speed @ 12V: 100 rpm
Free-run current @ 12V: 200 mA
Stall current @ 12V: 2100 mA
Stall torque @ 12V: 125 oz·in
Lead length: 8 in2
Motor type: 2.1A stall @ 12V (MP 12V)
Encoders?: Y


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

May vary by a few inches.

Arbeitsform: Gebürstet
Getriebeform: Stirnradgetriebe
Welle: Einzeln
Encoder: Mit
Getriebe Dimension(mm): Ø25
Nennspannung: 12V

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