Pololu 20.4:1 Metal Gearmotor 25Dx65L mm MP 12V with 48 CPR Encoder

Pololu 20.4:1 Metal Gearmotor 25Dx65L mm MP 12V with 48 CPR Encoder

54,95 € (Net 46,18 € )

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SKU: PO4863
GTIN: 4060137101915
Category: I-Form
Manufacturers: Pololu
MPN: 4863
Storage Tiers: Maintain

This gearmotor consists of a medium-power, 12 V brushed DC motor combined with a 20.4:1 metal spur gearbox, and it has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 979.62 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. This gearmotor is also available without an encoder.

Exact gear ratio:22×22×22×23 / 12×10×10×10 ? 20.4:1

Key specifications:

voltage: 12 V
no-load performance: 380 RPM, 100 mA
stall extrapolation: 3.2 kg?cm (44 oz?in), 1.8 A

Dimensions

Size: 25D x 65L mm (Length measurement is from gearbox face plate to back of encoder cap (it does not include the output shaft))
Weight: 98 g
Shaft diameter: 4 mm(D shaft)

General specifications

Gear ratio: 20.4:1
No-load speed @ 12V: 380 rpm (Typical; ±20%.)
No-load current @ 12V: 0.10 A (Typical, ±50%; no-load current depends on internal friction, which is affected by many factors, including ambient temperature and duration of motor operation.)
Stall current @ 12V: 1.8 A
Stall torque @ 12V: 3.2 kg·cm(Stalling is likely to damage the gearmotor. Stall parameters come from a theoretical extrapolation of performance at loads far from stall. As the motor heats up, as happens as it approaches an actual stall, the stall torque and current decrease.)
Max output power @ 12V: 3.1 W
No-load speed @ 6V: 190 rpm
Stall current @ 6V: 0.90 A
Stall torque @ 6V: 1.6 kg·cm(This motor will run at 6 V but is intended for operation at 12 V.)
Motor type: 12V, 1.8A stall (MP 12V)

Performance at maximum efficiency

Max efficiency @ 12V: 43 %
Speed at max efficiency: 330 rpm
Torque at max efficiency: 0.43 kg·cm
Current at max efficiency: 0.28 A
Output power at max efficiency: 1.5 W

General specifications

Lead length: 8 in(May vary by a few inches.)
Encoders?: Y

Storage Tiers:	Maintain
Dimension (mm):	25D
Max Power (W):	3.1
Form/Type:	Medium-Power (MP)
Encoder:	With
Stall Current (A):	1.8
Stall Torque (kg-cm):	3.2
Rated Voltage (V):	12
Gear Ratio:	20.4:1
Shaft:	Single
No-Load Speed (RPM):	380
No-Load Current (A):	0.1
Shipping weight:	0,17 kg
Item weight:	0,14 kg
Dimensions ( Length × Width × Height ):	6,50 × 2,50 × 2,50 cm