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Pololu 47:1 110rpm 25D Low Power 12V Geared Motor

List price: £33.12
£23.14
(£27.77 UK, incl VAT) You save: £9.98 (30%)
Price in points: 4628 points
1451-570
93 g
2 item(s)
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These 12V cylindrical brushed DC gearmotors are available in a wide range of gear ratios and with two different motors (two power levels of low and high power). The gearmotors all have the same 25 mm diameter case and 4 mm diameter gearbox output shaft, so it is generally easy to swap one version for another if your design requirements change (though the length of the gearbox tends to increase with the gear ratio). Please see the table below for detailed specifications of all our 25D metal gearmotors.

Rated Voltage Motor Rating Stall Current @ Rated Voltage No Load Speed @ Rated Voltage Approx Stall Torque at Rated Voltage Gearbox Ratio Our Part Number
12 V High-Power
(HP)
5.6 A 2250 RPM 23 oz-in 4.4:1 1451-600
1030 RPM 44 oz-in 9.7:1

1451-605

500 RPM 85 oz-in 20.4:1 1451-610
290 RPM 120 oz-in 34:1 1451-615
210 RPM 165 oz-in 47:1 1541-620
130 RPM 240 oz-in 75:1 1451-625
100 RPM 300 oz-in 99:1 1451-630
   
12 V Low-Power
(LP)
1.1 A 1200 RPM 8 oz-in 4.4:1 1451-550
560 RPM 15 oz-in 9.7:1 1451-555
260 RPM 29 oz-in 20.4:1 1451-560
150 RPM 43 oz-in 34:1 1451-565
110 RPM 60 oz-in 47:1 1451-570
71 RPM 85 oz-in 75:1 1451-575
55 RPM 115 oz-in 99:1 1451-580
31 RPM 180 oz-in 172:1 1451-585
23 RPM 240 oz-in 227:1 1451-590
14 RPM 320 oz-in 378:1 1451-596

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 seconds) 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.

In general, these kinds of motors can run at voltages above and below their nominal voltages; lower voltages might not be practical, and higher voltages could start negatively affecting the life of the motor.

Gearmotor accessories

The face plate has two mounting holes threaded for M3 screws. You can use the custom-designed 25D mm metal gearmotor bracket to mount the gearmotor to your project via these mounting holes and the screws that come with the bracket.

The 4 mm diameter gearbox output shaft works with Pololu universal aluminum mounting hub for 4mm shafts, which can be used to mount our larger Pololu wheels (60mm-, 70mm-, 80mm-, and 90mm-diameter) or custom wheels and mechanisms to the gearmotor’s output shaft. Alternatively, you could use the 4mm scooter wheel adapter to mount many common scooter, skateboard, and inline skate wheels to the gearmotor’s output shaft.

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