Selection of Brush DC Motors – By Rated Load / Rotation Speed

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Selecting by Rated Load / Rotation Speed

If you know the rated load (required torque) for the set you are using, you can select the optimum motor for the S-T characteristics (relationship between speed and torque). However, if there are large variations in the load or speed, it may not be sufficient to just calculate the average load. In such cases, it is necessary to confirm that the motor characteristics can provide the required torque and speed for the expected operating range.

The typical torque/speed characteristics for each motor size are shown below for your reference when selecting a motor.

Typical torque / speed characteristics
for each motor size



Brush DC Motors by Speed and Load

Characteristic – each type

Rated

Voltage
(V)
Voltage Range
(V)
Rated Load
(mNm)
Starting Torque
(mNm)
Rated Load Speed
(rpm)
PYN13 3.0 0~4.0 0.1 (1gf.cm) 0.4 17,900
PNN3 1.5 0~3.0 0.03
(0.3gf.cm)
0.09 8,200
PNN7 1.5 0~3.0 0.1
(1gf.cm)
0.23 5,600
PNN13 3.0 1.0~4.0 0.15 (1.5gf.cm) 0.5~0.6 8900~12000
PKN7 2.0 0~4.5 0.2
(2gf.cm)
0.4~0.6 3790~7050
PKN12 3.0 0~4.5 0.2
(2gf.cm)
0.63~0.9 7250~10540
M1N6 3~5 1.0~6.0 0.2~0.3
(2~3gf.cm)
0.67~2.07 5980~15600
M1N10 2~5 0.5~8.0 0.2~0.3
(2~3gf.cm)
0.78~1.90 3010~11220
PPN7 2.5~6.0 1.0~7.5 0.1~0.5
(1~5gf.cm)
0.68~2.88 2600~11600
PPN13 2.0~9.6 1.0~11.0 0.2~1.47
(2~15gf.cm)
1.37~4.08 2700~9700
PWN10 6.0~12.0 5.0~12.0 1.96
(20gf.cm)
5.2~9.5 4870~8400
PAN14 12.0 9.0~14.5 10.0
(102gf.cm)
35.40 9,730
MXN13 6.0~12.0 3.0~14.0 2.9~4.9
(30~50gf.cm)
8.83~13.73 1900~4520
MDN1 2.0 0.7~6.0 0.29
(3g.cm)
0.8~1.1 1360~2250
MDN2 2.0~5.0 0.7~6.0 0.39~1.47
(4~15g.cm)
1.2~2.8 2750~2900
MDN3 2~3 0.7~6.0 0.39
(4gf.cm)
1.2~2.8 1480~2590