CHINA MS TECHNOLOGY CO., LTD. (MS MOTOR CO.,LTD.)
28JNC20K/28ZY38

28mm OD Planetary Gearbox.Permissible Load Range: 0.2N.m~2.0N.m

Motor Technical Data

TYPE

Rated

voltage

VDC

No-load

speed

r/min

No-load

current

mA

Rated

speed

r/min

Rated

torque

mN.m

Output

power

W

Rated

current

mA

Stall

torque

mN.m

Stall

current

A

28ZY38- 1240

12

4000

80

2600

7.0

1.86

350

20

0.75

28ZY38- 1250

12

5000

100

3450

7.0

2.48

370

21.5

0.90

28ZY38-2450

24

5000

60

4000

6.9

2.87

200

22

0.60


Gear Motor Technical Data

28ZY38-1240 DC Motor

Reduction ratio

3.7

5.2

14

19

27

51

71

100

139

189

264

369

516

Number of gear trains

1

1

2

2

2

3

3

3

3

4

4

4

4

Length(L)         mm

21.5

21.5

28.9

28.9

28.9

35.3

35.3

35.3

35.3

41.6

41.6

41.6

41.6

No-load speed   r/min

1078

772

286

211

148

78

56

40

29

21

15

11

7.8

Rated speed    r/min

701

502

186

137

96

51

37

26

19

14

10

7.0

5.0

Rated torque    N.m

0.023

0.033

0.079

0.11

0.15

0.26

0.36

0.51

0.71

0.86

1.2

1.7

2

N.m    Max. permissible load in a short time

0.6

0.6

2.4

2.4

2.4

4.8

4.8

4.8

4.8

6.0

6.0

6.0

6.0


28ZY38-1250 DC Motor

Reduction ratio

3.7

5.2

14

19

27

51

71

100

139

189

264

369

516

Number of gear trains

1

1

2

2

2

3

3

3

3

4

4

4

4

Length(L)         mm

21.5

21.5

28.9

28.9

28.9

35.3

35.3

35.3

35.3

41.6

41.6

41.6

41.6

No-load speed   r/min

1348

965

357

263

185

98

70

50

36

26

19

14

9.7

Rated speed    r/min

930

666

246

182

128

68

49

35

25

18

13

9.3

6.7

Rated torque    N.m

0.023

0.033

0.079

0.11

0.15

0.26

0.36

0.51

0.71

0.86

1.2

1.7

2

N.m    Max. permissible load in a short time

0.6

0.6

2.4

2.4

2.4

4.8

4.8

4.8

4.8

6.0

6.0

6.0

6.0


28ZY38-2450 DC Motor

Reduction ratio

3.7

5.2

14

19

27

51

71

100

139

189

264

369

516

Number of gear trains

1

1

2

2

2

3

3

3

3

4

4

4

4

Length(L)         mm

21.5

21.5

28.9

28.9

28.9

35.3

35.3

35.3

35.3

41.6

41.6

41.6

41.6

No-load speed   r/min

1348

965

357

263

185

98

70

50

36

26

19

14

9.7

Rated speed    r/min

1078

772

286

211

148

78

56

40

29

21

15

11

7.8

Rated torque    N.m

0.023

0.032

0.078

0.11

0.15

0.26

0.36

0.50

0.70

0.85

1.2

1.7

2

N.m    Max. permissible load in a short time

0.6

0.6

2.4

2.4

2.4

4.8

4.8

4.8

4.8

6.0

6.0

6.0

6.0


Dimensions

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