28JX5K/2838

PM DC PLANETARY GEAR MOTOR                  28JX5K/2838
Motor Technical Data:                                                                                                          
type

Rated

voltage

No-load

speed

No-load

current

Rated

speed

Rated

torque

Output

power

Rated

current

Stall

torque

Stall

current

VDC

r/min

mA

r/min

g.cm

W

mA

g.cm

A

2838-1230

12

3000

70

2500

25

0.65

170

120

0.6

2838-1240

12

4000

80

2600

70

1.86

300

200

0.75

2838-1250

12

5000

100

3450

70

2.48

370

215

0.9

Gear Technical Data:                                                                                                             
28JX5K/2838-1230

Reduction ratio

3.7

5.2

14

19

27

51

71

100

139

189

264

369

Number of gear trains

1

1

2

2

2

3

3

3

3

4

4

4

Length(L) mm

28.0

28.0

28.0

28.0

28.0

32.5

32.5

32.5

32.5

37.0

37.0

37.0

No-load speed r/min

810

588

214

158

111

58

42

30

21

16

11

8.1

Rated speed r/min

756

550

220

147

103

55

39

28

20

15

10

7.7

Rated torque kg.cm

0.08

0.12

0.31

0.43

0.61

1.1

1.5

2.2

3.0

3.8

5.0

5.0

Max. permissible load in a short time kg.cm

3

3

6

6

6

12

12

12

12

15

15

15

28JX5K/2838-1240

Reduction ratio

3.7

5.2

14

19

27

51

71

100

139

Number of gear trains

1

1

2

2

2

3

3

3

3

Length(L) mm

28.0

28.0

28.0

28.0

28.0

32.5

32.5

32.5

32.5

No-load speed r/min

1080

784

285

210

148

78

56

40

28

Rated speed r/min

810

588

214

158

111

58

42

31

24

Rated torque kg.cm

0.24

0.34

0.88

1.2

1.7

3.0

4.2

5.0

5.0

Max. permissible load in a short time kg.cm

3

3

6

6

6

12

12

12

12

28JX5K/2838-1250

Reduction ratio

3.7

5.2

14

19

27

51

71

100

139

Number of gear trains

1

1

2

2

2

3

3

3

3

Length(L) mm

28.0

28.0

28.0

28.0

28.0

32.5

32.5

32.5

32.5

No-load speed r/min

1350

980

357

263

185

98

70

50

36

Rated speed r/min

1080

784

285

210

148

78

56

41

31

Rated torque kg.cm

0.24

0.34

0.88

1.2

1.7

3.0

4 .2

5.0

5.0

Max. permissible load in a short time                    kg.cm

3

3

6

6

6

12

12

12

12

Mechanical Dimensions:                                                                                                     


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