Item

Specifications

Step Angle

1.8.

Step Angle Accuracy

±5% (full step, no load)

Resistance Accuracy

±10%

Inductance Accuracy

±20%

Temperature Rise

80.C Max.(rated current,2 phase on)

Ambient Temperature

-20.C~+50.C

Insulation Resistance

100MΩMin. ,500VDC

Dielectric Strength

500VAC for one minute

Shaft Radial Play

0.02Max. (450 g-load)

Shaft Axial Play

0.08Max. (450 g-load)

Max. radial force

75N (20mm from the flange)

Max. axial force

15N

Model No.

Rated
Voltage

Current
/Phase

Resistance
/Phase

Inductance
/Phase

Holding
Torque

# of Leads

Rotor
Inertia

Weight

Detent
Torque

Length

Single Shaft

Double Shaft

V

A

Ω

mH

kg-cm

g-cm2

kg

kg-cm

mm

SM57ST41-1106A

SM57ST41-1106B

4

1.1

3.6

3.6

2.88

6

57

0.54

0.18

41

SM57ST41-0406A

SM57ST41-0406B

12

0.4

30

30

2.88

6

SM57ST41-1564A

SM57ST41-1564B

2.8

1.56

1.8

3.6

4.0

4

SM57ST51-0856A

SM57ST51-0856B

6

0.85

7.1

9

4.97

6

110

0.60

0.35

51

SM57ST51-0426A

SM57ST51-0426B

12

0.42

29

36

4.97

6

SM57ST51-2804A

SM57ST51-2804B

2.38

2.8

0.85

2.1

6.9

4

SM57ST56-1206A

SM57ST56-1206B

6

1.2

5

8

6.05

6

135

0.65

0.42

56

SM57ST56-0606A

SM57ST56-0606B

12

0.6

20

32

6.05

6

SM57ST56-2554A

SM57ST56-2554B

2.8

2.55

1.1

3.6

8.4

4

SM57ST76-1506A

SM57ST76-1506B

5.4

1.5

3.6

6

9

6

200

0.95

0.72

76

SM57ST76-0686A

SM57ST76-0686B

12

0.68

17.7

30

9

6

SM57ST76-3304A

SM57ST76-3304B

2.7

3.3

0.85

3

12.5

4