57BL3A50

57BL3A70

57BL3A90

-A

-B

-B

-C

-B

-C

/Rated voltage

U

V

+24

+36

+36

+48

+36

+48

/ Shaft power @rated speed

P out

W

62

62

125

125

185

185

/Rated speed

n N

rpm

3000

/ Current @rated speed

I N

A

3.3

2.2

4.4

3.2

6.5

4.8

/ Torque @rated speed

T N

N.m

0.2

0.2

0.4

0.4

0.6

0.6

/Peak current

I P

A

10.5

6.5

13.4

9.8

20

14.9

/Peak torque

T p

N.m

0.58

0.6

1.29

1.31

1.9

2

/Stall current continuous

I sc

A

3.5

2.4

4.75

3.5

6.8

5.1

Stall torque continuous

Tcs

N.m

0.23

0.23

0.46

0.46

0.68

0.68

/Resistance

R

Ohms ± 10%

0.6

1.2

0.52

1

0.36

0.6

/Inductance

L

mH ± 20%

0.75

1.7

0.7

1.5

0.4

0.93

/Voltage constant

K E

V/ Krpm

6.23

9.5

9.47

12.7

9.45

12.6

/Torque constant

K T

N.m/A

0.069

0.11

0.095

0.134

0.097

0.136

/Electrical time constant

τ elec

Seconds

1.22

1.42

1.35

1.5

1.11

1.55

/Mechanical time const.

τ mch

Seconds

1.3

1.3

0.85

0.85

0.6

0.6

/Rotor inertia

J

Kg.cm 2

0.3

0.3

0.6

0.6

0.9

0.9

/Number of poles

N P

8

8

8

8

8

8

/Winding class

B

B

B

B

B

B

/Motor weight

Kg

0.65

0.65

1.0

1.0

1.4

1.4