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| parameter |
sign
|
unit
|
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
|
|
Can matching encoder.
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