Torque Rotary Unit ST0055A / ST0075A / ST0140A
Technical data
Characteristic
Unit
Value
Nominal current
A
0.68
0.5
0.63
0.73
1.87
3.50
Peak current
A
2.9
1.6
1.9
2.2
5.6
10.5
Winding cross section
mm
2
0.176
0.03941
0.04909
0.06158
0.17721
0.28274
Stator resistance at
20°C*
Ohm
36.8
87
85
68
16.5
9
Stator inductance*
Henry
0.036
0.105
0.148
0.132
0.039
0.023
Moment of inertia
kgm
2
0.000006
0.001
0.0014
0.0018
0.00276
0.0033
Friction torque
Nm
0.05
0.4
0.4
0.4
0.7
0.7
Temperature monitoring
-
Single PTC
Triple PTC
Limit temperature
C°
-
120
Output
Gear ratio
i
1:63
-
-
-
-
-
Nominal speed of rotation min
-1
30
-
-
-
-
-
Maximum speed of rota-
tion
min
-1
70
-
-
-
-
-
Stall torque
Nm
18
-
-
-
-
-
Nominal torque
Nm
18
-
-
-
-
-
Peak torque
Nm
36
-
-
-
-
-
* Measured between phase and phase.
4.3
Holding brake
Characteristic
Unit
Value
ST0055A
ST0075-1A ST0075-2A ST0075-3A ST0140-1A ST0140-2A
Nominal current
A
-
0.5
1.25
Nominal torque
Nm
-
4.5
50
Braking torque
Nm
-
10
50
Brake pressure (time
delay for applying)
s
-
0.035
0.2
Brake pressure (time
delay for releasing)
s
-
0.007
0.12
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Mounting instructions_022019_3.0_en
