SERVO SELECTION AND DATA SHEETS
5.2.1 Ratings and Specificationscont.
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NOTE The ratings and specifications above refer to a standard Servomotor.
Add the numerical values below to the moment of inertia values in the table for a motor
fitted with a holding brake and/or a 12-bit absolute encoder.
Other specifications will also change slightly.
Type
SGM-
Item
A3B A5B 01B 02B 03B
Holding brake
kg¡m
2
¢10
−4
0.0085 0.058
(oz¡in¡s
2
¢10
−3
)
0.12 0.82
12-bit absolute
kg¡m
2
¢10
−4
0.025
encoder
(oz¡in¡s
2
¢10
−3
)
0.36
Note When a shaft seal is mounted on a motor, run the motor at the following derating factors be-
cause of increase in friction torque.
SGM− A3B A5B 01B 02B 03B
Derating Rate (%)
70 80 90
Electrical Specifications of the Holding Brake
a) SGM Type (Rated Voltage: 90 VDC) Standard..
Motor Model Motor
Capacity
(W)
Holding Brake Specifications
Capacity
(W)
Holding
Torque
(kg-cm)
Coil
Resistance
Ω (at 20°C)
Rated
Current
A (at 20°C)
SGM-A3jjjj
30 6 2.0 1350 0.067
SGM-A5jjjj
50 6 2.0 1350 0.067
SGM-01jjjj
100 6 3.5 1350 0.067
SGM-02jjjj
200 6.5 15 1246 0.072
SGM-03jjjj
400 6.5 15 1246 0.072
b) SGM Type (Rated Voltage: 24 VDC) Non-standard..
Motor Model Motor
Capacity
(W)
Holding Brake Specifications
Capacity
(W)
Holding
Torque
(kg-cm)
Coil
Resistance
Ω (at20°C)
Rated
Current
A ( at 20°C)
SGM-A3jjjj
30 6 2.0 96 0.25
SGM-A5jjjj
50 6 2.0 96 0.25
SGM-01jjjj
100 6 3.5 96 0.25
SGM-02jjjj
200 6.5 15 89 0.27
SGM-03jjjj
400 6.5 15 89 0.27
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