3 Servomotor Specifications and Dimensional Drawings
3.1.1 SGMAH Servomotors Without Gears
3-4
3.1 Ratings and Specifications of SGMAH (3000 min
-1
)
3.1.1 SGMAH Servomotors Without Gears
(1) Ratings and Specifications
* 1. These items and torque-motor speed characteristics quoted in combination with an SGDM SERVO-
PACK are at an armature winding temperature of 100°C. Other values quoted at 20°C. All values are
typical.
* 2. Rated torques are continuous allowable torque values at 40°C with an 250 × 250 × 6 (mm) aluminum
plate (heat sink) attached.
• Time Rating: Continuous
• Vibration Class: 15 μm or below
• Insulation Resistance: 500 VDC, 10 M Ω min.
• Surrounding Air Temperature: 0 to 40°C
• Excitation: Permanent magnet
• Mounting: Flange-mounted
• Thermal Class: B
• Withstand Voltage:
100 V, 200 V Servomotors: 1500 VAC for one
minute
• Enclosure: Totally enclosed, self-cooled, IP55
(except for shaft opening)
• Ambient Humidity: 20% to 80% (no condensation)
• Drive Method: Direct drive
Voltage 100 V 200 V
Servomotor Model SGMAH- A3B A5B 01B 02B A3A A5A 01A 02A 04A 08A
Rated Output
∗1
kW
0.03 0.05 0.1 0.2 0.03 0.05 0.1 0.2 0.4 0.75
Rated Torque
∗1,∗2
N·m
0.0955 0.159 0.318 0.637 0.0955 0.159 0.318 0.637 1.27 2.39
Instantaneous Peak
Torque
∗1
N·m
0.286 0.477 0.955 1.91 0.286 0.477 0.955 1.91 3.82 7.16
Rated Current
∗1
A
rms
0.66 0.95 2.4 3.0 0.44 0.64 0.91 2.1 2.8 4.4
Instantaneous Max.
Current
∗1
A
rms
2.0 2.9 7.2 9.0 1.3 2.0 2.8 6.5 8.5 13.4
Rated Speed
∗1
min
-1
3000
Max. Speed
∗1
min
-1
5000
Torque Constant
N·m/A
rms
0.157 0.182 0.146 0.234 0.238 0.268 0.378 0.327 0.498 0.590
Rotor Moment of
Inertia J
x10
-4
kg·m
2
0.0166 0.0220 0.0364 0.106 0.0166 0.0220 0.0364 0.106 0.173 0.672
Rated Power Rate
∗1
kW/s
5.49 11.5 27.8 38.2 5.49 11.5 27.8 38.2 93.7 84.8
Rated Angular
Acceleration
∗1
rad/s
2
57500 72300 87400 60100 57500 72300 87400 60100 73600 35500
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