3.7 Ratings and Specifications of SGMCS Servomotors
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3
3.7.2 Middle-capacity Series SGMCS Servomotors
(1) Ratings and Specifications
Note: 1. SGMCS servomotor with holding brake is not available.
2. For the bearings used in SGMCS servomotors, loss varies according to the bearing tem-
perature. At low temperatures, the amount of heat loss will be large.
* 1. These items and torque-motor speed characteristics quoted in combination with an SGDM
SERVOPACK are at an armature winding temperature of 20°C (66.2°F).
* 2. Rated torques are continuous allowable torque values at 40°C (104°F) with a iron heat sink
attached.
• Time Rating: Continuous
• Vibration Class: 15 µm or below
• Insulation Resistance: 500 VDC, 10 MΩ min.
• Ambient Temperature: 0 to 40°C (32 to 104°F)
• Excitation: Permanent magnet
• Mounting: Flange method
• Thermal Class: F
• Withstand Voltage: 1500 VAC for one minute
• Enclosure: Totally enclosed, IP42 self-cooled
(except for shaft opening)
• Ambient Humidity: 20% to 80% (no condensation)
• Drive Method: Direct drive
Ratings and Specifications for Middle-capacity Series SGMCS Servomotors
Voltage 200 V
Servomotor Model SGMCS- 45MA80MA1AMA 80NA1ENA2ZNA
Rated Output
∗1
W
707 1260 1730 1260 2360 3140
Rated Torque
∗1, ∗2
Nxm
45 80 110 80 150 200
ozxin
6370 11300 15600 11300 21200 28300
Instantaneous Peak Torque
∗1
Nxm
135 240 330 240 450 600
ozxin
19100 34000 46700 34000 63700 85000
Stall torque
∗1
Nxm
45 80 110 80 150 200
Rated Current
∗1
A
rms
5.80 9.74 13.4 9.35 17.4 18.9
Instantaneous Max. Current
∗1
A
rms
17 28 42 28 56 56
Rated Speed
∗1
min
-1
150 150 150 150 150 150
Max. Speed
∗1
min
-1
300 300 300 300 250 250
Torque Constant
Nxm/A
rms
8.39 8.91 8.45 9.08 9.05 11.5
ozxin/A
rms
1190 1260 1200 1290 1280 1630
Rotor Moment of Inertia
kgxm
2
×10
-4
388 627 865 1360 2470 3060
ozxinxs
2
×10
-2
549 888 1220 1930 3500 4330
Rated Power Rate
∗1
KW/s
52.2 102 140 47.1 91.1 131
Rated Angular Acceleration
∗1
rad/s
2
1160 1280 1270 588 607 654
Applicable SERVOPACK SGDM-
10 15 20 15 30 30
Servomotor Model SGMCS- 45M,80M,1AM,80N,1EN, and 2ZN
Heat Sink Units: mm (in)
750×750×45
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