Yaskawa Large Capacity Sigma II Series - Manual (Page 285)

7.2 Servomotor Ratings and Specifications
7-9
7
7.2 Servomotor Ratings and Specifications
This section provides the ratings, specifications, and mechanical characteristics of the SGMBH
servomotors.
7.2.1 Ratings and Specifications
The following sections provide the ratings and specifications of the servomotors by model.
„ SGMBH Servomotors
* 1. These items and torque-motor speed characteristics quoted in combination with an SGDH
SERVOPACK are at an armature winding temperature of 20 °C (68°F).
* 2. These values are reference values.
Note: These characteristics are values with the following heat sinks attached for cooling.
SGMBH-2B, -3Z: 650 × 650 × 35 (mm) [26 × 26 × 1.38 (in.)]
SGMBH-3G, -4E, -5E: 750 × 750 × 45 (mm) [30 × 30 × 1.77 (in.)]
• Time Rating: Continuous • Thermal Class: F
• Vibration Class: 15 µm or below • Withstand Voltage: 1800 VAC
• Insulation Resistance: 500 VDC,
10 MΩ min.
• Enclosure: Totally enclosed, cooled separately,
IP44
• Ambient Temperature: 0 to 40 °C • Ambient Humidity: 20% to 80%
(with no condensation)
• Excitation: Permanent magnet • Drive Method: Direct drive
• Mounting: Foot and flange-mounted type
Table 7.2 SGMBH Standard Servomotor Ratings and Specifications
Servomotor Model SGMBH- 2BD†A 3ZD†A 3GD†A 4ED†A 5ED†A
Rated Output *1 kW 22 30 37 45 55
Rated Torque *1 N • m 140 191 236 286 350
lb • in *2 1240 1690 2090 2530 3100
Instantaneous Peak
Torque
*1
N • m 280 382 471 572 700
lb • in *2 2480 3380 4170 5060 6120
Rated Current *1 A (rms) 58 80 100 127 150
Instantaneous Max.
Current
*1
A (rms) 120 170 210 260 310
Rated Speed *1 min -1 1500
Max. Speed *1 min -1 2000
Rotor Moment of
Inertia J ×10 -4
kg • m 2 592 773 1390 1510 1970
×10 -3
lb • in • s 2*2
525 685 1230 1490 1750
Rated Power Rate *1 kW/s 331 472 401 542 622
Rated Angular
Acceleration
*1
rad/s 2 2360 2470 1700 1890 1780