Product Overview
The Yaskawa SGM7A-02AFA61 is a compact 200 W Sigma-7 low-inertia rotary servo motor designed for high-speed positioning in small industrial machines. It delivers a rated torque of 0.637 Nm at 3000 RPM and an instantaneous maximum torque of 2.23 Nm.
The motor incorporates a 24-bit incremental serial encoder and a straight output shaft with key and threaded center hole. The final 61 configuration is supplied without a holding brake or oil seal.
Main Features
- 200 W rated output for compact 200 VAC-class servo systems.
- Low-inertia construction for rapid acceleration and short cycle times.
- Rated torque of 0.637 Nm and peak torque of 2.23 Nm.
- Rated speed of 3000 RPM and maximum speed of 6000 RPM.
- 24-bit incremental serial encoder.
- Straight shaft with key and threaded center hole.
- Compact 60 mm flange-class design.
- Allowable load moment of inertia up to 30 times the motor inertia under specified conditions.
Technical Specifications
| Manufacturer | Yaskawa Electric |
| Series | Sigma-7 SGM7A |
| Model | SGM7A-02AFA61 |
| Motor Type | Low-Inertia High-Speed Rotary Servo Motor |
| Power Supply Class | 200 VAC |
| Rated Output | 200 W |
| Rated Current | 1.5 Arms |
| Instantaneous Maximum Current | 5.9 Arms |
| Rated Torque | 0.637 Nm |
| Instantaneous Maximum Torque | 2.23 Nm |
| Rated Motor Speed | 3000 RPM |
| Maximum Motor Speed | 6000 RPM |
| Encoder | 24-Bit Incremental Serial Encoder |
| Shaft End | Straight with Key and Tap |
| Holding Brake | Not Included |
| Oil Seal | Not Included |
| Flange Dimension | 60 mm |
| Shaft Diameter | 14 mm |
| Shaft Length | 30 mm |
| Approximate Dimensions | 60 * 74.7 * 99.5 mm |
| Approximate Motor Weight | 0.8 kg |
| Motor Moment of Inertia | 0.139 * 10⁻⁴ kg·m² |
| Protective Structure | IP67, Excluding Shaft Opening |
Compatible System and Applications
The SGM7A-02AFA61 is normally paired with a compatible Sigma-7 SERVOPACK in the SGD7S-1R6A capacity class. Compatibility must be verified against the drive interface, controller, encoder support, motor cable and machine configuration.
Typical applications include compact assembly machinery, inspection systems, labelling machines, electronic production equipment, small feeders, measuring devices and light robotic positioning axes.
Maintenance and Replacement Notes
Verify the complete SGM7A-02AFA61 suffix, incremental encoder, shaft key, center tap, flange dimensions and connector arrangement. A plain-shaft version cannot automatically replace this keyed-shaft model without checking the installed coupling.
Confirm the SERVOPACK model, firmware, motor parameters, encoder cable, motor power cable and coupling alignment. Because this motor has no holding brake, it should not support a suspended mechanical load after servo power is removed.
Related Models
Related models include SGM7A-02AFA21 with a plain shaft, SGM7A-02AFA6C with a holding brake, SGM7A-02A7A61 with an absolute encoder and SGM7A-02A7A6C with an absolute encoder and holding brake.
Inquiry and Supply Notes
Please provide the complete motor nameplate, SERVOPACK model, cable numbers, coupling information and photographs of the shaft and connectors. Availability, condition and included accessories must be confirmed for the specific quotation.
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Yaskawa SGM7A-02AFA61 Sigma-7 200W Low-Inertia Servo Motor Images
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