AC servo motor
Yaskawa Sigma-X rotary servomotors (SGMXJ / SGMXA / SGMXG / SGMXP)
Current-generation Yaskawa servo motors with 26-bit encoders, extending from 50 W micro motors to 15 kW high-torque units.
Key specifications
| Rated torque (max) | 95.4 Nm |
|---|---|
| Peak torque (max) | 224 Nm |
| Speed (max) | 7,000 rpm |
| Power (max) | 15,000 W |
| Supply | 200 Vac and 400 Vac classes |
| Feedback | 26-bit batteryless or battery-backed absolute encoder |
Summarised in our own words from Yaskawa Electric Corporation's published data; series maxima, individual models vary. Last checked 2026-10-29. Source 1 · Source 2 · Source 3
Notes on this data
SGMXJ 50-750 W, 0.159-2.39 Nm, 8.36 Nm peak, 7000 rpm; SGMXA 50 W-7 kW (200 V) up to 22.3 Nm / 54 Nm peak; SGMXG 400 V up to 15 kW, 95.4 Nm rated, 224 Nm peak, 4000 rpm. Conflict: Czech series page quotes SGMXG 'up to 95.2 Nm' vs catalogue 95.4 Nm. SGMXP (flat) not covered by extracts.
Specify Motion is not affiliated with Yaskawa Electric Corporation. Yaskawa and Sigma-X rotary servomotors (SGMXJ / SGMXA / SGMXG / SGMXP) are used only to identify the product. Comparisons use published figures; always confirm against the current datasheet.
Typical applications
Engineer support
Speak to our engineers about your project
Our experienced engineers are on hand, ready to help with your project. Whether you need the Yaskawa Sigma-X rotary servomotors (SGMXJ / SGMXA / SGMXG / SGMXP) itself, help sourcing it, or a modified or custom design built around your load, speed and space, tell us what the machine has to do and we'll come back with the right option.
- Help sourcing Sigma-X rotary servomotors (SGMXJ / SGMXA / SGMXG / SGMXP) and spares for installed machines
- Modified and custom designs when a catalogue part doesn't fit
- Complete axis: motor, drive, gearing and feedback matched together
Other ac servo motor series
Spec builder
Specify what you need instead of Sigma-X rotary servomotors (SGMXJ / SGMXA / SGMXG / SGMXP)
Select every part you need, answer the questions an applications engineer would ask, and see your summary before we ask for any details.
- 1Products
- 2Performance
- 3Environment
- 4Volumes
- 5Your spec
Engineer support
Our engineers are ready to help with your project
Tell us about your project and how you use the Yaskawa Sigma-X rotary servomotors (SGMXJ / SGMXA / SGMXG / SGMXP): the load, speed, duty and environment. An experienced engineer will review it and reply, normally within one working day.
- Reviewed by an engineer, not an autoresponder
- Like-for-like and better-fit alternatives
- Standard, modified and custom options
Prefer to configure it? Use the spec builder.