Yaskawa SGMAH-04AAA21

Description:

The Yaskawa SGMAH-04AAA21 Servo Motor is used in Sigma-II AC servo drive systems for precision motion control in mid-power industrial automation systems. Commonly installed in CNC machines, robotics, conveyor systems, and automated production equipment. Maintenance teams and system integrators use this part for replacement, repair, and retrofit applications to maintain accurate positioning and consistent motion performance.

Applications:

The Yaskawa SGMAH-04AAA21 servo motor is used in industrial automation environments requiring controlled speed, torque, and positioning. It is commonly applied in CNC machining centers, robotic arms, packaging equipment, material handling systems, and conveyor automation where repeatability, fast response, and reliability are critical. The Sigma-II SGMAH series features a low-inertia design optimized for high-speed and high-accuracy motion control across demanding industrial applications.

Technical Specifications:

• Motor Type: AC Servo Motor
• Series: Sigma-II (SGMAH)
• Rated Output: 400W (0.4 kW)
• Rated Voltage: 200V class
• Rated Speed: 3000 RPM
• Rated Torque: ~1.27 N·m (class typical)
• Phase: 3-phase
• Feedback Type: Encoder (incremental or absolute depending on configuration)
• Motor Design: Low inertia for fast acceleration and response
• Mounting: Flange mount
• Shaft Type: Straight or keyed shaft (variant dependent)
• Cooling Method: Self-cooled
• Manufacturer: Yaskawa Electric

Common Replacements:

• Yaskawa SGMAH-04A1A21
• Yaskawa SGM7J-04AFA21
• Yaskawa SGMJV-04ADA21