Yaskawa Electric Corporation SGMAH-04AAF4C AC Servo Motor

Description:

The Yaskawa SGMAH-04AAF4C 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, packaging equipment, and automated production lines. Maintenance teams and system integrators use this part for replacement, repair, and retrofit applications to maintain accurate positioning, braking control, and consistent motion performance.

Applications:

The Yaskawa SGMAH-04AAF4C servo motor with integrated 24V brake is used in industrial automation environments requiring controlled stopping, holding torque, and vertical load positioning. It is commonly applied in CNC machining centers, robotic arms, vertical axes, conveyor systems, and packaging machinery where safe stopping and load holding during power loss are critical. The Sigma-II series is known for low inertia, fast response, and reliable positioning in demanding automation systems.

Technical Specifications:

• Motor Type: AC Servo Motor with Brake
• Series: Sigma-II (SGMAH)
• Rated Output: 400W (0.4 kW)
• Rated Voltage: 200–230V class
• Brake Type: 24V DC holding brake
• Rated Speed: 3000 RPM
• Rated Torque: ~1.27 N·m (class typical)
• Phase: 3-phase
• Feedback Type: Encoder (incremental or absolute depending on configuration)
• Mounting: Flange mount
• Shaft Type: Straight or keyed shaft (variant dependent)
• Cooling Method: Self-cooled
• Condition Availability: Commonly found as surplus or open-box industrial stock
• Manufacturer: Yaskawa Electric

Common Replacements:

• Yaskawa SGMAH-04AAA2C
• Yaskawa SGM7J-04AFA21
• Yaskawa SGMJV-04ADA61