Yaskawa Electric USASEM-03-YR21 with Encoder UTMAH-B15AS19B

Description:

The Yaskawa USASEM-03-YR21 with UTMAH-B15AS19B encoder is an AC servo motor used in industrial robotic motion control systems for precise speed and position regulation, commonly installed in Motoman robots with MRC series controllers and CNC automation equipment, and purchased by maintenance teams, OEMs, and integrators for replacement of failed motors, system repairs, and retrofit of legacy robotic platforms.

Applications:

The Yaskawa USASEM-03-YR21 servo motor is used in industrial automation environments where accurate positioning and fast response are required. It is commonly deployed in robotic welding systems, material handling robots, CNC machinery, and automated production lines where coordinated axis motion and encoder feedback are critical. Yaskawa AC servo motors are widely used in factory automation due to their high accuracy, responsiveness, and stable operation across robotic and machine tool applications.

Technical Specifications:

• Manufacturer: Yaskawa Electric Corporation
• Model: USASEM-03-YR21
• Product Type: AC servo motor
• Series: USASEM (robot servo series)
• Rated Power: ~300 W class
• Rated Speed: ~3000 RPM
• Voltage Class: ~200 VAC
• Motor Type: Brushless AC servo motor
• Feedback: UTMAH-B15AS19B encoder (absolute type)
• Application: Motoman robot axis motor (MRC controller systems)
• Design: Low inertia for fast acceleration and precise positioning
• Mounting: Flange mount
• Cooling: Totally enclosed, self-cooled
• Duty Cycle: Continuous operation
• Application Class: Robotics / CNC / industrial automation

Common Replacements:

• Yaskawa USASEM-03-YRS21
• Yaskawa SGMPH-03A1A-YR11
• Yaskawa SGMJV-04ADA21