Overview
The Trane MOT21581 motor (sometimes referenced in related older or similar models as MOT15081 or MOT-15081) is a genuine Original Equipment Manufacturer (OEM) constant torque electric motor. It is designed specifically as a replacement part for use in various Trane Heating, Ventilation, and Air Conditioning (HVAC) systems, ensuring reliable and efficient performance. This component is essential for driving blowers or fans in compatible commercial or industrial HVAC units.
Features
Key features of the MOT21581 motor include:
- OEM Part: Guaranteed genuine Trane replacement part, ensuring compatibility and proper function.
- Type: Constant Torque motor, optimized for consistent performance under various operating conditions.
- Durable Construction: Engineered for longevity and reliability in demanding HVAC environments.
- Includes: Often sold as a motor and module combination (or replacement module only) for electronic control.
Specifications
- Manufacturer Part Number: MOT21581 (often cross-referenced with MOT15081, MOT-15081, MOT015081)
- Horsepower (HP): 1.00 HP
- Input Voltage: 460V
- Frequency: 60 Hz
- Weight: Approximately 19.28 lbs
- Dimensions: Approximately 17.15 x 11.7 x 11.95 inches (Length x Width x Height)
Applications
The Trane MOT21581 motor is used as an OEM replacement or component part primarily in Trane HVAC systems that require a constant torque, 1.00 HP motor operating on a 460V, three-phase electrical supply. It is typically utilized in the blower section of commercial air handlers or furnaces.


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