Description
The Regal Rexnord Marathon X039 is a purpose-built HVAC fan motor engineered for dependable, long-service performance in commercial and residential air-handling applications. Delivering 3/4 horsepower at 1075 RPM with two-speed operation, this single-phase, 460-volt motor gives technicians the flexibility to match airflow output to system demand — improving comfort and energy efficiency across a wide range of installations.
Key Features
- 3/4 HP output for reliable fan-drive performance
- 1075 RPM operating speed optimized for HVAC fan applications
- 2-speed operation for flexible airflow control and energy savings
- Single-phase (1PH) design for broad compatibility
- 460V voltage rating suited for commercial-grade electrical systems
- Manufactured by Regal Rexnord under the trusted Marathon Motors brand
Application
The Marathon X039 is well-suited for condenser fan, evaporator fan, and blower motor replacement applications where two-speed control is required. Its 460V single-phase rating makes it an ideal fit for commercial HVAC equipment operating on higher-voltage circuits.
Why Choose Marathon?
Regal Rexnord’s Marathon Motors line is recognized throughout the HVAC and industrial trades for robust construction, consistent performance, and wide parts availability. The X039 continues that tradition, offering a drop-in solution that meets the demands of professional installers and service technicians.







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