Description
The Regal Rexnord Marathon G573 is a robust, general purpose totally enclosed fan-cooled (TEFC) motor engineered for demanding HVAC and light industrial applications. With a 1 horsepower output rating and dual-voltage capability of 115/208-230V, this motor offers installation flexibility across a wide range of single-phase electrical systems. Operating at 1800 RPM, it delivers consistent, smooth power output suited for fans, blowers, pumps, and other mechanical drive applications.
Key Features
- Brand: Regal Rexnord – Marathon
- Model / SKU: G573
- Horsepower: 1 HP
- Voltage: 115/208-230V (dual voltage)
- Speed: 1800 RPM
- Enclosure Type: TEFC (Totally Enclosed Fan Cooled)
Enclosure & Durability
The TEFC enclosure protects internal windings from dust, moisture, and airborne contaminants, making this motor well-suited for both indoor and outdoor installations where environmental exposure is a concern. The external cooling fan ensures efficient heat dissipation without allowing outside air into the motor housing.
Voltage Flexibility
Dual-voltage wiring at 115/208-230V allows this motor to be configured for different power supply environments without requiring a separate motor for each application — reducing inventory needs and simplifying field installation.
Typical Applications
- HVAC blower and fan assemblies
- Hydronic circulator pump drives
- Light industrial conveyor and equipment drives
- General purpose mechanical power transmission
Why Choose Marathon by Regal Rexnord?
Marathon, a Regal Rexnord brand, is a trusted name in electric motor manufacturing with decades of experience producing motors built to NEMA standards. The G573 continues that tradition of quality, offering dependable performance and long service life in commercial and light industrial settings.







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