Description
The Regal Rexnord Marathon GT0077 is a heavy-duty general purpose electric motor engineered for demanding HVAC, industrial, and commercial applications. Delivering a robust 50 horsepower output, this motor is designed to handle high-load mechanical systems with reliable, continuous-duty performance.
Key Features
- 50 HP output for high-demand HVAC and industrial drive applications
- Dual voltage rating of 230/460V for flexible installation across single or dual voltage systems
- 3-Phase power configuration for smooth, efficient operation and reduced electrical noise
- Open Drip Proof (ODP) enclosure protects internal components from dripping liquids in non-hazardous indoor environments
- 326T NEMA frame ensures direct-replacement compatibility with standard mounting configurations
- Built to Regal Rexnord’s Marathon quality standards for long service life and consistent performance
Specifications
- SKU: GT0077
- Horsepower: 50 HP
- Voltage: 230/460V
- Phase: 3-Phase
- Enclosure: ODP (Open Drip Proof)
- Frame: 326T (NEMA Standard)
- Brand: Regal Rexnord – Marathon
Application
The Marathon GT0077 is ideally suited for use in air handling units, large fans, pumps, compressors, and other motor-driven HVAC and mechanical equipment where a 50 HP, 3-phase motor with a 326T frame is specified. The ODP enclosure makes it well-suited for clean, indoor mechanical rooms and equipment areas protected from the elements.







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