Description
The Regal Rexnord Marathon D311 is a dependable general purpose electric motor engineered for demanding HVAC and light industrial applications. Delivering 1/2 horsepower at 3600 RPM, this motor is designed for versatility and long-lasting performance across a wide range of equipment.
Key Features
- 1/2 HP output for reliable power in HVAC and general purpose applications
- Dual-voltage rated at 115/208-230V for flexible installation compatibility
- 3600 RPM operating speed for high-efficiency performance
- 56C frame — industry-standard C-face mount for easy equipment integration
- Manufactured by Marathon, a Regal Rexnord brand known for motor quality and durability
Specifications
- SKU: D311
- Horsepower: 1/2 HP
- Voltage: 115/208-230V
- Speed: 3600 RPM
- Frame: 56C
- Brand: Regal Rexnord – Marathon
Application
The Marathon D311 is well-suited for use in HVAC blower assemblies, fan applications, pumps, and other light commercial or residential mechanical systems where a compact, reliable C-face motor is required. The 56C frame provides straightforward mounting to standard equipment, reducing installation time and complexity.







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