Description
Overview
The Regal Rexnord Marathon 4381 is a single-phase reversible electric motor engineered for dependable performance in a wide range of HVAC and light commercial applications. Built under the trusted Marathon brand — part of the Regal Rexnord family — this motor delivers consistent torque and efficiency where it counts.
Key Specifications
- Horsepower: 1/3 HP
- Voltage: 115V
- Speed: 1725 RPM
- Phase: 1-Phase
- Motor Type: Reversible (Rev Mtr)
- SKU: 4381
Features & Benefits
- Reversible rotation for flexible installation and application versatility
- Single-phase design compatible with standard residential and light commercial power supplies
- 1725 RPM operating speed suitable for fans, blowers, and other HVAC-driven equipment
- Built to Regal Rexnord’s Marathon quality standards for long service life and reliable operation
- Compact motor design for easy integration into existing equipment
Applications
- HVAC blower and fan assemblies
- Light commercial and residential air-handling equipment
- General-purpose motor replacement applications requiring reversible operation







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