Description
The Regal Rexnord Marathon X251 is a heavy-duty, three-phase general purpose motor engineered for reliable performance in demanding HVAC and industrial applications. With a 5 horsepower output and a synchronous speed of 3600 RPM, this motor delivers the high-speed torque needed to drive fans, blowers, pumps, and compressors in commercial and light industrial environments.
Electrical Specifications
- Voltage: 208-230/460 VAC
- Phase: Three Phase
- Full Load Amps: 13.5-12.4 / 6.2 Amps
- Speed: 3600 RPM
Mechanical Specifications
- Horsepower: 5 HP
- Frame Size: 56HZ
- Enclosure: Open Drip Proof (ODP)
- Mounting: Rigid
Key Features & Benefits
- Dual-voltage winding (208-230/460V) allows flexible installation across a wide range of electrical service configurations
- Open Drip Proof enclosure protects internal windings from dripping liquids and falling debris in indoor, sheltered environments
- Rigid base mounting provides a stable, vibration-resistant platform for direct-coupled or belt-driven loads
- Three-phase design delivers smooth, efficient power with reduced electrical noise and longer motor life compared to single-phase alternatives
- 56HZ frame ensures compatibility with standard NEMA mounting footprints for easy drop-in replacement or new installation
- High synchronous speed of 3600 RPM suits applications requiring rapid fan or blower rotation
Typical Applications
- Commercial HVAC air handlers and fan coil units
- Centrifugal blowers and exhaust fans
- Pumps and compressors in light industrial settings
- Belt-driven and direct-drive equipment requiring three-phase power
The Marathon X251 is backed by Regal Rexnord’s reputation for precision motor manufacturing, making it a trusted choice for HVAC contractors and mechanical engineers seeking a dependable, standards-compliant replacement or new-installation motor.
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