Description
Overview
The Regal Rexnord Marathon X531 is a dependable three-phase general purpose motor engineered for demanding HVAC and commercial applications. Rated at 1.50 horsepower and operating at a low 850 RPM, this motor delivers smooth, efficient torque output — ideal for fan, blower, and air-handling equipment where controlled speed and reliable performance are critical.
Key Specifications
- Brand: Regal Rexnord / Marathon
- Model / SKU: X531
- Horsepower: 1.50 HP
- Speed: 850 RPM
- Voltage: 208-230/460V
- Phase: 3-Phase
Features & Benefits
- Three-phase design for smooth, efficient power delivery in commercial HVAC systems
- Dual-voltage rating (208-230/460V) provides installation flexibility across a wide range of electrical service configurations
- Low 850 RPM operating speed reduces mechanical wear and noise — ideal for fan and blower applications
- Regal Rexnord / Marathon quality construction for long service life and dependable operation
- Suitable for use in air handling units, cooling towers, exhaust fans, and other HVAC motor-driven equipment
Application
The Marathon X531 is well-suited for HVAC contractors, mechanical engineers, and facility maintenance professionals who require a reliable, multi-voltage three-phase motor for fan, blower, or general-purpose drive applications in commercial and industrial environments.







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