Description
Overview
The Regal Rexnord Marathon K285 is a heavy-duty general purpose three-phase induction motor engineered for dependable performance in demanding HVAC and light industrial applications. Designed for versatility, it operates on dual-voltage 200-230/460V three-phase power, making it adaptable to a wide range of commercial electrical systems without the need for additional transformers or rewiring.
Key Features
- Horsepower: 1/2 HP — ideal for fans, blowers, pumps, and compressor auxiliaries
- Speed: 1140 RPM — low-speed operation for quiet, efficient performance
- Voltage: 200-230/460V — dual-voltage flexibility for broad compatibility
- Phase: 3-Phase — smooth, efficient power delivery for commercial and industrial environments
- Brand: Regal Rexnord / Marathon — a trusted name in motor manufacturing with decades of proven reliability
- SKU: K285 — direct OEM-style replacement and new installation ready
Application
The K285 is well-suited for use in HVAC air handling units, exhaust fans, blower assemblies, hydronic pump drives, and a variety of light industrial machinery. Its three-phase design ensures smooth torque delivery and reduced electrical noise compared to single-phase alternatives, making it the preferred choice for commercial building mechanical systems.
Why Choose Marathon?
Marathon Electric, a Regal Rexnord brand, is recognized across the HVAC and industrial trades for manufacturing motors that deliver long service life, energy efficiency, and consistent output. The K285 continues that tradition, offering contractors and facility managers a reliable solution backed by a globally respected manufacturer.
Specifications
- SKU: K285
- Horsepower: 1/2 HP
- Speed: 1140 RPM
- Voltage: 200-230/460V
- Phase: 3-Phase
- Brand: Regal Rexnord / Marathon







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