Description
The Marathon K151 is a dependable general purpose three-phase motor engineered for demanding HVAC and light industrial applications. Manufactured by Regal Rexnord under the trusted Marathon brand, this motor delivers consistent, efficient performance where reliability matters most.
Key Specifications
- Voltage: 208-230/460V
- Horsepower: 1/4 HP
- Phase: 3-Phase
- Speed: 1800 RPM
- SKU: K151
- Brand: Regal Rexnord – Marathon
Product Highlights
- Dual-voltage design (208-230/460V) offers flexible installation across a wide range of commercial and industrial electrical systems
- Three-phase operation delivers smooth, efficient power with reduced vibration and longer service life compared to single-phase alternatives
- 1800 RPM synchronous speed suits a broad range of fan, blower, and pump drive applications
- Built to Regal Rexnord’s exacting quality standards for long-term reliability in HVAC environments
- Compact 1/4 HP rating makes this motor ideal for light-duty mechanical loads requiring precise, consistent speed
Applications
- Commercial HVAC blower and fan assemblies
- Light-duty pump drives
- Industrial equipment requiring three-phase power
- OEM and replacement motor applications
The Marathon K151 is a go-to solution for HVAC contractors and facility maintenance professionals seeking a proven, versatile three-phase motor. Its wide voltage compatibility and standard 1800 RPM speed make it easy to specify and install as both an OEM component and a direct replacement in existing systems.







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