Description
Overview
The Regal Rexnord Marathon K278 is a heavy-duty commercial blower motor engineered for reliable, long-service performance in demanding HVAC and industrial air-handling applications. Built on the trusted Marathon platform, this motor delivers consistent power output and operational flexibility across a wide range of blower and fan installations.
Key Features
- 1 HP output for dependable blower and fan drive performance
- Dual-voltage rating: 208-230/460V AC for flexible electrical compatibility
- Three-phase power for smooth, efficient operation in commercial and industrial systems
- Dual-speed rating: 1725 RPM (60 Hz) / 1425 RPM (50 Hz) for multi-frequency applications
- Full-load amperage: 3.6–3.8 A (208-230V) / 1.9 A (460V)
- NEMA 56 frame size for easy cross-referencing and drop-in replacement
- Open Drip Proof (ODP) enclosure protects against dripping liquids in standard indoor environments
- Ball bearing construction for reduced friction, lower maintenance, and extended service life
- Resilient base mount for vibration isolation and flexible installation configurations
Specifications
- Brand: Regal Rexnord – Marathon
- Model / SKU: K278
- Horsepower: 1 HP
- Voltage: 208-230/460V AC
- Phase: Three Phase
- Speed: 1725 RPM (60 Hz) / 1425 RPM (50 Hz)
- Full-Load Amps: 3.6–3.8 A (Low Voltage) / 1.9 A (High Voltage)
- Frame Size: NEMA 56
- Enclosure: Open Drip Proof (ODP)
- Bearing Type: Ball Bearing
- Mount Type: Resilient Base
- Motor Type: Blower Motor
Applications
The Marathon K278 is ideally suited for commercial HVAC air handlers, blower assemblies, fan coil units, and general-purpose industrial ventilation equipment requiring a robust three-phase motor with dual-voltage flexibility.
Why Choose Jackson Systems?
Jackson Systems stocks a comprehensive selection of OEM and replacement HVAC motors from top manufacturers like Regal Rexnord Marathon. Order the K278 today for fast shipping and expert support from our HVAC supply specialists.
Reviews
There are no reviews yet.