Description
The Regal Rexnord – Marathon KG219 is a rugged, industrial-grade general purpose motor engineered for demanding HVAC and mechanical system applications. Designed for reliable continuous-duty performance, this motor is a trusted choice for contractors and facility managers who require dependable power in a compact, versatile package.
Key Specifications
- Horsepower: 3/4 HP
- Speed: 3600 RPM
- Voltage: 208-230/460V
- Frame: 56J
- SKU: KG219
- Brand: Regal Rexnord – Marathon
Performance & Design Features
- High-speed 3600 RPM operation for applications requiring rapid output
- Dual-voltage 208-230/460V rating provides flexible installation across single- and three-phase electrical systems
- NEMA 56J frame ensures broad compatibility with standard motor mounts and pump couplings
- Built to Marathon’s exacting quality standards for long service life and minimal maintenance
- Suitable for use in HVAC fans, pumps, compressors, and other mechanical drive applications
Why Choose the Marathon KG219?
Marathon Electric, a Regal Rexnord brand, has a long-standing reputation for producing motors that deliver consistent, efficient performance in commercial and industrial environments. The KG219’s dual-voltage capability makes it an especially versatile replacement or new-installation motor, reducing the need to stock multiple SKUs for different voltage configurations. The 56J NEMA frame is an industry-standard footprint, simplifying drop-in replacement on a wide variety of equipment.
Ideal Applications
- HVAC air handling and fan systems
- Pump drives in hydronic and process systems
- Compressor and blower assemblies
- General mechanical drive applications requiring 3/4 HP at high speed







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