Description
Marathon G663A General Purpose Motor — 1 HP, 3-Phase, 230/460V
The Marathon G663A is a rugged, industrial-grade general purpose motor engineered for demanding HVAC and mechanical system applications. Manufactured by Regal Rexnord under the trusted Marathon brand, this motor delivers consistent, dependable performance across a wide range of commercial and industrial installations.
Key Specifications
- Horsepower: 1 HP
- Speed: 1725 RPM
- Voltage: 230/460V
- Phase: 3-Phase
- Brand: Marathon (Regal Rexnord)
- SKU: G663A
Features & Benefits
- Dual-voltage 230/460V design provides installation flexibility across a variety of commercial power configurations
- Three-phase operation delivers smooth, efficient power ideal for continuous-duty HVAC and industrial equipment
- 1725 RPM synchronous speed suits a broad range of fan, pump, blower, and compressor drive applications
- Built to Marathon’s exacting quality standards as part of the Regal Rexnord family of electric motors
- Designed for long service life and minimal maintenance in commercial and light industrial environments
Application
The G663A is well-suited for use in HVAC air handlers, blowers, pumps, compressors, and other three-phase motor-driven equipment where reliable 1 HP output at 1725 RPM is required. Its dual-voltage capability makes it a versatile replacement or OEM motor for a wide range of commercial systems.







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