Description
The Regal Rexnord Marathon B609 is a heavy-duty blower motor engineered for reliable performance in commercial and residential HVAC air-handling applications. Built to exacting standards, this motor delivers consistent airflow output in demanding environments where dependable operation is essential.
Motor Specifications
- Horsepower: 3/4 HP
- Voltage: 277 VAC
- Phase: Single Phase
- Speed: 1725 RPM
- Full Load Amps: 4.3 Amps
- Frame Size: 56
- Rotation: Counter-Clockwise (CCW) — Select
Construction & Design Features
- Enclosure: Open Drip Proof (ODP) — protects internal components from dripping liquids in standard indoor installations
- Bearing Type: Ball Bearing — provides long service life and reduced friction under continuous-duty operation
- Mounting: Resilient Base — minimizes vibration transmission to the equipment structure for quieter operation
- Motor Type: Blower Motor — optimized for air-moving applications including air handlers, fan coil units, and HVAC blower assemblies
Application & Benefits
The Marathon B609 is ideal for replacement or new-installation blower duty in commercial HVAC systems operating on 277VAC single-phase power — a common voltage found in commercial lighting and HVAC circuits. The open drip proof enclosure suits indoor mechanical room environments, while the ball bearing construction ensures extended motor life with minimal maintenance. The resilient base mounting simplifies installation and reduces noise and vibration in the system. Counter-clockwise rotation is factory-set to match common blower wheel configurations.
Why Choose Marathon Motors?
- Regal Rexnord brand quality — trusted by HVAC professionals nationwide
- Ball bearing design for long-lasting, low-maintenance performance
- Resilient base for vibration dampening and easy mounting
- ODP enclosure suited for standard indoor HVAC installations
- Engineered for continuous blower duty in commercial applications







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