Description
The Regal Rexnord Marathon B319 is a heavy-duty single-phase blower motor engineered for reliable, long-service performance in commercial and residential HVAC air-handling applications. Built to NEMA 56 frame standards, this motor delivers consistent airflow performance across a wide range of blower and fan system installations.
Electrical Specifications
- Voltage: 115/208-230V AC
- Phase: Single Phase
- Full Load Amps: 10.0A (115V) / 5.2–5.0A (208-230V)
Mechanical Specifications
- Horsepower: 3/4 HP
- Speed: 1800 RPM
- Frame Size: 56 (NEMA Standard)
- Bearing Type: Ball Bearing — for reduced friction and extended service life
- Rotation: Select CCW (Counter-Clockwise)
- Mounting: Resilient Base — absorbs vibration for quieter operation
Enclosure & Construction
- Enclosure Type: Open Drip Proof (ODP) — suitable for indoor installations where dripping liquids may be present
- Designed for demanding blower and air-handling duty cycles
Key Features & Benefits
- Ball bearing construction ensures long operational life and minimal maintenance
- Resilient base mounting reduces vibration transmission and noise
- Dual-voltage capability (115V or 208-230V) offers installation flexibility
- NEMA 56 frame for broad cross-reference compatibility with OEM and replacement applications
- Counter-clockwise (CCW) rotation — selectable to match system requirements
- Open Drip Proof enclosure protects internal windings in standard indoor environments
Typical Applications
- HVAC air handlers and blower assemblies
- Commercial and residential forced-air systems
- Fan coil units and ventilation equipment
- OEM replacement and retrofit installations
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