Description
The Marathon B400 is a dependable, commercial-grade blower motor engineered for demanding HVAC air-handling applications. Designed with a resilient base mounting configuration and ball bearing construction, this motor delivers consistent, long-lasting performance in a wide range of blower and air-handler installations.
Key Features
- 1/3 HP output for reliable blower-duty performance
- 115V AC, single-phase power supply for broad compatibility
- 1800 RPM operating speed for efficient airflow delivery
- 6.6 Amp full-load current draw
- NEMA 48 frame size for easy drop-in replacement
- Drip Proof Air Over (DPAO) enclosure protects against moisture ingress in air-stream environments
- Ball bearing construction for reduced friction, extended service life, and quieter operation
- Resilient base mounting for vibration dampening and simplified installation
Motor Specifications
- Brand: Marathon (Regal Rexnord)
- Model / SKU: B400
- Horsepower: 1/3 HP
- Voltage: 115V AC
- Phase: Single Phase
- Speed: 1800 RPM
- Full Load Amps: 6.6 A
- Frame: NEMA 48
- Enclosure: Drip Proof Air Over (DPAO)
- Bearing Type: Ball Bearing
- Mounting: Resilient Base
Application
The B400 is ideally suited for use in residential and light commercial HVAC blower assemblies, fan coil units, and air handlers where a NEMA 48 frame, single-phase motor is required. The drip-proof air-over enclosure makes it well-suited for installation within the airstream of the equipment it drives, ensuring adequate motor cooling during operation.
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