Description
The Regal Rexnord Marathon B305 is a dependable, commercial-grade blower motor engineered for reliable HVAC air-handling applications. Built on the trusted Marathon platform, this motor delivers consistent performance in demanding heating, ventilation, and air conditioning systems.
Key Specifications
- Horsepower: 1/3 HP
- Voltage: 115VAC
- Phase: Single Phase
- Speed: 1800 RPM
- Amperage: 5.5 Amps
- Frame Size: 48Y
- Enclosure: Open Drip Proof (ODP)
- Bearing Type: Ball Bearing
- Mounting: Resilient Base with Extended Studs
Design & Construction
The B305 features an Open Drip Proof (ODP) enclosure that allows air circulation for effective cooling while protecting internal components from dripping liquids falling at angles up to 15 degrees. Ball bearings provide long service life and reduced friction under continuous-duty operation. The resilient base with extended studs simplifies mounting and helps dampen vibration, reducing noise transmission to the surrounding structure.
Application
Designed for use in residential and light commercial blower assemblies, air handlers, and fan coil units. The 48Y frame is a widely recognized industry-standard footprint, making the B305 a practical direct-replacement option for many OEM motor applications.
Why Choose the Marathon B305?
- Industry-standard 48Y frame for broad compatibility
- Ball bearing construction for extended service life
- ODP enclosure promotes motor cooling in ventilated equipment rooms
- Resilient base with extended studs for easy, vibration-dampened installation
- Single-phase, 115VAC operation suits standard residential and light commercial power supplies
- Backed by the Regal Rexnord Marathon brand — a trusted name in HVAC motors
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