Description
Marathon MB402 Attic Fan Motor 1/3 hp 1800 RPM 115 VAC 48 Frame – MB402
The Marathon MB402 Attic Fan Motor from Marathon Electric offers reliable performance with a 1/3 horsepower rating. Perfect for various attic fan applications, it operates at dual speeds, 1800 and 1200 RPM, ensuring optimal airflow control. Designed with a resilient base and ball bearing for smooth operation.
- 1/3 horsepower motor
- Dual speeds: 1800 RPM and 1200 RPM
- Operates on 115 Volts
Optimize your attic ventilation with the Marathon MB402 Attic Fan Motor. Its sturdy build and efficient performance make it an ideal choice for HVAC applications.
Specifications
- Manufacturer: Marathon Electric
- Brand: Marathon Electric
- MPN: MB402
- Product Dimensions: 13.5 x 7.3 x 7.2 inches
- Weight: 1 pound
- Electrical Type: Split Phase
- Horsepower: 1/3 hp
- RPM: 1800/1200
- Frame: 48Z
- Voltage: 115 VAC
- Phase: Single
- Enclosure: ODP
- Rotation: REV
- Material: Rolled Steel
- Mounting: Resilient Base
- Amperage: 5.3/2.9
- Shaft Type: Single
What Our Experts Think
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1/3 HP, 1800 RPM motor designed for attic fans and small ventilation systems.
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115 VAC, single-phase for easy residential or commercial installation.
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48 frame provides compact, space-saving design.
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Reliable Marathon construction ensures long-lasting performance.
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Ideal for attic ventilation, exhaust fans, and small HVAC applications.
Q&A
Q: What are the motor’s specifications?
A: 1/3 HP, 1800 RPM, 115 VAC, single-phase, 48 frame.
Q: What applications is it suitable for?
A: Attic fans, exhaust fans, and small residential or light commercial ventilation systems.
Q: Is it durable for continuous operation?
A: Yes, built by Marathon for reliable performance in ventilation applications.
Maintenance Tips
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Keep fan and motor housing free of dust and debris.
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Lubricate bearings per manufacturer’s recommendations.
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Inspect electrical connections and mounting hardware regularly.
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Ensure proper airflow around motor for cooling and efficiency.






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