Description
Marathon Electric MD311 General Purpose Motor 1/2 hp 3600 RPM 115/208-230 VAC – MD311
Marathon Electric MD311 is a TEFC General Purpose Motor designed for various applications. This motor delivers a power output of one-half horsepower and operates at three thousand six hundred revolutions per minute. It is suitable for use in environments requiring a single-phase motor with reliable performance at voltages of one hundred fifteen or two hundred eight to two hundred thirty VAC.
- Power: 1/2 hp
- Speed: 3600 RPM
- Voltage: 115/208-230 VAC
This motor features a robust TEFC enclosure, ensuring protection against dust and moisture. It offers a bolt-on base for easy installation and is made from rolled steel for durability.
Specifications
- Type: General Purpose Motor
- Frame Size: 56
- Phase: Single
- Enclosure: TEFC
- Bearings: Ball Bearing
- Motor Voltage: 115/208-230 VAC
- Horsepower: 0.5 hp
- Amperage: 8.4/4.0-4.2
- Diameter: 6.5 inches
- Dimensions: 12 x 9 x 8.5 inches
- Motor Speed: 3600 RPM
- Weight: 22 pounds
What Our Experts Think
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1/2 HP general-purpose motor built for reliable industrial and commercial applications.
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Operates at 3600 RPM for high-speed, efficient performance.
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Dual-voltage 115/208-230 VAC allows flexible installation.
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Durable Marathon construction ensures long-lasting service life.
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Ideal for pumps, fans, compressors, conveyors, and general machinery.
Q&A
Q: What is the horsepower of this motor?
A: 1/2 HP, suitable for light to medium-duty industrial equipment.
Q: What voltage does it support?
A: 115/208-230 VAC for versatile applications.
Q: What is the motor speed?
A: 3600 RPM for fast and consistent operation.
Q: What applications is it used for?
A: Pumps, fans, blowers, conveyors, and general-purpose machinery.
Maintenance Tips
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Keep motor clean and free of dust or debris.
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Inspect wiring and electrical connections regularly.
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Lubricate bearings per manufacturer’s instructions.
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Monitor load and alignment to prevent premature wear.
Reviews
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