Marathon MK703 General Purpose Motor 1/3 HP 1725 RPM - MK703

Marathon MK703 General Purpose Motor 1/3 HP 1725 RPM - MK703

The Marathon MK703 General Purpose Motor is designed for reliable operation in various applications. This three-phase motor has a power rating of one-third horsepower and operates at a speed of one thousand seven hundred twenty-five revolutions per minute. It is built with a rolled steel construction ensuring durability and a bolt-on base for easy mounting.

Product Highlights

This motor is ideal for use in HVAC systems, pumps, and other industrial applications.

Features

• Motor Type: General Purpose
• Voltage: Five hundred seventy-five volts
• Shaft Type: Single

Specifications

What our Experts Think

• Power & Speed: 1/3 HP at 1725 RPM, ideal for continuous-duty applications.

• Voltage & Phase: 575V, 3-phase, 60Hz operation.

• Enclosure: Totally Enclosed Non-Ventilated (TENV), protecting against dust and moisture.

• Frame Size: 56C, compatible with standard mounting configurations.

• Mounting Type: C-Face footed, suitable for various installations.

• Service Factor: 1.15, allowing for occasional overloads.

• Amperage: 0.64 amps at full load.

• Insulation Class: Class F, ensuring reliable performance under standard operating conditions.

• Efficiency: 68%, contributing to energy savings.

• Rotation: Reversible for flexible installation options.

Q&A

Q: What is the Marathon Motors MK703 General Purpose Motor?
A: The Marathon Motors MK703 is a versatile, 1/3 horsepower, 1725 RPM, 3-phase electric motor designed for general-purpose industrial applications. Its reliable performance, durable construction, and high efficiency make it ideal for various tasks requiring continuous operation.

Q: Where is the Marathon MK703 motor typically used?
A: The MK703 motor is perfect for applications that require reliable, continuous operation, including:

• Gear reducers

• Pumps

• Air conditioning and refrigeration systems

• Machine tools

• Conveyors and other direct-coupled equipment

Its durable construction and TENV design make it ideal for use in environments where moisture, dust, and dirt are present.

Q: What makes the MK703 motor stand out?

• Durable Design: The rolled steel frame offers long-lasting durability, perfect for industrial environments.

• Totally Enclosed Non-Ventilated (TENV) Enclosure: The TENV design provides protection against dirt, dust, and moisture, extending motor life and reducing maintenance needs.

• Service Factor: With a 1.15 service factor, the MK703 can handle short-term overloads, making it suitable for demanding applications.

• High Efficiency: Although not the highest efficiency model, the MK703 offers a balance of reliability and cost-effectiveness for standard industrial tasks.

• Flexible Mounting: The C-Face Footed mounting with a bolt-on base allows for easy installation and compatibility with many industrial setups.

Q: Is this motor suitable for variable frequency drives (VFDs)?
A: Yes, the MK703 motor is compatible with Variable Frequency Drives (VFDs), which provide the ability to control motor speed based on system demands. This is particularly useful for applications requiring adjustable speeds or energy savings.

Maintenance Tips

• Regular Inspections: Examine the motor every 500 hours or quarterly. Ensure ventilation openings are clear of dirt, oil, or water to prevent overheating.

• Lubrication: If the motor is not labeled "Permanently Lubricated," apply appropriate grease to the bearings, ensuring compatibility with existing grease and avoiding over-greasing.

• Electrical Connections: Periodically check all electrical connectors to ensure they are tight and free from corrosion.

• Cleaning: Keep the motor and surrounding area free of dust and debris to prevent clogging the air vents.