Marathon Motors K280 3/4HP 460V 1725/1140RPM 56 Mtr - K280

Marathon Motors K280 3/4HP 460V 1725/1140RPM 56 Mtr - K280

Marathon Motors presents the K280 motor, a robust solution for various industrial and HVAC applications. Featuring a 3/4HP power output and dual-speed functionality with operations at 460V, this motor ensures reliability and performance across a range of applications.

Product Highlights

The K280 motor is designed for durability and versatility. Its ball bearings and heavy-duty steel frame enhance stability, while thermal protection ensures extended motor life.

Features

• Dual-speed operation at 1725 and 1140 RPM.
• Constructed for continuous duty with a frame size of 56.
• Capable of both clockwise and counterclockwise rotation.

Specifications

What our Experts Think

• 3/4 HP Output: Perfect for light to medium-duty applications like small pumps, fans, and compressors that require consistent performance.

• 1725/1140 RPM Speeds: Dual-speed motor offering flexible performance for different load conditions—providing high torque at both speeds.

• 460V 3-Phase: Ideal for commercial and industrial environments with 460V electrical systems, ensuring efficient operation.

• 56 Frame Size: Standard frame for easy integration into existing equipment setups.

• Durable Construction: Built for long-lasting, reliable performance with minimal maintenance.

Q&A

Q: What is the Marathon Motors K280 Motor?
A: The K280 is a 3/4 HP, 460V motor with dual-speed operation at 1725/1140 RPM, built with a 56 frame for use in fan, blower, and general-purpose applications.

Q: What are the key features?
A: 3/4 horsepower, dual-speed (1725/1140 RPM), 460V, single voltage, 3-phase, 56 frame size, and durable continuous-duty performance.

Q: Where is this motor typically used?
A: Ideal for HVAC systems, fans, blowers, and light industrial machinery where variable speed is beneficial for airflow or operational flexibility.

Q: Why choose the K280 model?
A: It provides reliable dual-speed functionality, robust design, and energy-efficient operation—all in a compact, easy-to-integrate frame.

Q: Is the K280 motor energy-efficient?
A: Yes, it is designed for efficient power usage, helping reduce energy costs while maintaining dependable performance.

Maintenance Tips

• Keep motor clean and well-ventilated to ensure proper cooling at both speeds.

• Lubricate bearings per manufacturer specs to maintain efficiency and reduce wear.

• Verify correct voltage (460V) to prevent overheating or electrical issues.

• Secure mounting and alignment to reduce vibration, especially during speed transitions.

• Inspect regularly for unusual noise, heat, or vibration that may signal mechanical or electrical problems.

• Tighten all electrical connections to ensure safe, reliable operation.

• Test insulation resistance annually for continued electrical integrity and motor longevity.