Marathon Electric Motors SY011 MAR 20 HP AC Three Phase Motor

Product Description

The Marathon Electric Motors SY011 MAR is a 20 HP Permanent Magnet AC motor designed for three-phase applications. This motor operates at 1800 RPM and is rated for 460 volts. It features a robust 256TC frame and a totally enclosed fan cooled (TEFC) design, making it suitable for demanding environments.

• High efficiency - exceeds NEMA Premium standards
• Constructed from durable cast iron to minimize vibration
• Includes normally closed thermostats for enhanced protection

Product Highlights

This motor is especially effective in industrial settings where both reliability and performance are critical. It includes features for high power density and low weight, aiding in energy savings and performance consistency.

Product Information

Standard Information

• Manufacturer: Marathon Electric Motors
• Part Number: SY011 MAR

Technical Specifications

• Horsepower (HP): 20
• Voltage: 460
• Speed: 1800 RPM
• Frame Size: 256
• Phases: 3
• Efficiency: 94.5% (NEMA Premium)
• Max Ambient Temperature: 40°C
• Insulation Class: H
• Mounting Type: Rigid Base
• Rotational Direction: Reversible
• Service Factor: 1
• Current: 24.0 A
• Shaft Diameter: 1.5 inches
• Shaft Extension: 3.75 inches
• Frame Material: Cast Iron
• Enclosure Type: Totally Enclosed Fan Cooled