Regal Rexnord - Marathon K284 1/2 HP Three Phase Blower Motor TEAO 56 Frame

The Regal Rexnord Marathon K284 is a 1/2 horsepower three-phase blower motor designed for direct drive fan and HVAC applications. This motor features a TEAO (Totally Enclosed Air Over) enclosure that requires mounting within airflow for proper cooling, making it ideal for air handling units and ventilation systems.

Electrical Specifications:

• Power: 1/2 HP (0.37 kW)
• Voltage: 208-230/460V triple-rated for maximum flexibility
• Full Load Amps: 2.3-2.2/1.1A depending on voltage
• Speed: 1725 RPM (60 Hz, 4-pole design)
• Phase: 3-phase
• Service Factor: 1.0
• Frequency: 60 Hz

Mechanical Features:

• Frame: NEMA 56 standard frame
• Motor Diameter: 6.5 inches
• Shaft: 5/8 inch diameter x 1.88 inch length, keyed
• Mounting: Resilient base for reduced vibration
• Orientation: Horizontal or vertical mounting capability
• Bearings: Ball bearings (17mm) on both ends
• Rotation: Reversible

Construction and Protection:

• Enclosure: TEAO (Totally Enclosed Air Over) steel construction
• Insulation: Class B temperature rating
• Thermal Protection: None (external overload protection required)
• Maximum Ambient: 40°C (104°F)
• NEMA Design: B
• Starting: Squirrel cage induction

This UL recognized and CSA certified motor is built for continuous duty applications and includes ball bearing construction for reliable, long-lasting performance. The compact 56 frame design with resilient base mounting minimizes vibration transfer to the equipment.