Marathon G143 1-1/2 HP 1725 RPM Belt Drive Fan/Blower Motor

The Marathon G143 is a robust 1-1/2 HP belt drive fan and blower motor engineered for demanding HVAC and industrial applications. Delivering 1725 RPM, this motor is designed for reliable performance in powering air handling units, industrial ventilation systems, and various other machinery. Its durable construction, featuring a heavy gauge steel frame and base, ensures long-lasting operation. With features like a reversible rotation, ball bearings for smooth operation, and a 1.15 service factor, the G143 is a versatile and efficient choice for your air movement needs. It also includes a Voltage Change Device for quick voltage adjustments and is UL Recognized and CSA Certified for added assurance.

Technical Details

The Marathon G143 is a 1.5 HP, 3-phase, 1725 RPM motor designed for belt drive fan and blower applications. It operates on voltages of 208-230/460V and features a NEMA frame size 56 with a resilient base mounting. The motor has a drip-proof enclosure (DP) and a continuous duty rating. Key specifications include a 1.15 service factor, ball bearings, a 5/8 inch shaft diameter, and a shaft extension of 1.91 inches. It is equipped with an automatic overload protector and is suitable for horizontal mounting.