Marathon G145 3 HP 1725 RPM 208-230/460V Belt Drive Fan/Blower Motor

The Marathon G145 is a robust 3 horsepower, 1725 RPM motor designed for demanding fan and blower applications. Its durable steel construction and ODP (Open Dripproof) enclosure ensure reliable performance in commercial and industrial settings. Featuring a reversible rotation, automatic thermal protection, and a 1.15 service factor, this single-speed motor is built for continuous duty. The voltage change device allows for quick voltage adjustments, making it a versatile choice for HVAC systems, industrial ventilation, and agricultural applications.

Technical Details

This Marathon G145 is a 3 HP, 3-phase, 1725 RPM motor with a 56HZ frame size. It operates on voltages of 208-230/460V and has an amperage draw of 9.2-8.6/4.3A. The motor features ball bearings, continuous duty cycle, and an ODP (Open Dripproof) enclosure made of steel. Its insulation class is B, and it includes automatic thermal protection. The motor has a 5/8" shaft diameter and a 2.28" shaft length. Mounting is via a base with a resilient mount. The motor diameter is 6-1/2", the motor shell length is 10.06", and the overall length is 14.72". It is designed for horizontal mounting orientation and has reversible rotation.