Regal Rexnord - Marathon

About Regal Rexnord – Marathon Electric Motors

When a motor nameplate reads "Marathon," it carries with it more than a century of engineering heritage. The Marathon brand — part of the broader Regal Rexnord family — traces its roots back to 1913 and has grown into one of the most recognized names in commercial and industrial electric motor manufacturing. Headquartered in Milwaukee, Wisconsin, Regal Rexnord is a publicly traded corporation that serves customers across dozens of industries worldwide, delivering motion solutions built around efficiency, reliability, and longevity.

Single phase motors and three phase motors form the backbone of the Marathon lineup. The brand encompasses thousands of motor configurations, spanning NEMA and IEC frame designs, low and medium voltage ratings, permanent magnet DC motors, and advanced radial and axial flux designs. Motors are engineered and built to cover an extraordinary range of applications — from fractional horsepower units all the way up to designs exceeding 5,000 horsepower, with voltages ranging from 120VAC to 13.8kV. That breadth of coverage means whether you're replacing a small residential unit or specifying a motor for a demanding industrial process, Marathon likely has a solution purpose-built for the task.

The HVAC sector represents one of Marathon's most important markets. HVAC blower motors from Marathon are engineered to operate efficiently within the airstream of fan assemblies and are built for both the OEM and the replacement markets, with features designed to simplify installation. Closely related, A/C condenser fan motors are designed to handle the demanding outdoor thermal environments of air conditioning systems — delivering consistent airflow management even in harsh conditions. Both product lines reflect Marathon's long-standing expertise in air-moving applications for heating, ventilation, air conditioning, and refrigeration systems.

Rounding out the catalog, motor and electrical parts and accessories allow technicians and engineers to source the supporting components they need alongside their motor orders — simplifying procurement and ensuring system-level compatibility. These accessories are engineered to the same quality standards as the motors themselves, keeping equipment running and downtime to a minimum.

Regal Rexnord invests heavily in motor efficiency, offering solutions that meet and exceed IE4-class efficiency ratings. That commitment to energy performance is not just about environmental responsibility — it translates directly into lower operating costs over the life of the motor. Across commercial buildings, industrial plants, HVAC systems, pumping applications, and beyond, Marathon motors continue to earn their reputation as motors built for the long run.