Description
The Regal Rexnord Marathon O100 is a dependable general-purpose electric motor engineered for demanding HVAC and light commercial applications. Built around a compact 48MZ frame with a semi-enclosed, round body design, this motor delivers consistent single-phase performance at 3600 RPM — ideal for fans, blowers, and other motor-driven equipment requiring a high-speed, low-horsepower drive solution.
Key Specifications
- Horsepower: 1/7 HP
- Voltage: 115Vac
- Phase: Single Phase
- Speed: 3600 RPM
- Amperage: 2.3 Amps
- Frame Size: 48MZ
- Enclosure Type: Semi Enclosed
- Body Style: Round
Design & Construction
The 48MZ frame is a standard industry footprint that simplifies direct replacement in existing equipment. The semi-enclosed enclosure protects internal windings from dust and debris while allowing adequate airflow for motor cooling — a practical balance of protection and thermal management suited to indoor HVAC environments.
Applications
- HVAC blower and fan assemblies
- Light commercial equipment drives
- OEM replacement motor applications
- General-purpose motor-driven loads requiring 1/7HP at 3600 RPM
Why Choose the Marathon O100?
Marathon, a Regal Rexnord brand, is a trusted name in commercial and industrial motor manufacturing. The O100 combines proven motor technology with a compact, field-friendly form factor, making it a reliable choice for HVAC technicians and contractors seeking a direct-replacement or upgrade motor solution.







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