Description
Overview
The Regal Rexnord Marathon H175 is a heavy-duty, multi-speed blower motor engineered for demanding HVAC air-handling applications. Combining a rugged open drip proof (ODP) enclosure with precision ball bearings and a resilient base mounting design, this motor delivers dependable, long-life performance in furnaces, air handlers, and commercial blower assemblies.
Key Features
- Dual horsepower ratings: 1/2 HP (high speed) and 1/6 HP (low speed) for versatile airflow control
- 115VAC, single-phase input voltage — compatible with standard residential and light commercial power supplies
- Dual-speed operation: 1725 RPM (high) / 1140 RPM (low) for flexible system staging
- Current draw: 8.0 Amps (high speed) / 4.2 Amps (low speed)
- NEMA 56 frame size for straightforward drop-in replacement compatibility
- Open Drip Proof (ODP) enclosure protects internal components from dripping liquids in non-hazardous environments
- Ball bearing construction for reduced friction, quieter operation, and extended service life
- Resilient base mounting absorbs vibration and reduces noise transmission to the equipment cabinet
Specifications
- Brand: Regal Rexnord / Marathon
- Model / SKU: H175
- Horsepower: 1/2 – 1/6 HP
- Voltage: 115VAC
- Phase: Single Phase
- Speed: 1725 / 1140 RPM
- Amperage: 8.0 / 4.2 Amps
- Frame Size: 56
- Enclosure: Open Drip Proof (ODP)
- Bearing Type: Ball Bearing
- Mounting: Resilient Base
Applications
- Residential and light commercial forced-air furnaces
- Air handling units (AHUs)
- Blower assemblies requiring multi-speed operation
- Direct replacement for NEMA 56 frame blower motors







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