Description
The Regal Rexnord Marathon K223 is a heavy-duty general purpose three-phase motor engineered for demanding HVAC and industrial applications. Featuring a robust 56J frame construction and an Open Drip Proof (ODP) enclosure, this motor is designed to deliver consistent, high-efficiency performance in well-ventilated environments.
Key Specifications
- Horsepower: 1-1/2 HP
- Voltage: 208-230/460 VAC
- Phase: Three Phase
- Speed: 3450 RPM
- Amperage: 5.0-4.8/2.4 Amps
- Frame Size: 56J
- Enclosure Type: Open Drip Proof (ODP)
- SKU / Model: K223
Product Highlights
- Dual-voltage design (208-230/460V) allows flexible installation across a wide range of electrical systems
- Three-phase power delivery ensures smooth, efficient operation with reduced vibration and longer motor life
- 3450 RPM high-speed output suits pumps, fans, compressors, and other HVAC equipment
- 56J frame provides a standardized mounting footprint for easy drop-in replacement
- Open Drip Proof enclosure protects internal components from dripping liquids in non-hazardous indoor environments
- Built by Regal Rexnord’s Marathon brand — a trusted name in commercial and industrial motor solutions
Typical Applications
- HVAC blower and fan assemblies
- Pump drives in commercial hydronic systems
- Light industrial machinery and conveyor drives
- Compressor and refrigeration equipment
The Marathon K223 is an ideal choice for HVAC contractors and facility maintenance professionals seeking a reliable, dual-voltage three-phase motor with a standard 56J frame for straightforward installation and replacement.







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