Description
The Regal Rexnord Marathon Y543A is a heavy-duty, three-phase general purpose motor engineered for demanding HVAC and industrial applications. Delivering 5 horsepower at a synchronous speed of 1760 RPM, this motor is designed for reliable, continuous-duty performance in commercial and industrial environments.
Key Specifications
- Brand: Regal Rexnord – Marathon
- Model / SKU: Y543A
- Horsepower: 5 HP
- Voltage: 230/460V
- Phase: 3-Phase
- Speed: 1760 RPM
Product Highlights
- Dual-voltage (230/460V) design provides installation flexibility across a wide range of electrical systems
- Three-phase power delivery ensures smooth, efficient operation and reduced energy consumption
- 1760 RPM operating speed suits a broad range of HVAC blowers, fans, pumps, and mechanical drive applications
- Built to Regal Rexnord’s Marathon quality standards for long service life and dependable uptime
- Suitable for commercial HVAC systems, air handling units, industrial machinery, and pump drives
Why Choose the Marathon Y543A?
Regal Rexnord’s Marathon brand has a long-standing reputation for producing motors that combine robust construction with energy-efficient operation. The Y543A’s dual-voltage capability makes it a versatile solution for contractors and facility managers who need a reliable drop-in motor for a variety of three-phase applications. Whether you’re replacing a worn motor in an air handling unit or specifying equipment for a new installation, the Y543A delivers the performance and durability you can count on.







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