Description
Marvair 80427 Blower Motor Overview
The Marvair 80427 is a purpose-built permanent split capacitor (PSC) blower motor engineered for reliable, efficient air movement in commercial and light-industrial HVAC applications. Designed as a direct OEM replacement for compatible Marvair equipment, this motor delivers consistent single-speed performance with a robust construction that stands up to demanding operating environments.
Electrical Specifications
- Horsepower: 1/2 HP
- Voltage: 575 Vac
- Phase: Single Phase
- Amperage: 1.55 Amps
- Motor Type: Permanent Split Capacitor (PSC)
- Speeds: 1 Speed
Mechanical Specifications
- Speed: 1075 RPM
- NEMA Frame Size: 48
- Bearing Type: Sleeve Bearing
- Mounting Style: Band Mount
- Rotation: Counter-Clockwise (CCW)
Key Features & Benefits
- Permanent Split Capacitor design provides smooth, quiet operation and improved energy efficiency compared to shaded-pole motors
- 575 Vac single-phase rating suits commercial HVAC systems where higher-voltage supply is standard
- 1075 RPM operating speed delivers optimal airflow balance for blower applications
- 48 NEMA frame ensures dimensional compatibility with standard motor mounts and housings
- Sleeve bearing construction offers quiet, low-maintenance operation in horizontal or vertical shaft orientations
- Band mount design simplifies installation and secure positioning within blower assemblies
- Counter-clockwise (CCW) rotation matches OEM blower wheel orientation for correct airflow direction
- Single-speed operation provides straightforward, reliable control without complex variable-speed electronics
Application
The Marvair 80427 blower motor is an OEM-grade replacement designed for use in Marvair packaged terminal air conditioners (PTACs), vertical packaged units, and other compatible commercial HVAC equipment. Its 575 Vac rating makes it particularly well-suited for Canadian and select U.S. commercial installations where 575V single-phase power is utilized.
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