Description
Century B813 Permanent Split Capacitor Motor Overview
The Century B813 is a heavy-duty 5 horsepower Permanent Split Capacitor (PSC) motor engineered for demanding HVAC and industrial applications. Rated at 230 Vac single-phase and drawing 22.0 amps, this motor delivers reliable, high-speed performance at 3450 RPM — ideal for compressor-driven and pump-driven systems that require sustained torque and consistent output.
Key Specifications
- Horsepower: 5 HP
- Voltage: 230 Vac, Single Phase
- Full Load Amps: 22.0 A
- Speed: 3450 RPM
- Frame Size: Y56HZ
- Motor Type: Permanent Split Capacitor (PSC)
- Enclosure: Open Drip Proof (ODP)
- Bearing Type: Ball Bearing
- Mounting: Rigid Base
- Shaft Dimensions: 7/8″ diameter x 2-1/4″ length
- Rotation: Clockwise (CW) from Lead End
Design & Construction
Built around the industry-standard Y56HZ frame, the B813 features a rigid base mount for secure, vibration-resistant installation in a wide range of equipment configurations. The Open Drip Proof (ODP) enclosure protects internal components from dripping liquids and falling debris while promoting efficient airflow for thermal management. Precision ball bearings ensure low-friction operation and extended service life, even under continuous-duty loads.
Performance & Application
The Permanent Split Capacitor design provides smooth, efficient starting and running characteristics, making the B813 well-suited for HVAC compressors, pumps, fans, and other motor-driven equipment requiring high-speed single-phase power. The 7/8″ x 2-1/4″ shaft accommodates a broad range of couplings, pulleys, and drive components, while the clockwise lead-end rotation ensures compatibility with standard direct-drive and belt-drive setups.
Why Choose the Century B813
- High-output 5 HP rating handles demanding continuous-duty applications
- PSC design delivers efficient starting torque without a separate start capacitor
- Ball bearing construction for long service life and reduced maintenance
- ODP enclosure balances protection with ventilation for cooler operation
- Rigid base mount ensures stable, secure installation
- Standard Y56HZ frame for easy cross-referencing and replacement
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