TEFC Vertical Hollow Shaft Motors – Low Voltage (15–800 HP)
This document from TECO-Westinghouse outlines the technical specifications and features of their TEFC (Totally Enclosed Fan Cooled) Vertical Hollow Shaft motors. Designed for high-thrust applications in industries such as deep well pumping, irrigation, and water/wastewater systems, these motors are optimized for performance, efficiency, and durability. The document includes data on construction materials, insulation, torque characteristics, inverter suitability, and customization options.
Key Points
- Output Range: 15 to 800 HP, supporting various industrial applications.
- Voltage: Primarily 230/460V, with higher HP models at 460V only.
- Inverter Duty: Meets NEMA MG-1 Part 31 for inverter (VFD) applications.
- Durability Features: Rust-proof coating, insulated bearing housing, stainless steel nameplate.
- Enclosure Type: TEFC (Totally Enclosed Fan Cooled) for robust environmental protection.
- Certifications: CSA certified for Class I, Division 2, Groups B, C, D.
- Bearing Types: Re-greasable and oil-lubricated bearing configurations based on frame size.
- Customization: Space heaters, coupling with gib key, drip/splash covers, and more optional mods.