TECO-Westinghouse PDH7/54

Product-line overview

The Optim Premium Efficiency TEFC TECO Westinghouse motor is a highly versatile severe duty motor designed for a diverse range of industrial applications, including fans & blowers, crushers, mixers, pumps, compressors, and conveyors.

With a power range from 1 to 800 HP, this motor series is built to provide reliable performance in demanding environments. The motor features a Totally Enclosed Fan Cooled (TEFC) IP54 design, with IP55 for 5000 Frames and larger, offering protection against environmental elements.

Operating at 60Hz and available in voltage options of 230/460V, 460V, or 575V, the motor is designed for horizontal F1 mounting and offers multiple speed options, including 3600, 1800, 1200, and 900 RPM, all while maintaining NEMA Premium Efficiency.

Mechanical Features:

• Shielded Bearings (Frames 140T-280T); Open Bearings with Regreaseable Provisions (Frames 280TS, 320T, and Larger)
• Grease: Polyrex EM in all Regreaseable Bearings; Multemp SRL Grease in Shielded Bearings
• Rotor Material: Aluminum up to 440T Frames; Copper/Copper Alloy or Aluminum Rotor for 5000 and Larger
• Frame Material: Cast Iron
• Conduit Box: Cast Iron up to 449T Frames; Fabricated Steel for 5000 Frames and Larger
• Fan Material: Non-Sparking Plastic up to 449T; Bronze Fan for 440TS 2 Pole Motors; Aluminum Fan for 5000 Frames and Larger
• Number of Leads: Varied based on Voltage and HP
• Terminal Type: Solderless Lug Terminals on All Leads
• Interchangeable F1 and F2 Mounting up to 449T; F3 Available for 5000 Frames and Larger
• Dual Drilled Feet for Longer Frames (449T and Below)
• Paint System: Phenolic Rust-Proof Base with Lacquer Top Coat
• Additional Features: Insulated NDE Bearing (Standard for 5000 Frames and Larger), Flinger Options, HPE™ High Pulse Endurance Spike Resistant Wire, Winding RTD's, Space Heaters, and Provisions for Bearing RTD's

Design features include a 1.15 Service Factor Sine Wave Power and 1.0 Service Factor VFD Power, Class F insulation, and suitability for continuous duty with a maximum elevation of 3300ft. The motor adheres to NEMA Design B or C standards and is rated for an ambient temperature of 40˚C.

In terms of certifications, the motor is CSA certified for Class I, Division 2, Groups B, C & D (Class I, Zone 2, Groups IIB+H2, IIB, and IIA). CSA certification for Class II, Division 2 (Class II, Zone 22) is available for 440 frames and larger upon request.

The motor also supports speed ranges up to 10:1 CT and 20:1 VT, with specific turn-down ratios outlined in the data sheet. Importantly, it meets NEMA MG1 Part 31.4.4.2.