U.S. Motors® Hostile Duty Motors: Cast Iron Frame, Totally Enclosed Fan Cooled


This datasheet provides comprehensive specifications and features of the U.S. Motors® brand Hostile Duty motors. Designed for reliability and efficiency in harsh industrial settings, these motors meet stringent NEMA Premium® and EISA 2007 standards. Ideal for applications across mining, pulp and paper, waste management, and chemical plants.

Key Points

  • Horsepower range: 1 – 200 HP with multiple speed options (3600, 1800, 1200, 900 RPM)
  • Certified for NEMA Premium® Efficiency (IE3), complying with EISA 2007
  • Dual frequency nameplate (50/60 Hz) with global compliance markings (CE, IE)
  • Field-convertible mounting and optional conversion kits available
  • Built with Cast Iron Frame and Totally Enclosed Fan Cooled (TEFC) enclosure
  • Durable design for harsh environments: corrosion-resistant paint, steel fan cover, and conduit box
  • Electrical versatility: wide voltage ratings and inverter compatibility (20:1 VT / 4:1 CT)
  • Covered by a 3-year warranty and designed for energy savings and regulatory compliance