RGZESD Multi-Speed TEFC Motors


Siemens RGZESD Multi-Speed Totally Enclosed Fan Cooled (TEFC) Motors are designed for harsh industrial environments. With cast iron frames, high-efficiency performance, and inverter-rated insulation, these motors are ideal for indoor and outdoor applications requiring multiple base speeds.

Key Points

  • Available in 1 to 250 HP with NEMA Design B and Class F insulation
  • Heavy-duty cast iron frame and oversized conduit box for durability and easy installation
  • Corrosion-resistant construction with epoxy enamel paint and zinc-plated hardware
  • Long-life lubrication and regreasable bearings for reduced maintenance
  • Suitable for variable or constant torque applications at multiple speeds
  • Bi-directional, non-sparking fan for effective, quiet cooling
  • Advanced rotor/stator design for improved efficiency and lower energy loss
  • Fully modifiable for custom motor configurations