Green Pump

Understanding Premium Efficiency Motors

  • IEC code 60034-30 specifies electrical efficiency classes for single speed three phase squirrel cage general purpose induction motors with 2/4/6 Poles and continuous duty (S1) or intermittent duty
  • December 2007 Energy Independence & Security Act of 2007 (ESIA) signed into law with the backing of NEMA

NEMA Premium Efficiency

NEMA Premium ≈ IE3 Premium Efficiency

NEMA Premium ≈ IE3 Premium Efficiency

  • IE1 Standard Efficiency
  • IE2 EPAct
  • IE3 NEMA Premium
  • IE4 Super Premium – Motor of tomorrow

“All Electrical Power That Is ‘Lost’ In The Conversion Process Is Turned Into Heat”

NEMA: “National Electrical Manufacturers Association”