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Premium Efficiency

Premium Efficiency
Premium Efficiency
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Product Code : 5643
Product Description


Efficiency of an electric motor is defined as the efficiency with which it converts electrical energy to mechanical energy.

It is a fact that motors consume 70% of energy in industry, therefore using high efficiency motors will result in huge savings & reduction in environmental impact.

The demand for standardised efficiency led manufacturers to develop harmonised international standard and push the issue of IEC (International Electrotechnical Commision) Standard IEC 60034-30-1 & adopted in India as IS: 12615: 2011 efficiency classes for Single speed, three phase, cage induction motors.

This new standard defines new classes of efficiency

  • IE1 Standard Efficiency

  • IE2 High Efficiency

  • IE3 Premium Efficiency

  • IE4 Super Efficiency

  • Provides common international reference system for classification of motors

  • Introduces new efficiency measurement method in conformity with standard IEC 60034-1-2: 2007 & IS: 12615 : 2011

Table shows the correspondence among the main class

Scope of Supply for IE2 &  IE3 Motors:
  • Single-speed, three-phase, 50 and 60 Hz
  • 2, 4 or 6-pole
  • Rated output from 0.75 to 375 kW
  • Rated voltage UN up to 1000 V
  • Duty type S1 (continuous duty) or S3 (intermittent periodic duty) with a rated cyclic duration factor of 80% or higher
  • Capable of operating direct online 50 and 60 Hz
  • Method for determination of efficiency of IE2 & IE3 motors are based on IS: 12615: 2011 & IEC 60034-2-1




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