A price list for IE4 and IE5 motors should be read with a different logic from the standard classes. Because these motors represent more advanced efficiency tiers, the upfront purchase price is higher; yet the real comparison is made by placing the annual energy bill next to the list.

The Difference Between IE4 and IE5

Under IEC 60034-30-1, IE4 Super Premium and IE5 Ultra Premium are the highest efficiency classes available. IE5 cuts losses by roughly one further step compared with IE4. In applications that run continuously and for long hours, this difference recovers the price gap over time.

The Technical Factors Behind the Price

The value of a line item depends on its power (kW), its speed set by the pole count, the frame material and the mounting type. Higher efficiency means more copper and special-grade laminations, which naturally pushes the price level of these classes upward.

Reading the List Correctly

With IE4-IE5 motors the most expensive option is not always the best fit; the deciding factors are the motor's annual running hours and load ratio. In a low-usage application the return from the top class can be limited.

Current Price and Quotation

Because of raw-material and exchange-rate movements, requesting a direct quote is the surest way to a current price list. Share your required power, speed and efficiency class with DRG Motor to learn the current price for IE4-IE5 motors.