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![Premium efficiency - Wikipedia, the free encyclopedia](https://www.iarticlesnet.com/pub/img/site/s_18.jpeg)
Premium efficiency - Wikipedia, the free encyclopedia
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日期:2024-07-19
The standard also reserves an IE4 class (Super Premium Efficiency) for the future. The following motors are excluded from the new efficiency standard: Motors made solely for inverter operation Motors completely integrated into a machine (pump, fan, or com...看更多