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IEC 60034-30-1 (IE code) with IE4 definition now published

The IEC published the new standard IEC 60034-30-1 with efficiency classes of line operated AC motors on 6 March 2014.

By Rita Werle · Electric Motor Systems ·

The International Electrotechnical Commission (IEC) published the new standard IEC 60034-30-1 with efficiency classes of line operated AC motors on 6 March 2014. This IE-code now includes also IE4 Super Premium efficiency motors, as well as 8 pole motors in the output range from 0.12 kW up to 1000 kW in 50 Hz and 60 Hz. It supersedes the 2008 edition of IEC 60034-30 which has been now withdrawn. It soon will be followed by IEC 60034-30-2 that will give efficiency classes also for motors rated for variable frequency supply.

Buy IEC 60034-30-1 in English/French, hardcopy or pdf.

Read original article at the 4E Electric Motor Systems Website