IEC 60034-7:2020 gives two systems of classification: an alpha-numeric designation applicable to machines with endshield bearings and only one shaft extension (code I) and an all-numeric designation applicable to a wide range of types of machines (code II) including types covered by code I.
IEC 60034-7 Ed. 3.0 b:2020 History
IEC 60034-7 Ed. 3.0 b:2020
$95.00 $190.00
IEC 60034-7 Ed. 2.1 b:2001
$117.00 $235.00
IEC 60034-7 Ed. 2.0 b:1992
$82.00 $164.00
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$16.00 $32.00
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$79.00 $158.00
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$139.00 $278.00
IEC 62447-3 Ed. 1.0 en:2007
$72.00 $145.00