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Area Electrical accessories / Insulation coordination for low voltage equipment

IEV ref442-09-22

en
fmin
frequency at which the maximum reduction of the breakdown voltage of a clearance occurs

[SOURCE: IEC 60664-4:2005, 3.5]


fr
fmin
fréquence à laquelle la réduction maximale de la tension de claquage d’une distance d’isolement apparaît

[SOURCE: IEC 60664-4:2005, 3.5]


de
fmin

ko
fmin
최소 주파수

ja
fmin

pl
fmin

pt
fmin

sr
fmin

zh
fmin

Publication date: 2014-11
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