NFC 31 657:1988被替代
Specifications For Particular Types Of Winding Wires - Polyimide Enamelled Round Copper Winding Wire, Class 220
出版：Association Francaise de Normalisation
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基本信息
标准编号： NFC 31 657:1988
标准类别：Standard
出版单位：Association Francaise de Normalisation
标准页数：21
标准简介
Specifies the requirements of enamelled round copper winding wire of class 220 with a sole coating based on polyimide resin. Covers the following range of nominal conductor diameters: 0,020 mm up to and including 2,000 mm (Grade 1); 0,020 mm up to and including 5,000 mm (Grade 2). Coverage includes dimensions, electrical resistance, heat shock, break down voltage, loss of mass, and high temperature failure.
替代本标准的新标准
等同采用的国际标准
IEC 60317-7 Ed. 3.2 - Similar
