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IEC 60317-57 Ed. 1.0 b:2010 Specifications for particular types of winding wires - Part 57: Polyamide-imide enameled round copper wire, class 220
standard by International Electrotechnical Commission, 08/06/2010
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IEC 60317-57:2010 specifies the requirements of an enamelled round copper winding wire of class 220 with a sole coating based on polyamide-imide resin, which may be modified providing it retains the chemical identity of the original resin and meets all specified wire requirements. Class 220 is a thermal class that requires a minimum temperature index of 220 and a heat shock temperature of at least 240 C.This publication is to be read in conjunction with IEC 60317-0-1:2008.