60317-58-2010 Spécifications pour types particuliers de fils de bobinage – Partie 58: Fil de section rectangulaire en cuivre émaillé avec polyamide-imide@ classe 220 (Edition 1.0)
Specifications for particular types of winding wires – Part 58: Polyamide-imide enamelled rectangular copper wire@ class 220 (Edition 1.0)
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This part of IEC 60317 specifies the requirements of enamelled rectangular 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. The temperature in degrees Celsius corresponding to the temperature index is not necessarily that at which it is recommended that the wire be operated and this will depend on many factors@ including the type of equipment involved. The range of nominal conductor dimensions covered by this standard is as follows: ? width: min. 2@0 mm; max. 16@0 mm; ? thickness: min. 0@80 mm; max. 5@60 mm. Wires of grade 1 and grade 2 are included in this specification and apply to the complete range of conductors. The specified combinations of width and thickness as well as the specified ratio width/thickness are given in IEC 60317-0-2.