This part of IEC 60317 specifies the requirements of enamelled rectangular copper winding
wire of class 120 with a sole coating based on polyvinyl acetal resin, which may be modified
providing it retains the chemical identity of the original resin and meets all specified wire
requirements.
Class 120 is a thermal class that requires a minimum temperature index of 120 and a heat
shock temperature of at least 155 °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: minimum 2,0 mm; maximum 16,0 mm;
? thickness: minimum 0,80 mm; maximum 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.
BS EN 60317-18:2004+A1:2010 history
2004BS EN 60317-18:2004+A1:2010 Specifications for particular types of winding wires - Polyvinyl acetal enamelled rectangular copper wire, class 120
2004BS EN 60317-18:2004 Specifications for particular types of winding wires - Polyvinyl acetal enamelled rectangular copper wire, class 120
1993BS EN 60317-18:1993 Specifications for particular types of winding wires - Polyvinyl acetal enamelled rectangular copper wire, class 120