What is BS EN IEC 60317-12 about?
BS EN IEC 60317-12 is the 12 th part of multi-series standard which specifies the requirements of enamelled round copper winding wires of class 120 with a sole coating based on polyvinyl acetal or polyvinyl formal resin, which can be modified provided it retains the chemical identity of the original resin and meets all specified wire requirements.
The range of nominal conductor diameters covered by BS EN IEC 60317-12 is:
Grade 1: 0,040 mm up to and including 2,500 mm
BS EN IEC 60317-12:2020 history
2020BS EN IEC 60317-12:2020 Specifications for particular types of winding wires - Polyvinyl acetal enamelled round copper wire, class 120