This part of IEC 60317 specifies the requirements of enamelled rectangular copper winding wire of class 120 with a dual coating. The underlying coating is based on polyvinyl acetal resin, which can be modified providing it retains the chemical identity of the original resin and meets all specified wire requirements. The second coating is a bonding layer based on a thermoplastic or thermosetting resin.Cross References:IEC 60317-0-2IEC 60317-0-2:2019EN IEC 60317-0-2EN 60851-4:2016IEC 60851-4:2016IEC 60851 (series)EN 60317 (series)EN 60264 (series)IEC 60264 (series)EN 60851 (series)IEC 60317 (series)ISO 6892-1:2016EN ISO 6892-1:2016All current amendments available at time of purchase are included with the purchase of this document.