Arrangement for connecting set values concerning performance relating to an electronics device to the electronics device, more particularly to a power electronics device, such as a frequency converter, which arrangement includes a rating plate part. The rating plate part is a separate unit belonging to the nameplate arrangement of the electronics device, which unit may be affixed to the electronics device. The rating plate part includes a memory member, in which values concerning the performance of the device are recorded. The rating plate part further includes an area in which information corresponding to the information recorded in the memory member is printed and which area remains visible when the rating plate part is affixed to the electronics device.