Description: assignment of a device to a group of similar kinds of devices based on their characteristics; Name: Item type
Description: Characteristic to differentiate between different products of a product family or special variants; Name: Product type
Description: voltage which, together with the rated operating current, determines the use of the device and to which the various tests and the use categories refer. With single pole devices the rated rated operating voltage is generally the voltage over the pole. With multi-pole devices it is generally given as chained voltage; Name: Operating voltage