Description: A number that is one of a series and is used for identification as of a machine weapon or motor vehicle; Name: Serial number
Description: Unique combination of numbers and letters used to identify the device once it has been manufactured; Name: Serial number
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