To obtain the manufacturing date of Compact NS or NSX circuit-breakers, read the screen-printed marking at the top of the front panel.
The code P07351, for example, provides the following information:
- The 1st letter corresponds to the manufacturing site: P (Montmélian in France), PL (Poland) or N (Naples)
- The next 2 numbers correspond to the year: 2007 in this example
- The next 2 numbers correspond to the week: week 35 in this example
- Finally the last number corresponds to the day of the week: Monday in this example