When choosing a switch disconnector, which current should I consider? Ith or Ie?

When choosing the switch disconnector, the first thing to consider is the category of use, that is the application to which it's intended. For example, the table below lists: AC-21 Switching of resistive loads, including moderate overloads AC-22 Switching of mixed resistive and inductive loads, including moderate overloads AC-23 Switching of motor loads or other highly inductive [...]