The size of terminal bars in the enclosure layout is automatically calculated by us.
To make the calculation easier to understand, an info icon now displays the underlying values. To do this, select the desired terminal bar in the enclosure layout:

The following window shows both an excerpt of the associated cables and the exact calculation:

Our calculation remains approximate, aiming to plan for one module too many rather than regretting too little space later. You can still override our automatic calculation by replacing the terminal bar with a placeholder of your chosen size.