Please note that bigger minimum distances are necessary
The standard lock Ronis 251
For covering of screw terminal
2 NO for 1st or 2nd switching element
2 NO for 3rd switching element
2 NC for 1st or 2nd switching element
2 NC for 3rd switching element
1 NC + 1 NO for 1st or 2nd switching element
1 NC + 1 NO for 3rd switching element
For thin front panel and plastic case