Four Terminals, although some earlier versions had three. (if so in the comment section during check out ask for the proper wiring instructions)
16A 250V Rated
NOTE: This switch is smaller (19x13mm) from standard espresso machine size switches.
Fits:
La Pavoni PA-16
La Pavoni PL-16
La Pavoni PAB-16
If you’re original switch had only 3 prongs, then please request a wiring diagram in the comments box (final check out page) as the current version has 4 prongs.