3 pole Sealed PCB Rotary

These switches have a removable ring with tab which can be inserted into the switch several ways to your particular requirements. For example, if you purchased a 1 pole x 12 way (max) switch you could convert it to, say, 1 pole 7 way between stops. They have a standard 1/4 shaft. 
From 3 pole 2 position to 3 pole 4 position