NKK Switches, 5 Position SPST Rotary Switch, 0.1 → 100 mA @ 20 mV → 28 V, 2 A @ 30 V dc, 3 A @ 125 V ac,

Self-cleaning sliding contact type gives high contact reliability
Terminal insert moulding prevents flux penetration and loosening of terminals
Stopper can be freely configured to set the desired number of switch positions

Procedure when changing stopper setting
Turn the knob fully to the left
Loosen the nut at the top of the switch and insert the protruding part of the stopper into the terminal numbered hole
Tighten the nut to between 196 and 294 m N m