[waroff]

This switch was used on some french aircraft.
On your switch the label is missing, we see both fixing holes.

On MS 406, there was five switch on/off exactly this.
landing light
nav light
anemometer
ammunition gauge
guncam

I think this model on/off was used on MB151/152 but I'm not sure
anemometer
nav light
landing light
flare Holt
propeller/ammunition gauge/guncam

there are another switch(rheostat, push push switch)

Seen the state of screw and piece, I think that these parts were put down, not crashed.
If these pieces would have been removed from aircraft, then the plane will have been removed

under an original switch, you can see a phosphorescent paint on the toggle