Alexander Schleicher rotary main switch, originally mounted in AS gliders.
Switches without losing battery connection ("make-before-break"); no condensator or fast move required!
Switch rating (amps): 1A
Switching action: Double Pole Single Throw (DPST), 2 pole 6 way.

Dimensions (body):
L= 18mm
W= 26mm
H= 26mm
Total L=64mm (adjustable)
Cutout: Ø10mm