Re: What is it - Enigma related??
It looks like some kind of mechanically driven rotary sector switch. I'd say the fourth picture is the mechanical linkage between the switch modules. Whichever switch the red marker in picture two is pointing to, is closed. I notice all the wires in one switch are blue, the next red. Can't see the third, but if yellow it could be some kind of switch to select some three phase measurements?
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