Steven Howes wrote:
> Basically the central position will be 'off'. The left hand side will
> connect a ground on 'circuit 1', turning it to the right will connect
> the ground for 'circuit 1' and 'circuit 2'. And this device could be
> submerged in a metre of water for several minutes. The currents it will
> draw will be at the very most an amp, although it will most probably be
> nearer 700mA. The person operating it probably wont be able to see it so
> we were after a nice clicky rotary switch with 3 definite positions.

Is it too wacky to use four pushbuttons instead?  These are easy to find 
in IP67.  Means you have to add some circuit to keep the power going, 
but may make waterproofing much easier.

Arranged carefully (or using different shapes), it might be easy to tell 
by feel which is which.
-- 
Timothy J. Weber
http://timothyweber.org
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