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Re: [Amps] rotary switch - shorting/non-shorting

Subject: Re: [Amps] rotary switch - shorting/non-shorting
From: "David G4FTC" <>
Date: Fri, 31 Aug 2007 05:08:24 +0000
List-post: <>

> > Shorting and non-shorting are common terms in describing
> > rotary switches.
> > The make-before-break , etc. are common for toggle
> > switches and relays.
>Right you are Bill, but I'm wondering if it is different in
>Europe or other places for rotary and they use make before
>break to mean shorting in a rotary?

Certainly in the UK make-before-break and break-before-make are standard 
descriptions for all switches, including rotary.

The normal description for a shorting wafer of a rotary would be a rotating 
open circuit but this would apply to the type of wafer where all of the 
unused contacts are shorted together.

I don't know what the term used is to decribe a progressively shorting 
wafer. These don't seem to be standard stock items from our distributors so 
I guess they may be to special order only, and then the purchaser would need 
to provide a specification/drawing of what he requires.

David G4FTC

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