Re: Emergency stop button -- Annuder Variant

George Galyon

And another thing about those Atlas "snap" relays.  Unless they've changed the design sometime in the last 30+ years they utilize a copper-on-copper (probably phos bronze) unplated slide mechanism which in my experience tended to fail open at a high rate of failure in less than 100 "snaps".  For a once in a blue moon operation...prob. acceptable.  But that All Electronics unit is a better price and is probably more reliable. 

George T.

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