On-Off-On vs. On-None-On .
"micky"
A guy on the web says ""On-None-On" indicates there are only two rest
positions, making one connection or the other. " but again, the same
maker will have many other DT swtiches marked On-Off, so that's a little
hard to believe.
** "On-Off " indicates the switch has two contacts ( per pole) instead of
three.
.... Phil
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