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I have been researching about rotary switches, I was confused when I read in a datasheet that has standard imperial and standard metric. Can anybody please explain to me what is the difference between standard imperial and standard metric rotary switches?

https://www.mouser.com/ProductDetail/Lorlin/CK1033?qs=Jslch3jnSjm61SjQtBRQZg%3D%3D

enter image description here

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    \$\begingroup\$ Welcome! It says in the top table what the mechanical differences are. \$\endgroup\$
    – winny
    Nov 23, 2023 at 8:09
  • \$\begingroup\$ 6.35 mm = 1/4 inch. A standard shaft diameter in the Imperial system. \$\endgroup\$
    – Mattman944
    Nov 23, 2023 at 8:20

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The "standard" means that the values are the ones listed in the table. A non-standard part number would be one for e.g. a metric dimensioned switch with an 80mm spindle, for example.

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  • \$\begingroup\$ Thanks for this. Appreciate it. \$\endgroup\$ Nov 28, 2023 at 14:04
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The mounting hardware is different. One uses imperial sized mountings, and the other is metric.

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  • \$\begingroup\$ Thanks for your comment good sir. appreciate it. \$\endgroup\$ Nov 28, 2023 at 14:05

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