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Old 7th April 2014, 07:33 PM   #1
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Default Rotary front panel power switch for 4U chassis

Haven't had any luck finding a good solution here, so thought I'd ask...

I'd like to add a front panel power switch (rotary 2 position) to my pending F4 amp build

That said, I haven't found any switches yet with a barrel length long enough to handle the 4U chassis's 10mm+ front panel thickness. All mains rated rotary switches I have found support a +/- 5mm max panel thickness.

Any recommendations?

thanks
bryan
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Old 7th April 2014, 08:33 PM   #2
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Think about milling the panel in the area in which you want to place the switch
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Old 7th April 2014, 08:51 PM   #3
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already have a note into a friend with a vertical mill

hoping that perhaps there is a part/ solution out there I just haven't found yet

bryan
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Old 7th April 2014, 09:10 PM   #4
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maybe with a trick.

Take a lorlin rotary Switch. From the datasheet they could handle 250V at 0,15A.
And switch with that Relais, which could handle your mains voltage at the Relais-coil
The Relais (rated at XXX Ampere) then switch your mains.

I thought about to try a similar Setup to Switch on 2 amps.
Because powerswitch is only rated 5A at 250V and i want more for reliabilty.

Any suggestions if this could work save?

I think it should, but i`m not sure
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Old 7th April 2014, 10:07 PM   #5
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Quote:
Originally Posted by bjorgens View Post
...hoping that perhaps there is a part/ solution out there I just haven't found yet

bryan
Look for a potentiometer shaft extender. Contact Steve at Apex Jr. (Apex Jr.Home Page) and ask him if he has one available.
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Old 8th April 2014, 02:47 AM   #6
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Thanks folks... Spoke to my buddy with a vertical mill, and he's willing to trade machine time for conversation and beer, so that's the plan for now.

Cheers!
Bryan
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