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Non-aero app: 120/240 AC through 24vdc switch?

 
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nuckolls.bob(at)aeroelect
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PostPosted: Tue Aug 29, 2017 8:19 am    Post subject: Non-aero app: 120/240 AC through 24vdc switch? Reply with quote

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On Aug 29, 2017, at 6:29 AM, Robert L. Nuckolls, III < nuckolls.bob(at)aeroelectric.com (nuckolls.bob(at)aeroelectric.com)> wrote:
Quote:
Good eye. Yeah, if THAT option is attractive, you'll need a beefier device. Maybe something like this.

http://tinyurl.com/y8bfqm5o


Careful... the linked SSR is a DC-DC device. It's basically an opto-isolated MOSFET or Darlington. It might work as a rectifier, but only briefly!

For this application the output side has got to be labeled for AC, then it'll contain a triac or souce-connected N-MOSFETs.

If John isn't hesitant to use offshore sources for his parts, he might try these...

http://www.ebay.com/itm/112021093981

I've used a couple in mains-powered projects and had no trouble with them. They're not a brand anyone has ever heard of, but they seem to work, the price is right, and the screw terminals lend themselves to a field retrofit better than a PCB-mounted SIP package.

Good catch! Thanks.



Bob . . .


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