Re: SSR question

From	John Robertson <jrr@flippers.com>
Newsgroups	sci.electronics.design
Subject	Re: SSR question
Date	2024-09-11 21:55 -0700
Organization	A noiseless patient Spider
Message-ID	<vbts8t$33cq$1@dont-email.me> (permalink)
References	<ehm4ejlc33vckjoevn36k5odl9ugnt5sfk@4ax.com>

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On 2024-09-11 8:08 p.m., john larkin wrote:
> 
> Given a power supply that needs 120 volts AC input, I'd like to use a
> small front-panel power switch at some low voltage, not run the AC
> line up to the front panel.
> 
> Do people make SSRs that would do that, accept a low-voltage switch
> closure to switch AC?
> 

Sure, there are the TRAIC SSR bricks that take 4 to 32VDC to switch - 
and can handle tens of amps.

https://www.digikey.ca/en/products/filter/solid-state-relays-ssr/183?s=N4IgTCBcDaIIIGEAEAXATgSwIYGMQF0BfIA

And also the opto-isolated TRAICs like the MOC302x family from Lite-On.

Of course you need some power to enable that stuff to run - perhaps a 
capacitor/resistor driven supply that sucks a tiny amount of current 
from the power line to enable the drive circuit?

John :-#)#

-- 
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SSR question john larkin <JL@gct.com> - 2024-09-11 20:08 -0700
  Re: SSR question John Robertson <jrr@flippers.com> - 2024-09-11 21:55 -0700
    Re: SSR question Jan Panteltje <alien@comet.invalid> - 2024-09-12 06:30 +0000
    Re: SSR question john larkin <JL@gct.com> - 2024-09-12 07:45 -0700
      Re: SSR question Chris Jones <lugnut808@spam.yahoo.com> - 2024-09-13 21:17 +1000
        Re: SSR question john larkin <JL@gct.com> - 2024-09-13 09:14 -0700
          Re: SSR question john larkin <JL@gct.com> - 2024-09-13 19:25 -0700
      Re: SSR question bitrex <user@example.net> - 2024-09-13 22:32 -0400
  Re: SSR question Jan Panteltje <alien@comet.invalid> - 2024-09-12 06:23 +0000
  Re: SSR question Joe Gwinn <joegwinn@comcast.net> - 2024-09-12 09:35 -0400
  Re: SSR question Pimpom <Pimpom@invalid.invalid> - 2024-09-13 00:23 +0530
  Re: SSR question piglet <erichpwagner@hotmail.com> - 2024-09-12 20:09 +0000
    Re: SSR question john larkin <jl@650pot.com> - 2024-09-13 10:47 -0700
      Re: SSR question Klaus Vestergaard Kragelund <klauskvik@hotmail.com> - 2024-09-14 02:53 +0200

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