[SML] Dimming a 24vac load

Jerry Durand jdurand at interstellar.com
Fri Jul 3 00:19:21 UTC 2015


May not work for this application, but I'll let out a trick on AC loads.

Assuming you don't mind a little voltage drop AND you have a floating
dimmer or AC source...

Split one wire going to the load, hook the power source to one ~
terminal of a bridge rectifier and the load to the other ~ terminal.

Hook the - lead of the bridge to the dimmer ground and hook the + from
the bridge to the dimmer output.  This assumes an NPN type of dimer, if
you have a PNP type then you may have to swap wires around.

On 07/02/2015 04:24 PM, Lyric Opera Kansas City via Stagecraft wrote:
> Hello Everyone,
>
> I recently posted about dimming a 24v load which many probably assumed
> would be a 24v DC load as I did.  I found out that it is a 24vac
> load.  They are tiny incandescent lights.  I will be pulling about
> 9.5A at 24vac.  I thought I had secured a magnetic transformer that I
> could use to dim these lights, but it fell through.  Anyone know where
> I could get something that would work for this application?  I am not
> sure if there are any other products that I could get my hands on to
> do the trick.
>
> Thanks,
>
> Nate
>
>
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-- 
Jerry Durand, Durand Interstellar, Inc.  www.interstellar.com
tel: +1 408 356-3886, USA toll free: 1 866 356-3886
Skype:  jerrydurand

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