Re: [CAD_CAM_EDM_DRO] Re: Transformer Soft Start

Hi Rab,
RS order code 210-724 or 210-730 should work fine.

I normally use Farnell order code 984-450 because it is cheaper.
http://uk1.farnell.com/Welcome/welcome-frame-unregistered.jhtml


HTH,
Les

> If you can recommend some RS codes, I'd certainly find them usefull,
>
> Rab
> http://www.rainnea.com/cnc.htm
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Les Newell" <les@l...> wrote:
> > What you need is a surge arrestor. They are a positive temperature
> > coefficient thermistor designed to reduce switch on surges.
> >
> > You put the surge arrestor in series with the transformer. When it
> is cold
> > it has a reitively high resistance which limits the surge. When you
> pass
> > current through it, it heats up and the resistance drops to a very
> low
> > level.
> >
> > Where are you based? I can supply RS components (UK) order codes if
> that is
> > any help.
> >
> > Les
> >
>
>
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