Re: Transformer Soft Start

--- 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
>