RE: Varistors - help

["Paul Gale" <groups@xxxxxxxxxxxxxxxx>]

Great, thanks - Frank to the rescue again ;)

I get the solenoid valve tomorrow. I guess I just need one between the
valve terminals?

Paul.



> -----Original Message-----
> From: Frank Mc Alinden [mailto:fmcalind@xxxxxxx]
> Sent: 17 March 2005 20:40
> To: ukha_d@xxxxxxx
> Subject: Re: [ukha_d] Varistors - help
>
>
> Hi Paul
>
> > Another thought - are these needed on DC circuits, or is it just
AC?
>
>  Both ......I use them for relays etc much better than using diodes
for
> back
> emf suppression....will post a little later with hopefully a part
number
> for
> you if you cant find anything suitable..
> Frank
>
>
>
> ----- Original Message -----
> From: "Paul Gale" <groups@xxxxxxx>
> To: <ukha_d@xxxxxxx>
> Sent: Friday, March 18, 2005 3:23 AM
> Subject: RE: [ukha_d] Varistors - help
>
>
> >
> > Another thought - are these needed on DC circuits, or is it just
AC?
> >
> > Paul.
> >
> >
> >
> > > -----Original Message-----
> > > From: Paul Gale [mailto:groups@xxxxxxx]
> > > Sent: 17 March 2005 14:36
> > > To: ukha_d@xxxxxxx
> > > Subject: [ukha_d] Varistors - help
> > >
> > >
> > > I'm buying a solenoid valve (24V) from RS along with a float
switch to
> > > control a water level in a holding tank in the loft - for
water supply
> to
> > > an aquarium downstairs.
> > >
> > > I've been recommended to fit a varistor across the solenoid
terminals
> and
> > > float switch terminals.
> > >
> > > Can anyone recommend what type of varistor I should use -
and where?
> > >
> > > Thanks,
> > >
> > > Paul.
> > >
> > >
> > >
> > >
> > >
> > > [Non-text portions of this message have been removed]
> > >
> > >
> > >
> > >
> > >
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