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Re: Varistors - help
Hi Paul
If the solenoid is quite hefty might need to use a industrial
type suppressor ...got one here its a MURR Electronics (25180) device 24v
ac/dc..........used for 24v contactors...would be able to get something
similiar from an electrical wholesalers but wont be cheap.......
HTH
Frank
----- Original Message -----
From: "Paul Gale" <groups@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Friday, March 18, 2005 6:16 PM
Subject: RE: [ukha_d] Varistors - help
>
> Well both I think but I'm going to use DC.
>
> Paul.
>
> > -----Original Message-----
> > From: Frank Mc Alinden [mailto:fmcalind@xxxxxxx]
> > Sent: 17 March 2005 22:15
> > To: ukha_d@xxxxxxx
> > Subject: Re: [ukha_d] Varistors - help
> >
> >
> > Hi Paul
> >
> > > I get the solenoid valve tomorrow. I guess I just need one
between the
> > valve terminals?
> >
> > Yep thats correct........is it an ac or dc valve ????
> >
> > Frank
> >
> > ----- Original Message -----
> > From: "Paul Gale" <groups@xxxxxxx>
> > To: <ukha_d@xxxxxxx>
> > Sent: Friday, March 18, 2005 9:04 AM
> > Subject: RE: [ukha_d] Varistors - help
> >
> >
> > >
> > > 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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