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RE: Varistors - help
How can I tell if it's hefty or not - by the rating etc?
Paul.
> -----Original Message-----
> From: Frank Mc Alinden [mailto:fmcalind@xxxxxxx]
> Sent: 18 March 2005 08:19
> To: ukha_d@xxxxxxx
> Subject: Re: [ukha_d] 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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