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RE: Varistors - help




Ah, well, I've bought the solenoid from someone else - no tech data.

It's quite small though - about as long as a piece of string ;)

Paul.



> -----Original Message-----
> From: Frank Mc Alinden [mailto:fmcalind@xxxxxxx]
> Sent: 18 March 2005 09:04
> To: ukha_d@xxxxxxx
> Subject: Re: [ukha_d] Varistors - help
>
>
> > How can I tell if it's hefty or not - by the rating etc?
>
> Yep...........Though RS should be able to recommend a varistor seeing
your
> buying the solenoid from them...
>
> Frank
>
>
> ----- Original Message -----
> From: "Paul Gale" <groups@xxxxxxx>
> To: <ukha_d@xxxxxxx>
> Sent: Friday, March 18, 2005 7:54 PM
> Subject: RE: [ukha_d] 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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> > > > > > > > >
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