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Re: 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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