[RE-wrenches] battery box fan

[Drake Chamberlin]

Call Consolidated Parts Inc. (CPI) in Denver.

At 06:06 PM 11/7/2008, you wrote:
>HI Larry
>I am sorry I misunderstood your query, What you need is a 12 V. coil 
>relay capable of handeling the DC fan current at 48 volts.  I 
>usually go to grainger for these, 12 volt coil (DC) and contact 
>rating of a single pole single throw relay, or a two pole, single 
>throw and wire the contacts in series.  Find the current rating of 
>the Fan and make sure the relay contact rating is greater than this.
>  Darryl
>
>
>--- On Fri, 11/7/08, Darryl Thayer <daryl_solar at yahoo.com> wrote:
>
> > From: Darryl Thayer <daryl_solar at yahoo.com>
> > Subject: Re: [RE-wrenches] battery box fan
> > To: "RE-wrenches" <re-wrenches at lists.re-wrenches.org>
> > Date: Friday, November 7, 2008, 6:18 PM
> > If your fan is less than 1 amp, like a small computer fan,
> > you can power the fan directly, else you have a problem,
> > because you have 48 volts and need a 48 volt fan or a
> > voltage coverter 48 to 12 volts. Solar converters makes such
> > an item aloong with others.
> > Darryl
> >
> >
> > --- On Fri, 11/7/08, Larry Brown
> > <sunmountain at netstep.net> wrote:
> >
> > > From: Larry Brown <sunmountain at netstep.net>
> > > Subject: [RE-wrenches] battery box fan
> > > To: RE-wrenches at lists.re-wrenches.org
> > > Date: Friday, November 7, 2008, 3:29 PM
> > > Wrenches.
> > >
> > > On an upgrade to an existing system, we just installed
> > a
> > > Xantrex XW6048 inverter.  We have a 48 volt dc battery
> > box
> > > vent fan that we used to run through the relay on the
> > old
> > > SW5548.  The XW6048 has a 12 vdc aux output so I
> > assume we
> > > need to install a relay to run the fan, 12vdc input,
> > that
> > > will allow 48 vdc output
> > > Any suggestions on what relay to use?
> > >
> > > Thanks
> > >
> > > Larry Brown
> > > Sun Mountain
> > > _______________________________________________

Drake Chamberlin
Athens Electric
OH License 44810
CO License 3773
740-448-7328
740-856-9648