That's what we use with a relay. http://www.reuk.co.uk/shop-LOW-VOLTAGE-DISCONNECTS-LVD.htm Pretty cheap and does the work.
On Thu, Nov 20, 2014 at 5:45 PM, CARL PETERSON via Af <af@afmug.com> wrote: > Thanks Dan, > > That is exactly what I was looking for but…at $200 I may need to think > about it if its just going to protect $400 worth of batteries from a long > power outage that seldom happens here… > > > Carl Peterson > *PORT NETWORKS* > 401 E Pratt St, Ste 2553 > Baltimore, MD 21202 > (410) 637-3707 > > On Nov 20, 2014, at 4:07 PM, Plexicomm Admin via Af <af@afmug.com> wrote: > > Carl Duracomm/Meanwell make the part you are looking for: > http://duracomm.com/siteresources/apps/catalog/shop/prodList.asp?idCategory=9 > > Dan English > Plexicomm - Internet Solutions > d...@plexicomm.net | 1.866.759.4678 x103 > Fax: 1.866.852.4688 | Emergency Support: 1.866.759.9713 > > > Note: Privileged/Confidential information may be contained in this message > and may be subject to legal privilege. Access to this e-mail by anyone > other than the intended is unauthorized. If you are not the intended > recipient (or responsible for delivery of the message to such person), you > may not use, copy, distribute or deliver to anyone this message (or any > part of its contents ) or take any action in reliance on it. In such case, > you should destroy this message, and notify us immediately. If you have > received this email in error, please notify us immediately by e-mail or > telephone and delete the e-mail from any computer. If you or your employer > does not consent to internet e-mail messages of this kind, please notify us > immediately. All reasonable precautions have been taken to ensure no > viruses are present in this e-mail. As our company cannot accept > responsibility for any loss or damage arising from the use of this e-mail > or attachments we recommend that you subject these to your virus checking > procedures prior to use. The views, opinions, conclusions and other > information expressed in this electronic mail are not given or endorsed by > the company unless otherwise indicated by an authorized representative > independent of this message. > > ------------------------------ > -----Original Message----- > From: "CARL PETERSON via Af" <af@afmug.com> > To: af@afmug.com > Date: 11/20/14 03:41 PM > Subject: [AFMUG] Low Voltage Battery Disconnect > > I have a couple Emerson 211 Rectifier shelves without the LVLD. In order > to protect my battery string, I am looking for a low voltage battery > disconnect that will disconnect the battery string when voltage drops below > ~42V and reconnect it when the rectifier comes back online so the batteries > will charge. Any suggestions for a ~20A system? > > Thanks, > > Carl Peterson > *PORT NETWORKS* > 401 E Pratt St, Ste 2553 > Baltimore, MD 21202 > (410) 637-3707 > > > > >
