<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">You could swap it out with a FM-80 and do 4 strings of two modules in series.<div><br id="lineBreakAtBeginningOfSignature"><div dir="ltr"><div>Michael D Nelson</div><div>MD Electric & Solar, Inc.</div><div>707-684-0064 mobile</div><div>707-884-1862 office</div><div>www.mdelectricsolar.com</div><div>www.facebook.com/mdelectricandsolar</div><br></div><div dir="ltr"><br><blockquote type="cite">On Apr 18, 2025, at 6:40 AM, Christopher Warfel via RE-wrenches <re-wrenches@lists.re-wrenches.org> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<p>Hi Jason, I have the same set up. These are the array and cc
breakers. Although we are having a power outage right now, the DC
shunt is doing its usual crazy reading from time to time. Chris<br>
</p>
<p><br>
</p>
<p><div><2b1DSIMNoJXo0FJ2.jpg></div></p>
<div class="moz-cite-prefix">On 4/18/2025 8:35 AM, Jason Szumlanski
via RE-wrenches wrote:<br>
</div>
<blockquote type="cite" cite="mid:CAE438R_y5f=5XDCLWax9ssX9KAMWM9qsniM6csHFS3SRiPXZPA@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div dir="auto">Hi all,
<div dir="auto"><br>
</div>
<div dir="auto">I have a client that wants to replace a PV array
that is aging and hurricane damaged. It's a rather old array
of unknown rating connected to a MX60 via a Flexware 500 DC
enclosure (48V). </div>
<div dir="auto"><br>
</div>
<div dir="auto">I'm planning to install eight REC 450 Alpha Pure
RX in series. I'm going to need a 600 volt charge controller.
I'm considering a Midnite Hawk's Bay unless someone has a
better idea. </div>
<div dir="auto"><br>
</div>
<div dir="auto">The customer sent me this crude image. I can see
the two inverter breakers on the right. I am wondering what
the two breakers on the left are. I'm thinking one of these is
an 80 amp breaker for the output of the MX60. The other one is
probably a PV input breaker of unknown rating. I would need to
change these to accommodate the new charge controller. The
Midnite Hawk's Bay 90 requires a 125A output breaker. Does
anyone know if there is an Outback breaker of this physical
size and 125A rating to plug into this DC FlexWare enclosure?
For the PV input, I should be able to get whatever breaker is
required for this single string of PV. </div>
<div dir="auto"><br>
</div>
<div dir="auto">I'm all ears if there is an easier way to go
about this with approximately 3,600W of new PV.</div>
<div dir="auto"><br>
</div>
<div dir="auto">Thanks in advance!</div>
<div dir="auto"><br>
</div>
<div dir="auto">Jason Szumlanski </div>
<div dir="auto">Florida Solar Design Group </div>
</div>
<br>
<fieldset class="moz-mime-attachment-header"></fieldset>
<pre wrap="" class="moz-quote-pre">_______________________________________________
List sponsored by Redwood Alliance
Pay optional member dues here: <a class="moz-txt-link-freetext" href="http://re-wrenches.org">http://re-wrenches.org</a>
List Address: <a class="moz-txt-link-abbreviated" href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a>
Change listserver email address & settings:
<a class="moz-txt-link-freetext" href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a>
There are two list archives for searching. When one doesn't work, try the other:
<a class="moz-txt-link-freetext" href="https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/">https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/</a>
<a class="moz-txt-link-freetext" href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org">http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</a>
List rules & etiquette:
<a class="moz-txt-link-freetext" href="http://www.re-wrenches.org/etiquette.htm">http://www.re-wrenches.org/etiquette.htm</a>
Check out or update participant bios:
<a class="moz-txt-link-freetext" href="http://www.members.re-wrenches.org">http://www.members.re-wrenches.org</a>
</pre>
</blockquote>
<pre class="moz-signature" cols="72">--
Christopher Warfel, PE
ENTECH Engineering, Inc.
PO Box 871, Block Island, RI 02807
(401) 447-5773</pre>
<span>_______________________________________________</span><br><span>List sponsored by Redwood Alliance</span><br><span></span><br><span>Pay optional member dues here: http://re-wrenches.org</span><br><span></span><br><span>List Address: RE-wrenches@lists.re-wrenches.org</span><br><span></span><br><span>Change listserver email address & settings:</span><br><span>http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</span><br><span></span><br><span>There are two list archives for searching. When one doesn't work, try the other:</span><br><span>https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/</span><br><span>http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</span><br><span></span><br><span>List rules & etiquette:</span><br><span>http://www.re-wrenches.org/etiquette.htm</span><br><span></span><br><span>Check out or update participant bios:</span><br><span>http://www.members.re-wrenches.org</span><br><span></span><br></div></blockquote></div></body></html>