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<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><img src="cid:part1.5q6p0bFE.HdXbjTmV@entech-engineering.com"
alt=""></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>
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</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>
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