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<div class="moz-cite-prefix">I'm working on something similar. I
think the Flex 1000 is the only reasonable choice that can handle
more than 2 of the large format DC breakers. Midnite has the more
expensive MNBCB -1000 Battery Combiner box, but there just isn't
enough documentation to figure out what it can and can't do.<br>
<pre class="moz-signature" cols="72">R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760</pre>
On 2/7/2014 6:29 PM, <a class="moz-txt-link-abbreviated" href="mailto:william@millersolar.com">william@millersolar.com</a> wrote:<br>
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<div class="WordSection1">
<p class="MsoNormal">Friends:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am reworking an installation with 3 Sunny
Island inverters. The battery leads have no disconnecting
means or OCP. I have been looking for sensible hardware to
provide this and I have found some options. I am interested
in any input on these or ideas I have not discovered.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoListParagraph"
style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
style="mso-list:Ignore">1.<span style="font:7.0pt
"Times New Roman""> </span></span><!--[endif]-->SMA
BATFUSE. I am having trouble deciding which one is right for
a 3 SI install. <o:p></o:p></p>
<p class="MsoListParagraph"
style="margin-left:1.0in;text-indent:-.25in;mso-list:l0 level2
lfo1"><!--[if !supportLists]--><span style="mso-list:Ignore">a.<span
style="font:7.0pt "Times New Roman""> </span></span><!--[endif]-->The
B.003 appears to have fuse positions for the positive and the
negative leads. I am fairly darn certain I don’t want fuses
in the negative leads of a negative bonded system, and
although this is my first SI install, I am pretty sure this is
negative bonded. Am I missing something here? <o:p></o:p></p>
<p class="MsoListParagraph"
style="margin-left:1.0in;text-indent:-.25in;mso-list:l0 level2
lfo1"><!--[if !supportLists]--><span style="mso-list:Ignore">b.<span
style="font:7.0pt "Times New Roman""> </span></span><!--[endif]-->The
B.001 has only positions for two fuses as far as I can see
from the manual.<o:p></o:p></p>
<p class="MsoListParagraph"
style="margin-left:1.0in;text-indent:-.25in;mso-list:l0 level2
lfo1"><!--[if !supportLists]--><span style="mso-list:Ignore">c.<span
style="font:7.0pt "Times New Roman""> </span></span><!--[endif]-->So
it looks like neither will work for me. Does anyone have any
experience and/or wisdom here?<o:p></o:p></p>
<p class="MsoListParagraph"
style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
style="mso-list:Ignore">2.<span style="font:7.0pt
"Times New Roman""> </span></span><!--[endif]-->Midnite
Solar E-panels:<o:p></o:p></p>
<p class="MsoListParagraph"
style="margin-left:1.0in;text-indent:-.25in;mso-list:l0 level2
lfo1"><!--[if !supportLists]--><span style="mso-list:Ignore">a.<span
style="font:7.0pt "Times New Roman""> </span></span><!--[endif]-->The
regular panel has DC and AC components. I want to control the
AC elsewhere so I could order three slave units. The Midnite
unit mounts right under the inverter but I would prefer to
have the OCP closer to the batteries.<o:p></o:p></p>
<p class="MsoListParagraph"
style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
style="mso-list:Ignore">3.<span style="font:7.0pt
"Times New Roman""> </span></span><!--[endif]-->Outback:<o:p></o:p></p>
<p class="MsoListParagraph"
style="margin-left:1.0in;text-indent:-.25in;mso-list:l0 level2
lfo1"><!--[if !supportLists]--><span style="mso-list:Ignore">a.<span
style="font:7.0pt "Times New Roman""> </span></span><!--[endif]-->We
could purchase an Outback FX1000 and install three breakers in
it.<o:p></o:p></p>
<p class="MsoListParagraph"
style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span
style="mso-list:Ignore">4.<span style="font:7.0pt
"Times New Roman""> </span></span><!--[endif]-->Breaker
Size:<o:p></o:p></p>
<p class="MsoListParagraph"
style="margin-left:1.0in;text-indent:-.25in;mso-list:l0 level2
lfo1"><!--[if !supportLists]--><span style="mso-list:Ignore">a.<span
style="font:7.0pt "Times New Roman""> </span></span><!--[endif]-->I
have started to read the manual but I have yet to find out
what size breaker fuse is recommended. Have I just not found
it yet?<o:p></o:p></p>
<p class="MsoListParagraph"
style="margin-left:1.0in;text-indent:-.25in;mso-list:l0 level2
lfo1"><!--[if !supportLists]--><span style="mso-list:Ignore">b.<span
style="font:7.0pt "Times New Roman""> </span></span><!--[endif]-->Also,
I have not found a specification for battery cable size. Am I
blind?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks in advance. I really appreciate the
help I receive here. I try to give as well as receive.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">William<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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