<div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif">The D222NRB General Duty safety switch is service rated. Why do you say it has to be heavy-duty?</div><br><div id="WISESTAMP_SIG_gmail_session">
<div style="font-size:13px;font-family:Verdana,Arial,Helvetica,sans-serif"><div style="margin:0 0 8px 0"><p style="margin:0"><span><span>Jason Szumlanski</span></span></p><p style="margin:0"><span><span></span></span></p>
<div class="gmail_default" style="font-family:verdana,sans-serif;display:inline">Fafco Solar</div><br><p></p><div style="clear:both"></div></div><img src="https://wisestamp.appspot.com/pixview.gif?p=chrome&v=3.31.0&t=1394662672015&u=eb875d38140ce271" width="1" height="1"></div>
</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, Mar 12, 2014 at 5:32 PM, Brian Teitelbaum <span dir="ltr"><<a href="mailto:bteitelbaum@aeesolar.com" target="_blank">bteitelbaum@aeesolar.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-US" link="blue" vlink="purple"><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">One big omission, in the otherwise fine Soligent white paper, is that the 60A minimum disconnect has to be rated as “Service Equipment”. Generally this means a “Heavy-Duty” safety switch or Service-rated load center with Main breaker. <u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">I don’t see why an AC breaker panel, with a Main breaker, couldn’t act as the PV system disconnect, as long as it’s Service-rated, a minimum of 60A, and the utility does not require an external-handle disconnect, lockable in the off position. Many utility companies still do.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Brian Teitelbaum<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">AEE Solar<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> <a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a> [mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>Jason Szumlanski<br>
<b>Sent:</b> Wednesday, March 12, 2014 2:14 PM<br><b>To:</b> RE-wrenches<br><b>Subject:</b> Re: [RE-wrenches] AC Combiner with main breaker as system disconnect<u></u><u></u></span></p><div><div class="h5"><p class="MsoNormal">
<u></u> <u></u></p><div><div><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif"">Don't utter the word tap. :)</span><u></u><u></u></p></div><div><p class="MsoNormal"><u></u> <u></u></p>
</div><div><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif"">See:</span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif""><a href="http://www.soligent.net/documents/HappyLandings_v3.pdf" target="_blank">http://www.soligent.net/documents/HappyLandings_v3.pdf</a></span><u></u><u></u></p>
</div><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal"><span style="font-family:"Verdana","sans-serif"">We usually specify a fusible disconnect for overcurrent protection when grouping the PV AC combiner with the main premises disconnect is not practical.<u></u><u></u></span></p>
</div><p class="MsoNormal" style="margin-bottom:12.0pt"><u></u> <u></u></p><div><div><div style="margin-bottom:6.0pt"><p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif"">Jason Szumlanski<u></u><u></u></span></p>
<div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif"">Fafco Solar<u></u><u></u></span></p></div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif""><br>
<u></u><u></u></span></p></div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif""><img border="0" width="1" height="1" src="https://wisestamp.appspot.com/pixview.gif?p=chrome&v=3.31.0&t=1394658190268&u=eb875d38140ce271"><u></u><u></u></span></p>
</div></div></div><div><p class="MsoNormal" style="margin-bottom:12.0pt"><u></u> <u></u></p><div><p class="MsoNormal">On Wed, Mar 12, 2014 at 1:31 PM, <<a href="mailto:kevin@renovusenergy.com" target="_blank">kevin@renovusenergy.com</a>> wrote:<u></u><u></u></p>
<div><p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica","sans-serif"">I am trying to determine whether an AC combiner panel (for multiple inverter outputs) with main breaker can be also used as the PV system disconnect? <br>
<br>This is for a line tap situation. I am accustomed to doing these systems with an AC combiner, and separate enclosure for a breaker style, line tap over current protection.<br><br>Any thoughts/comments would be appreciated. <br>
<br>Thanks,<br><br>Kevin<u></u><u></u></span></p></div><p class="MsoNormal" style="margin-bottom:12.0pt"><br>_______________________________________________<br>List sponsored by Home Power magazine<br><br>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org" target="_blank">RE-wrenches@lists.re-wrenches.org</a><br>
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