<div dir="ltr">Hi Mac,<div><br></div><div>Enphase's Power Control System (PCS) based limiting lives inside the IQ gateway, not the system controller. So you can still implement this on a standard grid tie system without the System Controller. Every system should have a Gateway.</div><div><br></div><div>Cheers,</div><div>Dave</div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Thu, Apr 17, 2025 at 8:56 AM Mac Lewis via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>Good Morning,<br clear="all"></div><div><br></div><div>Can Enphase implement busbar protection <u>without </u>an IQ system controller in order to keep from downsizing a main breaker?  </div><div><br></div><div>Thanks in advance!</div><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div><br></div><div><font color="#305A78" face="'times new roman', serif"><br></font></div><div><br></div>Mac Lewis<br><br><span style="font-family:"Times New Roman";font-size:medium;color:rgb(255,153,0)"><b><font face="Arial, Helvetica, sans-serif" size="3"><p align="left"><font color="#000000" face="Verdana, Arial, Helvetica, sans-serif"><span style="font-size:small"><span style="font-family:arial;font-weight:normal;color:rgb(48,90,120)"><font face="'times new roman', serif">"Yo solo sé que no sé nada." </font><span style="font-weight:700;color:rgb(104,104,104)"><font face="'times new roman', serif">-Sócrates</font></span></span></span></font></p></font></b></span></div></div>
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