<div dir="ltr">I'm presuming this is a breaker in a load center.<div>Breakers fail, that's not unusual. Breakers for inverters undergo constant load so they will run hot all the time and will be prone to failure.<div><div>It may have always been out of tolerance, most applications never push the breaker close to the limit.<br><div>I would just swap it and move on.</div></div></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, May 8, 2021 at 2:13 PM Kirk Herander, VSE <kirkh@vermont.solar> 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 id="gmail-m_-2770632523895866569__MailbirdStyleContent" style="font-size:12pt;font-family:Arial;color:rgb(0,0,0);text-align:left" dir="ltr">I have a system where the SE10000 inverter fried internally. The 60A AC output breaker tripped several times, as a result of the homeowner resetting over and over until he called me.<div>I replaced the inverter under warranty and all is fine, except on sunny days the breaker will trip at about 40A, close to the max output of the inverter. Reset it outside of peak inverter output and its good. I assume the breaker has weakened from stress of some sort, so I replaced it and time will tell.</div><div>Anyone ever seen a breaker have it's trip point reduced like this?<br><div><br></div><div><p class="MsoNormal" style="font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt"><span style="font-size:10pt"><a name="m_-2770632523895866569__MailAutoSig"><b>Kirk Herander / </b></a><b><a href="mailto:kirkh@vermont.solar" title="Send an email to kirkh@vermont.solar" style="color:blue" target="_blank">kirkh@vermont.solar</a></b><u></u><u></u></span></p><p class="MsoNormal" style="font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt"><span style="font-size:10pt"><b>Owner|Principal, VT Solar, LLC</b><u></u><u></u></span></p><p class="MsoNormal" style="font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt"><span style="font-size:10pt"><b><i>Celebrating our 30<sup>th</sup> Anniversary 1991-2021!!</i></b><u></u><u></u></span></p><p class="MsoNormal" style="font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt"><span style="font-size:10pt"><a href="https://nam02.safelinks.protection.outlook.com/?url=www.vermontsolarnow.com&data=02%7C01%7C%7C9f0330d75a244870112408d685311841%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636842843233477645&sdata=0NjyuKeQbEK6245SNnk8X4XnP9Q%2B%2BqtvcALkdDghvk4%3D&reserved=0" title="Click to open in a new window or tab
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div dir="ltr"><font color="#666666">Chris Mason</font></div><div dir="ltr"><div><span style="font-size:13px"><font color="#666666">Solar systems designer</font></span></div><div><span style="font-size:13px"><font color="#666666">Generac Generators Industrial technician</font></span></div><div><font color="#666666"><br></font></div><div><font color="#666666">Comet Systems Ltd DBA Comet Solar<br>Anguilla Cell 264.235.5670</font></div><div>WhatsApp <span style="color:rgb(102,102,102)">264.235.5670</span></div><div><font color="#666666">Skype: netconcepts</font></div><div><font color="#666666"><a href="http://www.cometenergysystems.com/" target="_blank">www.cometsolar.com</a></font></div></div></div></div>