Re: [RE-wrenches] Enphase String Breaker Heating Up

2022-08-04 Thread Darryl Thayer via RE-wrenches
Hello, breakers are thermal-magnetic the current heats the breaker; if the current is high enough for long enough, a solder pot inside melts; this current and excessive heat causes other breakers to open Are you sure the string current is less than 80% of the breaker rating and the wire

Re: [RE-wrenches] Enphase String Breaker Heating Up

2022-08-04 Thread Jay via RE-wrenches
Seems to me this has come up before. With bad breakers as probable cause. I don’t know if the heat has caused buss damage Might go for CH or QO breakers instead BR style. Jay > On Aug 4, 2022, at 8:08 PM, Jerry Shafer via RE-wrenches > wrote: > >  > Jason > Is the installation designed

Re: [RE-wrenches] Enphase String Breaker Heating Up

2022-08-04 Thread Jerry Shafer via RE-wrenches
Jason Is the installation designed for 208 as you have greater limitations then 240, so now replace the buss and all the breakers, after that run currents tests and see what you have. I had a 3 phase that the tin cam off the buss and looked like a plazma cutter due to the exposed aluminum Fun