What voltage LG battery? Midnight has large (100, 175, 250 A) DC shunt
trip breakers that are 125 v rated. They also have 15 and 20 A 600 V
rated remote trip breakers.
Ray Walters
Remote Solar
303 505-8760
On 8/13/20 1:06 PM, Kirk Herander, VT Solar, LLC wrote:
You would need a shunt trip rated @600vdc , 25 amps I'm guessing. A DC
rated contactor might be better, but where to find either? And what
control voltage will the ST or contactor use? I assume its grid-tie if
an AHJ is involved.
The LG RESU would also require both pos and neg be switched off
(ungrounded neg) for code compliance. You are probably best off
running the battery leads outside to a 600vdc dp safety switch. And
then back it's only 10 ga, wire
back and forth.
*Kirk Herander / **kirkh@vermont.solar <mailto:kirkh@vermont.solar>*
*Owner|Principal, VT Solar, LLC*
*/Celebrating our 29^th Anniversary 1991-2020/*
*www.vermont.solar*
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dba Vermont Solar Engineering
802.863.1202
On 8/13/2020 2:08:33 PM, Jerry Shafer <jerrysgarag...@gmail.com> wrote:
Wrenches
Very interesting, l have a JHA that is requiring a shunt trip for the
LG battery, any ideas here
Jerry
On Thu, Aug 13, 2020, 11:01 AM Kirk Herander, VT Solar, LLC
<vtso...@icloud.com <mailto:vtso...@icloud.com>> wrote:
Hello,
Any of you ever use a 120vac-enabled shunt trip breaker on the
inverter output at the main load panel, and have it controlled by
a small AC disconnect switch outside?
I say offgrid because I doubt any utility would grid-tie approve
as an outdoor disco, it since it does not visibly open the
inverter output power wires.
But it wound save in round-trip inverter wiring outside and back
in to the load center, and perhaps a big AC outdoor disco in
larger systems.
*Kirk Herander / **kirkh@vermont.solar <mailto:kirkh@vermont.solar>*
*Owner|Principal, VT Solar, LLC*
*/Celebrating our 29^th Anniversary 1991-2020/*
*www.vermont.solar*
<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>
dba Vermont Solar Engineering
802.863.1202
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