[RE-wrenches] shunt trip breaker with outdoor disconnect offgrid

[Ray]

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 at vermont.solar <mailto:kirkh at 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
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>> On 8/13/2020 2:08:33 PM, Jerry Shafer <jerrysgarage01 at 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 
>> <vtsolar at icloud.com <mailto:vtsolar at 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 at vermont.solar <mailto:kirkh at 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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