Hello, The overcurrent device is to protect the conductors.  you can put
any size wire, but you must protect with the overcurrent device.  REmember
in solar equipment; you may have more than one supply source.  The DC best
example is solar modules connected in parallel,      on

On Fri, Apr 15, 2022 at 8:26 PM Jerry Shafer via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> You must meet all expected source output potentials within the design and
> operating limits, as long as the distribution panel and connected wiring is
> rated for the max output of the protected source then you are good. A 200
> ATS connected to a 10 kW genny does not require 2/0 as it will never meet
> that rating. Just remember its whatever the max output can be plus your
> margin.
>
> On Fri, Apr 15, 2022, 5:44 PM Chris Sparadeo via RE-wrenches <
> re-wrenches@lists.re-wrenches.org> wrote:
>
>> Hi Jason,
>>
>> You bring up a valid point….in an off-grid scenario with the 15k do you
>> size the conductors to the continuous capacity, surge capacity or the OCPD
>> of the unit?
>>
>> -Chris
>>
>> On Fri, Apr 15, 2022 at 4:01 PM Jason Szumlanski via RE-wrenches <
>> re-wrenches@lists.re-wrenches.org> wrote:
>>
>>> P.S. ICYMI, this inverter has a massive combined AC coupled and DC
>>> coupled capacity. They allow 15kWdc plus 19.2kWac!!! Impressive.
>>>
>>>
>>>
>>>
>>>
>>>
>>> On Fri, Apr 15, 2022 at 10:59 AM Jason Szumlanski <
>>> ja...@floridasolardesigngroup.com> wrote:
>>>
>>>> I'm not following the wiring diagrams for this new inverter. It has
>>>> 200A pass-through capability with an integrated 200A load disconnect. But
>>>> then it says the wire gauge for the load out wiring can be #4 to 2/0.
>>>>
>>>> In an off-grid scenario where there is no generator, the max continuous
>>>> output is 62.5A, so I assume 80A circuit protection could be used with 80A
>>>> rated wire (#4), but how is that circuit protection implemented if the 200A
>>>> breaker is integrated? Do you have to run a short piece of 2/0 to an
>>>> external 80A rated OCPD and then step down to #4?
>>>>
>>>> Jason Szumlanski
>>>>
>>>>
>>>>
>>>>
>>>>
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>> Chris Sparadeo
>>
>>
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