[RE-wrenches] Inverter bypass

[John Blittersdorf]

Howie,
   I use the QO612 small breaker box with two double pole breakers and the
QO2DTI toggle.

John Blittersdorf

On Thu, Mar 2, 2023 at 8:11 PM Howie Michaelson via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> Does anyone know of any bypass switch/breaker setup for anything greater
> than 60 amps for 2 poles, other than large DPDT switches which get pricey
> and hard to source especially for 200 amps?
> Howie
>
> On Thu, Mar 2, 2023, 6:23 PM Ray Walters via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
>
>> I probably still have one of the old QO boxes on the shelf, but I never
>> liked them.  Single pole, very tight, and you had to double lug or use a
>> weird split bolt arrangement with exposed copper out past the breaker.
>>
>> I started using these 60A T switches from Northern:
>>
>> https://www.northerntool.com/shop/tools/product_200653609_200653609
>>
>> Midnite makes small 30A and 60A T switches as well:
>>
>>
>> https://www.midnitesolar.com/productPhoto.php?product_ID=416&productCat_ID=29&sortOrder=3&act=p
>>
>> Ray Walters
>> On 3/2/2023 11:57 AM, Sindelar Solar via RE-wrenches wrote:
>>
>> Kris, It was SqD QO403, and it was a 3-pole load center/disconnect, not
>> 4-pole. You may recall that the dual-inverter Trace Power Panels of long
>> ago used two of these, each one serving as an inverter bypass switch to one
>> 120V AC leg.
>>
>> On 3/2/2023 11:46 AM, Kristopher Schmid via RE-wrenches wrote:
>>
>> Hi All,
>>
>> I have a stand alone system that was upgraded from an FX inverter to a
>> Radian WITHOUT  the companion load center.  I would like to add an inverter
>> bypass circuit to operate the house on generator power.  There used to be a
>> 4 slot breaker panel (SqD?) with the rocker switch preventing both breakers
>> from being in the on position simultaneously.  I have not been able to find
>> it on the interweb.  Anyone know of something out there that would meet my
>> needs?
>>
>> Kris
>>
>>
>> Shine On!
>>
>> Kris Schmid
>> Legacy Solar, LLC
>> 137 West 1st Avenue
>> <https://www.google.com/maps/search/137+West+1st+Avenue+%0D%0A++++++++++++++++++++++++++++++++++++Luck,+WI+54853?entry=gmail&source=g>
>> Luck, WI 54853
>> <https://www.google.com/maps/search/137+West+1st+Avenue+%0D%0A++++++++++++++++++++++++++++++++++++Luck,+WI+54853?entry=gmail&source=g>
>> www.legacysolar.com
>> 715-653-4295
>> NABCEP Certified PV Installation Professional
>> Licensed Wisconsin Master Electrician
>> BSEE
>>
>>
>> --
>>
>> *Allan Sindelar*
>> allan at sindelarsolar.com
>> (No longer) NABCEP Certified PV Installation Professional
>> (Still) New Mexico EE98J Journeyman Electrician
>> (Retired) Founder, Positive Energy, Inc.
>> (Retired) Founder, Sindelar Solar
>> *505 780-2738 cell*
>>
>>
>>
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