[RE-wrenches] Inverter bypass

[Howie Michaelson]

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
> Luck, WI 54853
> 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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