Here's a 100 amp version of the Reliance box.  Cheap, lots of room, easy to wire up, but NEMA 1.

https://www.electricgeneratorsdirect.com/Reliance-Controls-TCA1006D/p1102.html

On 3/2/2023 6:10 PM, Howie Michaelson via RE-wrenches 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 <[email protected]> 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
    
<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 <http://www.legacysolar.com>
    715-653-4295
    NABCEP Certified PV Installation Professional
    Licensed Wisconsin Master Electrician
    BSEE


--
    *Allan Sindelar*
    [email protected] <mailto:[email protected]>

    (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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