[RE-wrenches] Little Rosie Breaker Box

Sat Oct 11 13:55:50 PDT 2025

Hello Ray. Zonna now has a few of the RE versions in stock. I was thinking
one could get fancy to cover the AC and DC cables by mounting the
inverter on an E-panel in the approved orientation with a significantly
modified 4x4x12 wireway but then it probably wouldn't have
enough ventilation through the wireway to reach the LR's ventilation slots.
Seems like for now either Kent's suggestion is best or perhaps of course
wait for a specific Midnite solution (still unclear what that is of
course). Maybe Logan can clarify if the sheet metal he was speaking about
is for the inverter chassis or an E-panel specifically built for the Little
Rosie?

A retrofit option would be best for me but perhaps they don't see much
market demand for it.

Jay, did you find an actual E-panel for the LR in their documents somewhere?

Nick

On Sat, Oct 11, 2025 at 12:15 PM Ray Walters via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> Maybe I'm missing something, but I just skimmed through the manual, and it
> appears the Little RosieM is meant for mobile applications.  It mentions an
> RE version for off grid, but I can't find that anywhere.  The manual just
> discusses class T fuses, makes no mention of breakers.  It looks like a
> cool inverter with a form factor similar to an old Trace DR, but not really
> seeing the usual matching Midnite BOS components we've come to expect.  My
> guess is they're working on all of that for the RE version, which isn't
> quite ready.
>
> In the meantime, one of their E panel lites could be used.  You'd have
> some exposed DC cable though, which seems to be the "IN" thing these days
> with many of the latest LiPO4 batteries.......:)  Apparently, one man's
> code compliance is another man's unnecessary hangup........Also don't wire
> the neutral through the switched neutral relay in the inverter.
>
> Personally, I'd just wait for the RE version and the accompanying BOS to
> come out.  Maybe a Victron in the meantime?  Used Magnum on Flea Bay?  The
> pickin's are slim for us poor off grid installers these days....
>
> Ray Walters
> Remote Solar
>
>
> On 10/11/2025 9:08 AM, Jeremy Rodriguez via RE-wrenches wrote:
>
> Is the breaker box you mention anywhere on MidNite’s website ?
>
>
> Jeremy Rodriguez
> Solar Installation / Design
> All Solar, Inc.
> 1453 M St.
> Penrose Colorado 81240
>
> Sent from Jeremy's iPhone.
>
> On Oct 10, 2025, at 6:49 AM, William Bryce via RE-wrenches
> <re-wrenches at lists.re-wrenches.org> <re-wrenches at lists.re-wrenches.org>
> wrote:
>
> 
> The Little Rosie has a nice breaker box with plenty of room and options.
> But, the sheet metal is running behind from the US based manufacturer.
> Hopefully it will be available soon.
>
> On Thu, Oct 9, 2025 at 12:53 PM Nick Lucchese via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
>
>> Great, thank you Kent. I didn't realize the AC and DC terminals needed to
>> be on top, I should have read the manual before asking. I can now see how
>> the access door would be blocked if there were also a charge controller
>> mounted on the door. I thought the Plus models were wider than the Lite but
>> it appears my assumption was wrong. Seems it could still work if the
>> controller were mounted off on the side of the chassis but for now I'll try
>> to come up with a better plan. Lots of mice around here so I can see how
>> your point of dropping "things" into the top ventilation slots could really
>> be an issue.
>>
>> Assuming your generator is large enough are you finding that the 60 amp
>> DC charger is working on a similar ratio as the VFX's 45 amp charger?
>>
>> I appreciate your feedback!
>>
>> Nick
>>
>> On Wed, Oct 8, 2025 at 5:53 PM Kent via RE-wrenches <
>> re-wrenches at lists.re-wrenches.org> wrote:
>>
>>> Nick,
>>>
>>> I recently looked into installing a Little Rosie on the door of an
>>> E-panel lite and decided against it. Just not enough room to get the
>>> battery cables connected. I ended up with the Little Rosie mounted
>>> vertically beside an E-panel lite. To tell you the truth I wasn't happy
>>> with the vertical installation of the little Rosie. Per the installation
>>> manual you are only allowed to mount it vertically in one orientation
>>> and that leaves the top of the Little Rosie at risk of dropping things
>>> into it through the ventilation slots.
>>>
>>> Kent Osterberg
>>> Blue Mountain Solar
>>>
>>>
>>> On 10/8/2025 4:18 PM, Nick Lucchese via RE-wrenches wrote:
>>> > Greetings Wrenches,
>>> >
>>> > Has anyone tried updating an Outback E-panel to accommodate a Midnite
>>> > Little Rosie yet? I'm still looking for ways to upgrade my VFX FXR
>>> > systems with 24v inverters without having to buy from the new owners
>>> > at Outback as well as solve battery communications and seems like a
>>> > Little Rosie is quite doable. I'm told I can get a blank door from
>>> > Midnite and appears that there are a few extra inches to spare
>>> > relating to the LR and E-panel length. Beyond that getting the AC and
>>> > DC conductors out of the LR through the E-panel door seems to be the
>>> > only sticking point. Possibly just modifying a 4x4 wireway gutter
>>> > would work.
>>> >
>>> > Thought perhaps one of you has already attempted this! Thanks for your
>>> > time, Nick
>>> >
>>> >
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