[RE-wrenches] Little Rosie Breaker Box
Sue Stankevitz
Sue at midnitesolar.com
Mon Oct 13 07:13:35 PDT 2025
The MNLR4548RE(aka Little Rosie, Renewable Energy) is available and listed however we have not done a product launch since we are waiting on the breaker boxes to arrive. The sheet metal is due in this week. Expect an announcement shortly.
Sue Stankevitz
MidNite Solar, Inc.<https://www.midnitesolar.com/index.php>
(360) 403-7207 (XT122)
[cid:image001.gif at 01DC3C2A.087EC150]
From: RE-wrenches <re-wrenches-bounces at lists.re-wrenches.org> On Behalf Of Kent via RE-wrenches
Sent: Sunday, October 12, 2025 12:54 PM
To: re-wrenches at lists.re-wrenches.org
Cc: Kent <kent at coveoregon.com>
Subject: Re: [RE-wrenches] Little Rosie Breaker Box
Ray,
The mobile version of the Little Rosie is listed to UL489 and UL1741 so it can be used in residential applications as well as mobile applications. The neutral bond switching makes particular sense for using the Little Rosie with a portable generator, which is appropriate for a small inverter.
Kent Osterberg
Blue Mountain Solar
On 10/11/2025 12:12 PM, Ray Walters via RE-wrenches 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><mailto: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<mailto: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<mailto: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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