Forum Discussion

pianotuna's avatar
pianotuna
Nomad III
Feb 25, 2014

magnum hybrid inverter

Hi all,

The time is coming when I must choose a new inverter.

I'm inclined towards the MSH-M Magnum 3000 watt hybrid.

Am I correct in thinking it will "blend" power from shore and battery when it is boosting?

Or is it merely switching the entire load to the battery bank?

How does it decide? Line voltage drop?

If it doesn't blend then I'm considerably less interested in the it.

MSH-M series

The unit I'm interested in is the MSH3012M, a 12-volt, 3000 watt inverter with 125A charger and 60A pass-through.
  • pianotuna wrote:
    Hi,

    Doesn't it take additional equipment to stack them? And I'd need three really. In fact that would be *perfect*.

    I've not decided on anything.

    Where do you buy them in North America?
    You can get them from here PT. I bought my Morningstar from them, prompt shipping, no issues. I don't know if they ship to Canada though if that is important.

    Outback GFX1312

    To stack units, you need the OutbackMATE (~$230) and the OutbackHUB (~$150 for the 4 port).


    EDIT: See page 24. http://www.altestore.com/mmsolar/Others/GFXSeries_Install_Manual.pdf
  • Hi,

    Doesn't it take additional equipment to stack them? And I'd need three really. In fact that would be *perfect*.

    I've not decided on anything.

    Where do you buy them in North America?

    tad94564 wrote:


    Huh?

    I just checked, two of the GFX1312's with the remote are cheaper than a single msh3012..

    Plus you can use them with 50amp service, instead of a 30amp service.

    But whatever you want.. Sounds like you've already decided on the msh3012.
  • pianotuna wrote:
    Hi tad,

    That is a nice unit--but I want 3000 watts. So I would need at least two, stacked. That would be an "ouch" on the pocket book.


    Huh?

    I just checked, two of the GFX1312's with the remote are cheaper than a single msh3012..

    Plus you can use them with 50amp service, instead of a 30amp service.

    But whatever you want.. Sounds like you've already decided on the msh3012.
  • It's true Pianotuna, I start a 5 horsepower well motor with a Trace 4024 coupled to a Borrowed 6.5NH Onan. Yes I have to use a transformer for the 240 volt motor. The Onan just cannot do it on its own. And the Magnum uses the same philosophy as the old Trace SB's, probably with more bells and whistles now.
  • What I like about it is that for stuff that pushes large amounts of locked rotor amps (like A/Cs) this "hybrid" inverter will be ideal. I could use a 2500-3000 watt generator, maybe even a 2000 watt generator to fire up a 15k BTU A/C where without that inverter, I'd need a pair of 2000 watt models, a Yamaha 3000 with battery "boost", or a 4000 watt model.
  • Hi all,

    Thanks for the replies. Sometimes we read things and want them to be true so badly that we misunderstand.
  • pianotuna wrote:
    Am I correct in thinking it will "blend" power from shore and battery when it is boosting?
    "Load Support parallels the inverter output with incoming AC sources allowing it to run larger loads from smaller generators"

    Sure sounds like it.
  • That is the unit that, without question, I'd have in a motorhome, unless there physically isn't room for it. It is expensive... but it means that an undervoltage in the middle of the night won't fry your A/C.

    I'd highly recommend it, if you can afford it, just because it pretty much guarantees clean power for everything inside.
  • Hi tad,

    That is a nice unit--but I want 3000 watts. So I would need at least two, stacked. That would be an "ouch" on the pocket book.
  • I've got this one:

    Outback Power gfx1312

    And it does do a blending of power. It is really nice to plug into a 15amp outlet and not worry about melting the outlet down..

    You tell it how many amps to pull from the line in, and when you reach that point, it will start to use the batteries to boost. If the power quality falls outside of certain parameters, it will drop the incoming line and then run off batteries until the quality is restored or the batteries become too depleted.

    Nice thing is it's cheap, under $1k; bad thing is it is not UL listed in the US, and you must do a separate bonding relay for neutral to ground.

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