[RE-wrenches] Outback MX60 Replacement

[Jason Szumlanski]

Hi all,

I have a client that wants to replace a PV array that is aging and
hurricane damaged. It's a rather old array of unknown rating connected to a
MX60 via a Flexware 500 DC enclosure (48V).

I'm planning to install eight REC 450 Alpha Pure RX in series. I'm going to
need a 600 volt charge controller. I'm considering a Midnite Hawk's Bay
unless someone has a better idea.

The customer sent me this crude image. I can see the two inverter breakers
on the right. I am wondering what the two breakers on the left are. I'm
thinking one of these is an 80 amp breaker for the output of the MX60. The
other one is probably a PV input breaker of unknown rating. I would need to
change these to accommodate the new charge controller. The Midnite Hawk's
Bay 90 requires a 125A output breaker. Does anyone know if there is an
Outback breaker of this physical size and 125A rating to plug into this DC
FlexWare enclosure? For the PV input, I should be able to get whatever
breaker is required for this single string of PV.

I'm all ears if there is an easier way to go about this with approximately
3,600W of new PV.

Thanks in advance!

Jason Szumlanski
Florida Solar Design Group
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