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Thread of the year, I think. Jerry:beer:

WOW! A break through! The price of 004a's is going UP.

Thanks Ken, I don't intend to. I wonder how the 60-80% works when the unit is rated at 80% at 15kw at 8000' or whatever elevation. here at sea level it must take quite a load to satisfy it. More that we are likely to require unless a heat pump was involved. Jerry

Ken and sewerzuk, now i'm following you. ken, your example went from 75 to 44 kw. that's comparable to the 15 to 9 kw de-rating on the mep004a. just out of curiosity, if one were willing to accept the de-rating, would it hurt the unit for it to operate in single phase as continuous backup...

Thanks Ken, Store closes by end of year. Hopefully we can meet for coffee or whatever in the winter. Jerry

sewerzuk now i begin to understand your goal (after re-reading your original post) I guess balanced load is key to keep the unit from burning up. Can you run indefinitely on 120 single phase? FROM THAT SINGLE PHASE OPERATION CAN YOU GET 2 LEGS TO FEED A 220/240v BREAKER ON A NORMAL HOUSE...

Peter, Not to call you out.......But as I recall, you use MEP-004a single phase routinely as your backup power and I would love to know how and what amps you get from yours. This is an interesting thread. I turned down a mint 004a at Richmond last year because I was afraid of it. Jerry