Hi: Short one. I am looking for a low voltage DC input, ideally 24VDC nominal grid tie inverter with 220VAC 60HZ out in the 1 to 3KW range. The ones I can find, Sunny Boy, Xantrax and Outback seem to be 50HZ at the 220VAC out level. They are all the inverter/charger variety, the charger part is of no use to me but I am sure it can be easily disabled on all the models. Has anybody found any other fitting the above specs???