I would be interested in hearing from Delta-Plus users who have put a UPS on their systems. Particularly What is the KVA rating of their units? Have they used the three phase 220-neutral or the one phase? What brand and how much? ----------------------------------------- Peter K. Swart Professor RSMAS 4600 Rickenbacker Causeway, Miami FL 33149 305 361 4103 (office) 305 361 4912 (lab) 305 361 4632 (FAX) Stable Isotope Laboratory http://mgg.rsmas.miami.edu/groups/sil/index.htm Comparative Sedimentology Laboratory http://mgg.rsmas.miami.edu/groups/csl/index.htm ----------------------------------------- [log in to unmask] -----------------------------------------