Max Configurable Power (Watts) 650 Watts / 1.2kVAOutput Frequency (sync to mains) 50/60 Hz +/‐ 1 Hz Sync tomainsInput frequency 50/60 Hz +/‐ 5 Hz Auto‐sensingInput voltage range for main operations 140 ‐ 300VStandard warranty 2 years repair or replace