... power,wind power,diesel generator 2.30A (Max 60A) out 3.current displ auto change over switch funtion1.Change over switch ... backup power supply, to ensure the stability of electricity supply. 3.Mainly used in Supermarket, hospitals, shopping malls, banks, chemical industry ... .Input voltage: AC70V to AC 300V5.Input resource: 2 way,3 way or 4 way(optional)6.Rated current:30A7.Working ...