... Less Than 95% SVC Three phase automatic voltage stabilizer is the combination of SVC high function ... to indicate three prases separately,and a shift switch & voltage meter to shift and survey each phase ... .Model(KVA):1,5,3,4.5,6,9,15,20,30,50,60Input Voltage ... Time: Within 1 sec.against 10% input voltage deviationEfficiency:Better than 90%Ambient Temperature:-5° ...