Solid shape and three-phases Efficiency:better than 90% Relative Humidity: Less Than 95% SVC Three phase automatic voltage stabilizer is the combination ... 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:Three-Phases 280-430VOutput Voltage:Three-Phases 380V±3%Phase:Three-PhasesFrequency:50/60HzResponse Time: Within 1 sec.against 10 ...