... , phase sequence protection Stable quality, complete protection DBW AC automatic stabilizer Advantages : 1, small size, light weight, suitable ... Technical specificationThree phasesSingle phasespecification10KVA~2000KVA1KVA~600KVAinput voltage304v~456v176v~264voutput pre cision±(1~5)% can adjust±(1~5)% can ... components should be timely repair or replacement. SBW full automatic voltage stabilizer