1.SBW stabilizer/regulator 2.Input 380V+/-20% or 380V+/-20% 3.Output 380V+/-3% 4.MOQ: 10pcs 5.For large power regulate. DBW single phase large power voltage regulator SBW three phase huge power voltage stabilizer ApplicationWidely used in the fields of post office,store,elevator,hospital,school,publishing house and stock exchange where normal voltage is in need,and also can be used in the ...