... -phase/three-phase high-capacity automatic compensating power voltage stabi Fetures:DBW(SBW) single-phase/three-phase high-capacity automatic compensating power voltage stabilizer are designed ... stabilizer, this series is high capacity,fittable to all kinds of load Capacity:50kVA,100kVA,150kVA,200kVA,250kVA,300kVA,400kVA,500kVA Automatic Voltage Regulator