three phase sbw power stabilizer Model: SBW-20KVA/30KVA/100KVA/150KVA Input Voltage ... 3%. three phase sbw power stabilizerfull-automatic compensating power voltage stabilizer ·Large capacity, high efficiency, no waveform distortion, stable ... applied to large type electromechanical equipment, metal processing equipment , production line , construction device , elevator , medical equipment, equipment of ...