Feature: The series product is newly designed by us with one complete fresh and attractive perfect panel style, with a servo-motor type high accuracy household voltage stabilizer, the low power consumption, reliable work, high accuracy of stabilization, and good for use in regions where the net voltage is much fluctuating. Application: Computer, Test equipment, Lighting system, Communication system, Medical equipment, Industrial automatic equipment, Stereo sound equipment and Home or office appliance etc. Specification: Phase No.: Three phase four system Input voltage: 280~430VAC/3Phase Output voltage: 380V/3Phase Accuracy of voltage: +/-2.5% Frequency: 50Hz/60Hz Efficiency: ﹥90%;90% Response time: <1.5s against 10% input voltage deviationtion Ambient Temperature: -10C~+40C Insulation resistance: ﹥2MΩ;2MΩ Waveform distortion: Non addtional waveform distortion Protection function: Over voltage, over current, overloading and delay etc. Remarks: Custom-made specifications are acceptable.