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Feature: 
This series large power voltage stabilizer is an energy-saving new product developed by our company by absorbing the advanced technology of Western Europe. It is provided with two systems of manual/automatic dual control, direct output and stabilizing output with the functions of over/under-voltage protection, delay and error protection etc., it is reliable and suitable for any load. 

Application: 
It is widely used in the place with large electricity demands such as factories, post & communication, schools, hotel etc., acted as whole voltage-stabilization single voltage-stabilizing. 

Specification: 
Phase No.: Three phase four system 
Input voltage: 
Phase voltage 220V+/-20%(176~264VAC), wire voltage 380V+/-20%(304~356VAC) or 
Phase voltage 220V+/-30%(154~286VAC), wire voltage 380V+/-30%(266~494VAC)(Optional) 
Output voltage: Phase voltage 220VAC, wire voltage 380VAC 
Accuracy of voltage: +/-2-5%(adjustable) 
Frequency: 50Hz/60Hz 
Efficiency: >95% 
Response time: <1.5S(against 10% input voltage deviation) 
Ambient Temperature: -10C~+40C 
Insulation resistance: >2MΩ 
Waveform distortion: Non additional waveform distortion 
Protection: 
Over voltage, over current, phase failure, phase sequence, machine fault indication etc. Protection function. 
Over-load capacity: 1min. At the rated current of 2times 
Electricity-resistance strength: Power frequency sinusoidal is 2000VAC without breakdown and flash over when it lasts 1min. 

Remarks: 
Custom-made specifications are acceptable.