Features:
1) Mainly applied to the 2 power supply systems with rated AC 50Hz, 400V for
realizing reliable switching between 2 power supplies. With automatic
transformation between the normal power and spare power in order to provide
reliability and safety
2) In compliance with the standard of GB14048.11-202, as well as"Skyscraper Civil
Construction Fireproofing Criterion", "Applied Illumination Design Manual" and "Civil
Construction Electric Design Criterion"
3) Mainly used for the important buildings that need consistent and continuous power
supply, such as hospital, supermarket, national defense, bank, chemical industry,
metallurgy plant and skyscraper