This series of Automatic Transfer Switching Equipment(ATSE) is suitable for the automatic transfer between two power sources in emergency power supply systems with AC rated working voltage of Ac400V and below, rated frequency of 50Hz, and rated current ranging from 16A to 125A to ensures the continuous, safe, and reliable operation of important loads (such as fire protection loads). lt is widely used in important places where power outages are not allowed, such as hospitals, shopping malls, banks, chemical plants, high -rise buildings, and fire protection facilities.This product complies with"GB/T14048.11-2024 Low-voltage Switchgear and Control gear-Part6-1:Switchgear for Multiple functions","GB 50045-1995 Code for Fire Protection Design of Tall Buildings"(2005 revised edition),"GB 5006-2014 Code for Fire Protection Desian of Buildings","G8 51309-2018 Standard for Fire Emergency Lighting and Evacuation indication Systems","GB 17945-2010 Fire Emergency Lighting and Evacuation Indication Systems", "GB 51348-2019 Standard for Electrical Design of civil Buildings", and others.