Founded in 1953，Shanghai Electrical Apparatus Research Institute (Group) Co．Ltd． (SEARI) is a comprehensive research institute in the field of electrical industry．It consists Of 6 divisions： SEARI Electric Division, SEARI Motor Division, SEARI Marine Division, SEARI Electric Alloy Division, SEARI Automation Division SEARI, Field-bus Division．     Since 1950's，SEARI has undertaken several hundreds of science and technology projects for the government，gained many scientific achievements，and filled several tens of domestic gaps．It has made considerable contributions to the development of China electrical industry．     With the time of accumulation of historical experience and plenty of achievements，SEARI has brought up many excellent talents in generations．It could be titled as base of the galaxy talents in China electrical sector．     SEARI is a technical management center for low voltage electrical apparatus industry，small and medium size electrical machines industry and marine electrical equipment industry．It is responsible for the secretariat of many technical committees and sub-committees of China National Committee of IEC，and also for the secretariats of relative technical committees of China National Standardization Technical Committee，China Electrical Society， the branch Of General Low voltage Electrical Apparatus Of China Electrical Equipment，industry Association，and China Construction Engineering Standardization Technical Committee.     Assuming responsibility for preparing China National Standards and industry Standards，and management of academic and professional activities for the above-mentioned industry sectors，she has made outstanding contributions to the development of China electrical standardization，China electrical equipment industrial accusation，and China Electro technology．     In addition，the National Testing and Inspecting Centers for Low-voltage Electrical Products，small and medium sized electrical motors，and EMC，and Testing Station for marine，electrical equipment as well are subordinated to SEARI．With its powerful technology，and advanced facilities for R&D and testing，SEARI enables to provide its best service to its customers in all circles.     SEARI Electric Division is mainly engaged in R&D of low voltage switchgear and control gear. It has accomplished many important scientific projects for the government，and developed 3 generations of low voltage electrical products in different times．Over 50 years of brilliant course Of R&D，many new products such as DW45 series intelligent air circuit breakers etc．with international advanced technology have occupied main Chinese market in thia area，and have been won over 40 National and Ministry science and technology awards．At beginning of this new century，many new intelligent devices available for communication-capable applications developed by the Electric Division have been found favor by more and more customers．     SEARI hope to cooperate with you to create our new resplendence in electrical technology