This series of flameproof motors is the basic series of fully enclosed,strong refrigeration,squirrel-cage,flameproof variable frequency speed regulating three-phase asynchronous motors developed by our company on the basis of referring to the unified design of the industry,which can realize stepless speed regulating within the range of 100~3550 RPM and wide range of speed regulating.Power rating ,installation dimensions in conformity with international electrotechnical commission (IEC) standards,explosion proof performence in accordance with GB3836.1"explosive environment-part 1: general requirements for equipment" and GB3836.2"explosive environment -part 2:equipment protected by a flameproof enclosure"d''.It is suitable for fan,pump,conveying line automation equipment and machine tools (such as nc machine tools,machining centers) in metallurgy,chemical industry,textile,pharmacy,printing and other industries.