This series products have fully-sealed structure, with power grade and installation dimensions conforming to IEC standards completely; such motors are featured by F insulation, S1 working duty IC411 cooling mode and IP55 shell protection grade. With 60HZ frequency, rated voltage of 380VAC or being customized, this series product supports self-starting, variable frequency startup and it can realize switching of power frequency after variable-frequency startup. This series products can fully replace the Y series low-voltage asynchronous motors and be widely applied in the enterprises of petrochemical, mining, textile and others .