... motors install the form as IM3. The electrical machinery adopts the box structure, light, rigidity is good. The stator adopts F ... work system (S1 ) in succession , the specified frequency of the motor is 50Hz, the specified voltage is 10KV. Serial motor ... machinery. If ventilator , compressor , water pump , breaker , cut the lathe and other equipment, suitable for colliery's , mechanical industry ...