Z4 Series D.C. Motor(JB6314-92) It is the renew product in China. It is featured by less moment of inertia and better dynamic performance. It can also bear higher load change. It is suitable for the control system featured by smooth speed-regulating, high efficiency and sensitive reaction. Power range:1.5-450kW Rated speed:400-3000r/min Z2,Z3 Series D.C. Electric Machine (JB1104-68,JB2947-81) It is general purpose D.C. generator and motor. It possesses many mounting types and is widely used in many situations. Power range:0.4-200kW Rated speed:600-3000r/min