... /C&U,Shaft with Rotor:45#,AIS304,220v/50hz110v/60hz. submersible pump:Two –pole induction motor (n=2850r.p.m)Insulation class ... BProtection IP45Material:Motor casing:AluminumImpeller: Brass or aluminum or plastic.Motor coil:copper/ aluminumCertificate:CE,GS,EMS,CCC,ISO9001,ISO2000Customer ... -100.550.550.752205028501010940QDX1.5-32-0.750.751.002205028503215925 submersible pump