Model RZ-3 Electrical Engine: 2 HP; 2800 RPM; 220/380 V; 50 Hz; Protection IP 55; Metal lined 100%. Suction Lift: 1 1/2" Ø Pumping: 1" Ø Installation: RZ-3-E Under fluid level. RZ-3-R Over fluid level. (look pump despiece) (look installation planes) (See the table of chemical resistances)