Close-coupled centrifugal pumps with open impeller. Bronze version for salt water. B-C: version with pump casing and lantern bracket in bronze (the pumps are supplied fully painted). 2-pole induction motor, 50 Hz (n ≈ 2900 rpm). CM: single-phase 230 V ± 10%, with thermal protector. Capacitor inside the terminal box. Insulation class F. Protection IP 54. Motor suitable for operation with frequency converter from 1,1 kW.