For conventional pumps FREQUENCY REGULATOR Max 1.1 Kw For single phase pump - Max 6A. 80% ENERGY SAVING With the help of iSAVER+, the speed of the pump can be adjusted for different operations, resulting in a significant reduction in operating costs. 25-35 % SOUNDER. Operation at low rpm is much more pleasant. Not just a frequency converter unit. FOUR TIME PROGRAM SETTING + Backwash function, controls the pump to a higher speed.