LORENTZ PU1800 HRE-14H-3 ni pampu ya kisima ya sola ya kuzamishwa yenye teknolojia ya helical rotor kwa visima vya inchi 4. Inatumia motor ya DC isiyo na brashi yenye ufanisi mkubwa na kidhibiti cha PS2-1800. Hutoa hadi takriban mita 120 za pressure na mtiririko wa hadi 2.7 m3/h, ikifaa umwagiliaji, mifugo na maji ya nyumbani.
LORENTZ PU1800 HRE-14H-3 is a solar submersible borehole pump system for 4-inch wells. It uses a high-efficiency helical rotor pump end with a brushless DC motor controlled by the PS2-1800 controller. It delivers up to 120 m head and around 2.7 m3/h flow rate, suitable for irrigation, livestock watering, and domestic water supply. The system includes dry-run, overload, and voltage protection for safe operation.