Protection against high voltage low voltage dry run. Pump controller protected against reverse polarity, over load & energy temp. Suitable for submersible pumps, surface pump, swimming pool pump. Pump run throught day i.e. 6 am to 6 pm, no tension of load shading. Not dependent on MSEB electricity. Pump controller with MPPT. (Max. power point tracker) Energy efficient solar PV modules with span of 25 years