... special for small size:0.5HP~1.5HP,single phase 220V,intelligent constant pressure control,LCD display Product Brief:B602 series ... .B602 series mini-booster pump controllerPower Range:Single phase 220V input,3 phase 220V output: 0.5HP-1.5HP(0.37KW-1.1KW ... for small pump size:0.5HP~1.5HP,single phase 220V,intelligent constant pressure control..LCD display.Miniature and able to ...