I would like take this opportunity to introduce ourself as the professional manufacturer of pump controller/cabinet and Auto Pressure Controller and Pressure Switch etc in China, our controller or cabinet can be widely applied to control and protection of stainless steel pump, submersible pump for deep well, pipeline pump, centrifugal pump etc in industry and civil area. Our protection functions include: dry running, over voltage, under voltage, over current, open phase etc. Standard controller includes 1/3 phase, AC200-440v, 50/60HZ, 1hp-20hp and more, control logic includes liquid level control, pressure control etc, our pump controller can be widely used in School, Family, Plants etc.