1.It is suitable for automatic level, pressure control and protection of single-phase submersible pump and pipeline pump with 0.37-2.2KW starting directly;
2.Auto/Manual control;
3.With four working modes: float switch, liquid level probe, mechanical pressure control and electric contact pressure gauge, which are applicable to most working conditions;
4.With under/over-voltage protection function;
5.With Over-current protection function;
6.With short circuit protection function;
7.Built-in stating capacitor;
8.Optional air switch protector;
9.Current setting can be set automatically with one key and manually input setting;
10.Pump dry-running protection time can be adjusted(10 seconds,3 minutes,5 minutes),which suitable for different pumps and working conditions;
11.Pump dry-running current can be adjusted(70%、80%、85% of the rated current）;
12.Dry-running protection with sensor free;
13.LCD showing the working voltage, current and pressure value;
14. LCD displays fault information and gives sound and light alarm;
15.Can be configured according to user requirements.
