1.It is applicable for automatic level, pressure control and protection of three-phase deep well pump and pipeline pump etc. started directly by 0.75-15KW;
2.Auto/Manual control;
3. Five working modes: with pressure sensor; with float switch; with liquid level sensor; with mechanical pressure switch and with electric contact pressure gauge, suitable for various working condition;
4.Under/over voltage protection;
5.Over current protection;
6.Short circuit protection;
7.Open-phase protection;
8.Built-in air breaker protector;
9.Current one key set by automatically or manually;
10.Dry-running protect acting time adjustable(10 seconds, 3mins, 5mins),suitable for various pump and working conditions;
11.Dry-running current value adjustable(70%,80%,85% of rated current);
12.Dry-running protection with sensor free;
13.LCD screen displays voltage, current and pressure value;
14.LCD displays fault information and alarm;
15.It can be configured according to user's requirements.
