1.It is applicable for automatic level, pressure control and protection of three-phase and pipeline pump etc. started directly by 0.75-7.5KW;
2.Auto/Manual control;
3.Four working modes: with liquid sensor; with float switch; with electric contact pressure gauge and with mechanical pressure switch, suit for various working conditions;
4.Under/over voltage protection;
5.Over current protection;
6.Short circuit protection;
7.Open phase protection;
8.Dry-running protection with sensor free;
9.LCD screen displays voltage, current value;
10.LCD displays fault information and alarm;
11.It can be configured according to user's requirements.
