Main Feature:
Built in function switch
Applied for water supply by liquid level control or pressure control
Applied for drainage by liquid level control
Computer main board and module for industrial & civil pump

Auto / Manual switch Push Button Calibration
Pump Stalled Protection Transient Surge Protection
Over Voltage Potection Under Voltage protection
Open Phase Protection Over Current protection

Prompt for uncompleted Parameter calibrating
Dry runnig protection without installing float switch or liquid probe in the well
Digital Voltmeter & Ampere Meter Real -Time display
Pump Accumulative Running Time Dispalying
Pump Last Five Fault Record Displaying
RS485 communication interface
LCD displays pump running information
Rapid cycle protection
Pump mechanical seal leakage protection
Pump motor winding over temperature protection
Three phase unbalance protection
Phase Reversal Protection
IP54 water proof casing

Rated Input Voltage: AC380V / Three Phase
Rated Frequency: 50Hz/ 60Hz
Rated output power of pump motor:
K531: 0.75-4KW(7.5HP-15HP)
5.5-11KW(7.5HP-15HP)
15KW (20HP)