Model of K931



Applicaion :
Protection and control of single pump,three phase
 
Main features :

Built in function switch:
*Applied for water supply by liquid level control or pressure control or pressure control
*Applied for drainage by liquid level control
*Computer main board and module for industrial & civil pump
*Auto manual switch                   Push botton calibration
*Pump stalled protection            Transient surge protection
*Over Voltage protection             Under voltage protection
*Open phase protection             Over current   protection
*Prompt for uncompleted parameter calibration
*Dry running protection without installing float switch or liquid probe in the well
*Pump accumulative running  time display
*Pump last five fault record displaying
*RS485 communication interface
*LCD displays pump running information
*Rapid cycle protection
*Pump shaft rust protection 
*Pump mechanical seal leakage protection 
*Pump motor winding over temperature protection 
*Three phase unbalance protection 
*Phase reversal protection 

Main Specifications:

Rated input voltage : AC 380V / Three phase
Rated frequence :50Hz / 60Hz
Rated output power of pump motor :K931:0.75-4KW(1hp-5.5hp)
                                                             5.5-11KW(7.5hp-15hp)
                                                            15KW(20hp)