We are the professional manufacturer of pump control box in China, our product can be widely applied to control and protection of stainless steel pump, submersible pump for deep well, pipeline pump, centrifugal pump etc in industry and civil area. Our protection functions include: dry running, over voltage, under voltage, over current, open phase etc.
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
*Digital Voltmeter & Ampere meter real time displaying (K531 only)
*Pump accumulative running time display
*Pump last five fault record displaying
*RS485 communication interface
*LCD displays pump running information
*IP 22 water proof casing
Main Specifications:
Rated input voltage: AC 380V / Three phase
Rated frequence: 50Hz / 60Hz
Rated output power of pump motor:
K531: 0.75-4KW(1hp-5.5hp)
5.5-11KW(7.5hp-15hp)
15kw(20hp)
Audited Supplier 
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