Intelligent Water Pump Controller (L531)

• Task: Program
• Structure: Closed-Loop
• Mathematical Model: Linear
• Signal: Continuous
• Function: Automatic Control
• Certification: CE
• Model NO.: L531
• Phase: Three Phase
• Frequency: 50Hz
• Start Type: Dol
• Box Size: 43*32*18cm
• Carton Box: 69*58*46cm
• PCS/CTN: 6PCS
• Transport Package: Paper Carton
• Specification: CE
• Trademark: Leading science technology
• Origin: China
• HS Code: 90328990
• Production Capacity: 5000 PCS / Year

Product Description

Pump control panel Model K931 is applied to protect and control of single pump, three phase.

Model	L531
Main technical data
.Start type	Direct on line
. Qty of controlled pump	Single pump
. Rated input voltage:	AC380V Three phase 50HZ/ 60HZ
. Rated output power:	0. 75kw-4kw (1 hp-5. 5hp) 5. 5kw-11kw (7.5hp-15hp) 15kw(20hp)
Protection function	Over load protection Pump stalled protection Dry run protection Under voltage protection Over voltage protection Repeat start protection
Application& Control characteristic	Control and protect universal pump Using water level sensor ,float switch or pressure switch to control pump start and stop Applied for water supply by liquid level control through float switch or liquid probe Applied for water supply by pressure control through pressure switch and pressure tank Applied for drainage by liquid level control through float switch or liquid probe
Other features	Pump last five faults record displaying Pump accumulative running time displaying Pump shaft anti-rust LCD screen locked function under Auto state Push button calibration
Main installation data
Working temperature Working humidity Degree of protection Install position Unit dimension (L x W x H)	-225ºC-- +55ºC 20%--90%RH, no drips concreted IP54 Wall mounting 310×220×120mm

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 button 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
*Pump accumulative running time display
*Pump last five fault record displaying
*RS485 communication interface
*LCD displays pump running information
*IP54 water proof casing

Main Specifications:
Rated input voltage: AC 380V / Three phase
Rated frequence: 50Hz / 60Hz
Rated output power of pump motor:
L531: 0.75-4KW(1HP-5.5HP)
5.5-11kw(7.5HP-15HP)
15kw(20HP)