Single Pump Control Panel (L521)

• Task: Program
• Structure: Closed-Loop
• Mathematical Model: Linear
• Signal: Continuous
• Function: Automatic Control
• Certification: CE
• Model NO.: L521
• Protection Grade: IP54
• Start Type: Dol
• Rated Input Voltage: AC380V
• Rated Output Power Range: 0.75-4kw /5.5-11kw /15kw
• Ampere Range: 0-18A /18-25A /25-32A
• Transport Package: Paper Carton
• Specification: CE
• Trademark: Leading science technology
• Origin: China
• HS Code: 90328990
• Production Capacity: 5000 PCS / Year

Product Description

Intelligent pump control Model K8 is applied to protect and control of a single phase pump by measuring the actual motor power(watts), especially for borehole submersible pump.
 

Model	L521
Main technical data
.Start type	Direct on line
. Qty of controlled pump	Single pump
. Rated input voltage:	AC220V-240V Single phase 50HZ/ 60HZ
. Rated output power:	0.37kw-2.2kw (0.5hp-3hp) 3-4kw (4-5.5hp)
Protection function	Over load protection Pump stalled protection Dry run protection with sensor free 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 Presenting one dry contact point (BA  port) Present RS485 port Present user remote monitor LCD screen locked function under Auto state Push button calibration Reserved space for installing two capacitors
Main installation data
Working temperature Working humidity Degree of protection Install position Unit dimension (L x W x H)	-25ºC-- +55ºC 20%--90%RH, no drips concreted IP54

Main features:
Over load protection
Under load (Dry Runing ) protection
Over voltage protection Under voltage protection
Rapid cycle protection Pump motor stalled protection
Transient surge protection Auto / Manual switch
Prompt for uncompleted parameter calibrating
LCD displaying pump running information
Adjustable automatic restart time push button calibration
Pump accumulative running time displaying
Pump last five fault record displaying
Computer main board & module for industrial & civil pump
Applied for water supply by float switch or pressure switch
RS485 communication interface

Main specifications:
Rated input voltage: AC220V-AC240V / single phase
Rated frequence: 50Hz/60Hz
Rated output power of pump motor: 0.37-2.2KW(0.5HP-3HP)