Gold Member Since 2012
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Hunan Leading Science & Technology Development Co., Ltd.

Pump Control Panel, Control Box, Water Pump Conyrol Box manufacturer / supplier in China, offering Smart Three Phase Plastic Pump Control Box L531, Automatic Pump Flow Pressure Controller, Intelligent Single Phase Pump Starter and so on.

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Supplier Homepage Product Single phase pump controller Smart Three Phase Plastic Pump Control Box L531

Smart Three Phase Plastic Pump Control Box L531

Purchase Qty.:
(Pieces)
50-499 500+
FOB Unit Price: US $78 US $72
Purchase Qty. (Pieces) FOB Unit Price
50-499 US $78
500+ US $72
Get Latest Price
Port: Shanghai, China
Production Capacity: 5000PCS/Year
Payment Terms: T/T

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Basic Info
  • Model NO.: L531
  • Structure: Closed-Loop
  • Signal: Continuous
  • Certification: CE
  • Customized: Non-Customized
  • Protection Grade: IP54
  • Weight: 2.3kgs
  • Transport Package: Paper Carton
  • Origin: China
  • Task: Program
  • Mathematical Model: Linear
  • Function: Automatic Control
  • Condition: New
  • Material: Plastic
  • Size: 30.2*24*12
  • Trademark: Leading Science & Technology
  • Specification: CE
  • HS Code: 90328990
Product Description

Single pump control panel L 531
Application: Control & protect three phase pump, DOL

Model L531 is useful in all cases we need to control and protect single pump managing its turn-on and turn-off by different electric installations.
Our special design makes it a very reliable and sensitive protection against pump dry running without installation of any probe/sensor in the deep well.
ModelL531
Main technical data 
.Start typeDirect on line
. Qty of controlled pumpSingle 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
Open phase 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 featuresPump 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)
-25ºC-- +55ºC
20%--90%RH, no drips concreted
IP54
Wall mounting
310×220×120mm
 
Main Spec:
Rated Input Voltage: AC 380V/50HZ, Three Phase
Rated Output Power: 0.75KW-4KW / 5.5KW-11KW / 15KW

Main Features:
-Built in function switch:
Applied for water supply by liquid level control or booster
Applied for drainage by liquid level control

-Auto/Manual switch
-Starts and stops the pump in accordance with the different liquid level or pressure setting.
-Push Button Calibration
-Automatically stop the pump in the case of water shortage, protecting it from drying running without installing the float switch or liquid probe in the well
-Pump accumulative running time displaying
-Pump last five fault record displaying
-LCD displays pump running information
-Protect the pump against Over /Under Voltage; Open Phase; Over Current; Pump Shaft Rust; Rapid Cycle etc.
-Grade of Protection IP 54
-Visual & Audio alarm for fault prompt
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