Hunan, China
Business Type:
Manufacturer/Factory, Trading Company, Other
OEM/ODM Service
Sample Available
MEI Awards
Distributorship Cooperation

Pump Control Panel, Control Box, Water Pump Conyrol Box manufacturer / supplier in China, offering Intelligent Pump Control Box Control Two Pumps L522, 0.5HP-5.5HP Single Phase Duplex Boost Pump Control Box L922-B, 0.37kw-4kw Single Phase Double Blower Pump Control System L922-B and so on.

Gold Member Since 2012
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Supplier Homepage Products Single phase pump controller Intelligent Pump Control Box Control Two Pumps L522

Intelligent Pump Control Box Control Two Pumps L522

Get Latest Price
Min. Order / Reference FOB Price
50 Pieces US $105/ Piece
Port: Shanghai, China
Production Capacity: 5000PCS/Year
Payment Terms: T/T
Task: Program
Structure: Closed-Loop
Mathematical Model: Linear
Signal: Continuous
Function: Automatic Control
Certification: CE

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Basic Info

Model NO.: L522
Condition: New
Customized: Non-Customized
Material: Plastic
Degree of Protection: IP54
Size: 30.2*24*12
Weight: 3.15kgs
Rated Output Power: 0.75W-2.2kw/3kw-4kw
Trademark: Leading Science & Technology
Transport Package: Paper Carton
Specification: CE
Origin: China
HS Code: 90328990

Product Description

Duplex Pump Control Panel L522

Application: Control&Protect Single phase Pump, DOL

Model L 522 is useful in all cases we need to control and protect duplex 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.

Main Spec:
Rated Inupt Voltage: AC 220V/50HZ, Three Phase
Rated Output Power: 0.75w-2.2kw/3kw-4kw
Built in Function Switch:
Applied For Water Supply By Liquid Level Control or Booster
Applied For Drainage By Liquid Level Control

Main features:
-Auto/Manual Switch
-Double pumps control
Main Pump/Standby Pump Automatically Alternate
Main Pumps/Standby Pump Automatically Switch Against Malfunctions
Standby Pump Participate Running if Required.
-Starts and stops the pump in accordance with the different liquid level or pressure setting.
-Push Button Calibration
-Automaticlly 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.
-Grade of Protection IP 54

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