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 Universal Single Pump Control Panel L521, Water Pump Motor Protector, Perfect Performance Electrical Pump Control Cabinet and so on.

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Universal Single Pump Control Panel L521

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Min. Order: 50 Pieces
Production Capacity: 5000PCS/Year
Transport Package: Paper Carton
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.: L521
Condition: New
Customized: Non-Customized
Material: Plastic
Degree of Protection: IP54
Size: 30.2*24*12
Weight: 2.48kgs
Trademark: Leading Science & Technology
Specification: CE
Origin: China
HS Code: 90328990

Product Description


Universal Single Pump Control Panel L521
Universal Single Pump Control Panel L521
Application: Control & Protect single phase pump, DOL
Single Pump Control Panel L521

Model L521 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 deepwell.


L521


Main Spec:
Rated Input Voltage: AC 220V/50HZ, Single Phase
Rated Output Power: 0.37-2.2KW/3-4KW

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; Over Current; Pump Shaft Rust; Rapid Cycle etc.
-Grade of Protection IP 54
-Visual & Audio alarm for fault prompt

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