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 Duplex Water Pump Control Box with IP 54, Single Phase, Perfect Performance Electrical Pump Control Cabinet, Automatic Pump Flow Pressure Controller and so on.

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Supplier Homepage Product Single phase pump controller Duplex Water Pump Control Box with IP 54, Single Phase

Duplex Water Pump Control Box with IP 54, Single Phase

FOB Price: Get Latest Price
Min. Order: 50 Pieces
Port: Shanghai, China
Production Capacity: 5000PCS/Year
Payment Terms: T/T

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Basic Info
  • Model NO.: L522
  • Structure: Closed-Loop
  • Signal: Continuous
  • Certification: CE
  • Customized: Non-Customized
  • Degree of Protection: IP54
  • Weight: 3.15kgs
  • Trip Response Time of Over Load: 5sec-5min
  • Trip Response Time of Short Circuit: 0.1sec
  • Recovery Time of Dry Run: 30min
  • Trademark: Leading Science & Technology
  • Specification: CE
  • HS Code: 90328990
  • Task: Program
  • Mathematical Model: Linear
  • Function: Automatic Control
  • Condition: New
  • Material: Plastic
  • Size: 30.2*24*12
  • Control Method: Manual/Auto
  • Trip Response Time of Open Phase: 2sec
  • Trip Response Time of Dry Running: 5sec
  • Liquid Level Transfer Distance: 1200m
  • Transport Package: Paper Carton
  • Origin: China
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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