Duplex Water Pump Control Box with IP 54, Single Phase
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- 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
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.
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
-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