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

Level Transmitter, Pump Control Panel, Control Box manufacturer / supplier in China, offering Single Pump Control Panel for Pressure Boosting L921-B, 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.

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Supplier Homepage Products pressure controller Single Pump Control Panel for Pressure Boosting L921-B

Single Pump Control Panel for Pressure Boosting L921-B

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Min. Order: 50 Pieces
Port: Shanghai, China
Production Capacity: 5000PCS/Year
Payment Terms: L/C, 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.: L921-B
Condition: Used
Customized: Non-Customized
Material: Plastic
Grade of Protection: IP54
Size: 30.2*24*12cm
Trademark: Leading Science & Technology
Transport Package: Paper Carton
Specification: CE
Origin: China
HS Code: 90328990

Product Description



MODEL: L921-B 
ApplicationControl & protect booster pump only
Main technical data 
.Start typeDirect on line
. Qty of controlled pumpSingle pump
. Rated input voltage:AC220V-240V Single phase
50HZ/ 60HZ
. Rated output power:0.37kw-2.2kw (0.5hp-3hp)
Protection function
Over load protection
Pump stalled protection
Dry run protection
Under voltage protection
Over voltage protection
Repeat start protection
Control characteristic
Connecting 0.5-4.5V pressure transmitter to replace pressure switch
Pump start and stop according to different pressure value setting
Other features
LCD screen displaying dynamic real time pressure value
Pump start and stop pressure value can be easily setting on the LCD screen
Pump accumulative running time recording
Pump last five faults record displaying
Presenting one dry contact point (BA port)
Present RS485 port
Present user remote monitor
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
Wall mounting
310 x 220x 120mm
Single Pump Control Panel for Pressure Boosting L921-B
2.Company  Information 
1)Brief introduction: as the supplier of pump control panel and control accessories, major products including: Intelligent Single / Dual Pump Control Panel, Motor Protector / Starter , Reverse Osmosis Controller, Anti-Clogging Reversal Pump Control Panel
More information, please visit:
2)Our location and communication
From Guangzhou to Changsha takes 1hour by air, 2.5hour by high speed train
From Shanghai to Changsha takes 1.5hour by air, 5hour by high speed train
From Beijing to Changsha takes 2.5hour by air
From Hong Kong to Changsha takes 2hour by air

Single Pump Control Panel for Pressure Boosting L921-B

Single Pump Control Panel for Pressure Boosting L921-B
Single Pump Control Panel for Pressure Boosting L921-B
Single Pump Control Panel for Pressure Boosting L921-B

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