Hunan, China
Business Type:
Manufacturer/Factory, Trading Company, Other
Management System Certification:
ISO 9001, ISO 14001
OEM/ODM Service
Sample Available
MEI Awards

Water Pump Controller, Water Pump Control Box, Water Pump Control Panel manufacturer / supplier in China, offering Direct on Line Start Dual Dewatering Pump Control Panel L922-S, Economical Three Phase Duplex Pump Control Panel (L532), Intelligent Single Pump Control Panel (MP-S1 plus) for Pump Manufacturer and so on.

Diamond Member Since 2012
Audited Supplier
Supplier Homepage Products Pump Control Panel for Drainage Type Direct on Line Start Dual Dewatering Pump Control Panel L922-S

Direct on Line Start Dual Dewatering Pump Control Panel L922-S

Get Latest Price
Min. Order: 10 Pieces
Port: Ningbo, China
Production Capacity: 60, 000 Sets Per Month
Payment Terms: L/C, T/T, Western Union, Paypal
Task: Program
Structure: Closed-Loop
Mathematical Model: Linear
Signal: Continuous
Function: Automatic Control, Protection, Monitoring
Certification: ISO: 9001, CE

You Might Also Like


Basic Info

Model NO.
Input Voltage
Single Phase
Rated Output Power
0.37kw-2.2kw 3kw- 4kw
Protection Grade
Leading or neutral
Transport Package
Box+Paper Carton
Big size
HS Code
1  About Product

Direct on line start dual dewatering pump control panel L922-S 

Model L922-S is specially designed for dual sewage pump system by adopting level transmitter, pump user can easily set the different level value and observe the dynamic level value on the LCD.

2)Parameter form 
Main technical data 
Start typeDirect on line
Qty of controlled pumpDuplex pump
Rated input voltageAC220V-240V Single phase
50HZ/ 60HZ
Rated output power0.37kw-2.2kw (0.5hp-3hp)
Protection functionOver load protection
Pump stalled protection
Dry run protection with sensor free
Under voltage protection
Repeat start protection

Control characteristicConnecting 0.5-4.5V level transmitter to replace float switch or level probe
Duplex pump control
.Main pump / standby pump automatically alternate 
.Main pump / standby pump automatically switch against malfunction
.Standby pump participate running if required
Other featuresLCD screen displaying dynamic real time depth & pump running status
Pump shaft anti-rust
Pump accumulative running time recording
Pump last five faults recording 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 1 20mm

2  About us
1)Company Information 

Brief Introduction
Since 2001, Leading Science & Technology company has been providing pump control and protection solutions to pump users.
Today Leading Science & Technology offers a wide range of pump control panel & pump control accessories for the pump control and protection market.

Our products: Intelligent Pump Controller, Sewage Pump Controller, Booster Pump Controller, Deep Well Pump Control Box, Submersible Pump Controller, Pump Motor Starter,Programmable Logic Controller, IOT Pump Controller, Reverse Osmosis Controller.

For more information, please visit:

Our Team
Leading company has three major departments:
1. Sales Team
2. R&D Team
3. Production Team
Sales team collect the information and technical requirements from pump manufacturers, pump distributors, pump users etc and report to our R&D team. According to the information, R&D team will evaluate firstly and start to research,develop and test the pump controller. Finally once the pump controller is workable, our production team will produce.

With our team members' close cooperation, Leading company has been developing many unique control and protection technology for pump industry.

2)Our factory

Direct on Line Start Dual Dewatering Pump Control Panel L922-S

3)Our trading fair

Direct on Line Start Dual Dewatering Pump Control Panel L922-S

4)Customers' visit 

Direct on Line Start Dual Dewatering Pump Control Panel L922-S

5)Qualification &Certificate

Direct on Line Start Dual Dewatering Pump Control Panel L922-S

1)Can i have some samples ?
Yes ,we can send you samples for testing,contact us for details.

2)What's delivery time ?
For standard pump control panel ,it usually takes about 7 working days;
For non-standard,it usually takes 15-20days ,please contact us for details.

3)Can I do OEM or ODM ?
Yes,we have our own engineering team and we do accept OEM and ODM,but there is ordering quantity requirement.

4)How does your factory do the quality control ?
Our production process follow up the ISO standard and we control the product quality from the raw materials to the finished product,each of our control panel will be fully assembled and strictly tested before packing and shipping.

5)What is the approximate life time for your control panel ?
The designed life time of control panel is 8 years.

6)What is your after sales service policy ?
According to the ordering quantity,we will give some free spare parts or controller for maintenance or replacement and we will give technical training.

7)How can i trust you ?
We have being developing the pump control panel manufacturing and selling for 15 years ,now many pump supplier from China and overseas are using our controller to control and protect their pump and motor.


Send your message to this supplier

avatar Ms. Jessie

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now