L921-B 4kw Automatic Booster Water Pump Control with Dry Run Protection
Contact Supplier
Product Highlights
- Dry Run Protection: Equipped with sensor-free dry run protection to prevent pump damage.
- LCD Dynamic Display: Real-time pressure value display with easy setting of start/stop pressure.
- RS485 Communication: Includes RS485 port for remote monitoring and data transmission.
- Fault Memory: Records and displays the last five faults for easy troubleshooting.
- CE Certified: Product meets CE safety and quality standards for international markets.
- Customized Design: Available in customized configurations to meet specific user needs.
- IP54 Protection: Dust and water resistant with IP54 rating for durable operation.
- 8-Year Lifespan: Designed with a long operational life of approximately 8 years.
Product Attributes
- Customization
- Available
- Task
- Adjust
- Structure
- Closed-Loop
- Model NO.
- L921-B
- Mathematical Model
- Non-Linear
- Signal
- Continuous
- Function
- Automatic Control
- Certification
- CE
- Condition
- New
- Customized
- Customized
- Material
- ABS
- Transport Package
- Paper Cartoon
- Specification
- 6 pcs/carton
- Trademark
- Neutral
- Origin
- China
- HS Code
- 9032899090
- Production Capacity
- 100000PCS/Year
- Package Size
- 43.50cm * 33.00cm * 18.00cm
- Package Gross Weight
- 4.500kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of L921-B 4kw Automatic Booster Water Pump Control with Dry Run Protection
-
L921-B 4kw Automatic Booster Water Pump Control with Dry Run Protection -
L921-B 4kw Automatic Booster Water Pump Control with Dry Run Protection -
L921-B 4kw Automatic Booster Water Pump Control with Dry Run Protection -
L921-B 4kw Automatic Booster Water Pump Control with Dry Run Protection -
L921-B 4kw Automatic Booster Water Pump Control with Dry Run Protection -
L921-B 4kw Automatic Booster Water Pump Control with Dry Run Protection -
L921-B 4kw Automatic Booster Water Pump Control with Dry Run Protection
){kind=link}
Find Similar Products
Product Description
Product Description
1 About Product
1)Description
Intelligent pump control appliance for booster pump L921-B
Model L921-B is specially designed for pressure booster pumping system by adopting pressure transmitter, pump user can easily set the different pressure value and observe the dynamic pressure value in the pipeline.
2)Parameter form
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.
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
4)Customers' visit
5)Qualification &Certificate
3.FAQ
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.
1)Description
Intelligent pump control appliance for booster pump L921-B
Model L921-B is specially designed for pressure booster pumping system by adopting pressure transmitter, pump user can easily set the different pressure value and observe the dynamic pressure value in the pipeline.
2)Parameter form
| Application | Control & protect booster pump only |
| Model | L921-B |
| Main technical data | |
| Start type | Direct on line |
| Qty of controlled pump | Single pump |
| Rated input voltage: | AC220V-240V Single phase 50HZ/ 60HZ |
| Rated output power: | 0.37kw-2.2kw (0.5hp-3hp) 3-4kw(4-5.5hp) |
| Protection function | Over load protection Pump stalled protection Dry run protection with sensor free 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 IP54 Wall mounting 310 x 220x 120mm |
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.
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
3)Our trading fair
4)Customers' visit
5)Qualification &Certificate
3.FAQ
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.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR2391589". Items marked "
" are certified.
Company Profile
Established in 2001, LEADING Science &Technology, has been bringing constantly updated water pump control and protection solutions to the global pump manufacturers and users. Today LEADING Science & Technology, as the front runner of the industry, offers a wide range of pump control panels & pump control accessories for the pump control and protection market.
Our pump control panels can be applied for borehole pumps, submersible pumps, booster pumps, sewage/drainage pumps, RO system, irrigation system, etc.
Our mission & vision have not been changed: To provide quality, variety and system solutions to our dear customers.
Our Products:
1. Motor Protector / Motor Starter
2. General Pump Control Panel, Single / Duplex pump
3. Sewage Pump Control Panel, Single / Duplex pump
4. Pressure Boosting Pump Control Panel, Single / Duplex pump
5. Reverse Osmosis (RO) Control Panel
6. Smart Programmable Logic Controller (SPLC), Single / Duplex / Triple pump
7. Cell Phone + WiFi APP Control System
Our Certificates:
1. ISO 9001: 2015
2. CE Certificate
3. National Invention Patent Certificate
Our Exhibitions:
1. Canton Fair, China
2. EIMA International, Italy
3. Irrigation Show, USA
4. AsiaWater, Malaysia
5. Pumps&Valves, Thailand
About Our Factory & Business Background
- Address
- 7th Floor, 1 Block, No. 41 Yannong Rd, Hi-Tech Zone, Changsha, Hunan, China
- Terms of Payment
- LC, T/T
- International Commercial Terms(Incoterms)
- FOB, CFR
- Average Lead Time
- Peak Season Lead Time, one month, Off Season Lead Time, within 15 workdays
- Nearest Port
- Ningbo, Shanghai, Guangzhou
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2005-06-08
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- Can I have samples?
- Yes, we can send you samples for testing, contact us for details.
- What's delivery time?
- For standard pump control panel, it usually takes about 7 working days; For non-standard, it usually takes 15-20 days, please contact us for details.
- 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.
- 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.
- What is the approximate life time for your control panel?
- The designed life time of control panel is 8 years.
- 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.
- 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
People who viewed this also viewed
-
-
US$15.90 / Piece
-
US$16.90-18.90 / Piece
-
US$75.90-105.90 / Piece
-
US$15.30-16.30 / Piece
-
US$75.00-90.00 / Piece
-
-
US$26.00-28.00 / set
-
US$66.90-68.50 / Piece
-
US$19.60 / Piece
Find Similar Products By Category
- Supplier Homepage
- Products
- Single phase pump controller
- L921-B 4kw Automatic Booster Water Pump Control with Dry Run Protection
Related Categories
Hot Searches
- Remote Control Factories
- Electronic Control
- Electric Control
- Electrical Control
- Automatic Pump Control Factories
- Water Pump Controller
- Automatic Control Pump Controller
- Fan Pump Control
- Water Pump Phase Motor
- Top 10 Remote Control
- Remote Control Trends
- Automatic Booster Water Pump Control Bulkbuy