High-Efficiency L921 Plus Water Pump Control System with Transmitter

• Customization: Available
• Task: Program
• Structure: Closed-Loop
• Model NO.: L921 PLUS
• Mathematical Model: Linear
• Signal: Continuous
• Function: Automatic Control, Protection, Monitoring, Measurement
• Certification: ISO: 9001, CE
• Condition: New
• Customized: Customized
• Material: ABS
• Rated Output Power: 0. 37kw-2.2kw (0.5HP-3HP) 3kw-4kw (4HP-5.5HP)
• Protection Grade: IP54
• Rated Input Voltage: AC220V/AC230V Single Phase
• Weight: 2.48kg
• Transport Package: Paper Carton
• Specification: 300*240*120mm
• Trademark: LEADING
• Origin: China
• Production Capacity: 5000
• Package Size: 32.00cm * 26.00cm * 15.00cm
• Package Gross Weight: 4.500kg

Product Description

Detailed Photos

High-quality Single Phase Water Pump Control Panel with 4-20mA Transmitter support. Ideal for intelligent pump control with linear mathematical models in a closed-loop system.

 

Monitor your pump's operation with precision using the LCD screen on the Single Phase Water Pump Control Panel by Hunan Leading. This intelligent controller supports 4-20mA transmitter for accurate monitoring.

Product Specifications

Model	L921 PLUS
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) 3kw-4kw (4hp-5.5hp)
Capacitor	Reserved space for installing start capacitor
Protection function	Over load protection Pump stalled protection Dry run protection with sensor free Under voltage protection Over voltage protection Repeat start protection Over temperature protection
Application & Control characteristic	Control and protect general pump Using water level sensor, float switch or pressure switch or level/pressure transmitter to control pump start and stop Applied for drainage by level control through 4-20mA level transmitter Applied for booster by pressure control through 4-20mA pressure transmitter Applied for water supply by liquid level control through float switch or liquid probe Applied for water supply by pressure control through pressure switch and pressure tank Applied for drainage by liquid level control through float switch or liquid probe
Other features	Pump last five faults record displaying Pump accumulative running time displaying Pump shaft anti-rust Present one dry contact point(BA port) LCD screen locked function under anto state Present RS485 port Present user remote monitor 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 300×240×120mm

Function switch setting

Connectable sensors: Liquid probe(standard accessory)/ Pressure switch/Float switch/4-20mA transmitter

Technical Parameters

Our Advantages

We can accept customized products because we have our own research and development department ;

We can supply competitive price because we are the factory ;

We can supply technic support because we have experienced technic team.
 

Manufacturing facility/ability

Payment terms/ Delivery terms

FAQ

Can i have some 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 15-20days ,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.

Where is your location and transportation guide?
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