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Three Phase Pump Control Panel Sewage Water Pump Controller Inside Built Level Transmitter

Hunan Leading Science and Technology Development Co.,Ltd
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Hunan Leading Science and Technology Development Co.,Ltd
City: Changsha
Province/State: Hunan
Country/Region: China
Tel: 86-731-84471500
Contact Person:
Mr Steven Ma

Three Phase Pump Control Panel Sewage Water Pump Controller Inside Built Level Transmitter

Brand Name : LEADING
Model Number : L931-S
Certification : CE
Place of Origin : China
MOQ : 1 set
Price : Negotiable
Payment Terms : D/A, L/C, D/A, D/P, T/T
Supply Ability : 5000 Pcs / Each Month
Delivery Time : 30-35 days
Packaging Details : Carton
Phase : Three phase
Pump controlled quantity : One pump
Enclosure protection grade : IP54
Install position : wall mounting
Displaying : LCD display
Liquid level transfer distance : ≤1000m
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Sewage Water Pump Controller Inside Built Level Transmitter ,Work With 0.75-15kw Sewage Pump


L931-S pump controller is a compact wall mounted unit which will manage the operation of a Duty pump motor applicable for waste water management.

Pump Controller adopt the digital control chip, set upper and down liquid level and automatic control in one function. Automatic and manual two working mode can be selected..the controller have loss phase, overload, empty load, over voltage and under voltage function protection. Small size .elegant appearance. Applicable to a variety of water supply control occasions.

One inside built level transmitter will inform the controller when the container has been pumped dry, when a container is in danger of overflowing, or when a normal pump cycle needs to be initiated. Real time water level can be displaying on the LCD,pump can be cut in and cut off as per in-advanced setting of water level. A number of alarm conditions will be displayed and electronically recorded where normal operating limits have been exceeded.

The controller unit is housed in a tough IP54 rated plastic enclosure with a LCD displaying front so that various status indicators may be viewed. This allows routine pump checks and maintenance to be carried out without the presence of an electrician. (Installation and maintenance of all electrical components will still require the presence of a qualified electrical contractor.)

  • Comparison from our digital controller to traditional controller


Our digital controllerTraditional controller
Multi application in same
Application can be set
for drainage,pressure
boosting or water
customer needs to define
in advance
Pumps run in alternation
and also parallel if required
Yes ,pumps alternation on
every start cycle
in most cases it is done
as per timing
Sensor less dry runningYesNo
Digital displaying of voltageYesMostly analogue
Digital displaying of current
consumption of pump
YesMostly analogue
Current overload protectionYesYes
Setting under&over voltageYesNo
Displaying on faults on screen
in text form
Common controller for rating from
Audio alarm in case faultYesNo
Setting recovery time
from dry run
Auto recovery from supply faultsYesNo
Auto/Manual ModeYesYes
Last five faults recordsYesNo
Run hours of each pumpYesNo
BMS connectivityBy default RS485Only in some cases with
potential free contacts

3.Products Technical Data:

ApplicationControl & protect sewage / drainage pump only
Main technical data
.Start typeDirect on line
. Qty of controlled pumpSingle pump
. Rated input voltage:

AC380V Three phase

50HZ/ 60HZ

. Rated output power:

0. 75kw-4kw (1 hp-5. 5hp)
5. 5kw-11kw (7.5hp-15hp)

15kw (20hp)

Protection function

Over load protection

Pump stalled protection

Dry run protection

Under voltage protection

Repeat start protection

Phase unbalance protection

Phase reversal protection

Open phase protection

Control characteristic

Connecting 0.5-4.5V level transmitter to replace float switch or level probe

Single pump control

Other features

LCD screen displaying dynamic real time depth & pump running status

Pump shaft anti-rusty

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)

-25℃-- +55℃

20%--90%RH, no drips concreted


Wall mounting

310 x 220x 1 20mm

Product Tags:

3 phase water pump controller


3 phase pump controller

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