Single Pump Control Panel L931-S(Sewage Lifting / Drainage Type)
Application: Control&Protect three phase Pump for Sewage Lifting / Drainage, DOL
Intelligent pump controller L931-S is an easy to use, programmable controlling & protection device for single booster pump.
Model L931-S is specially designed for sewage pumping system, by adoption of level transmitter (0.5-4.5V), pump user can easily set the different liquid depth for sewage pump operation and observe the dynamic liquid depth in the sump or sewage tank.
L931-S
Main Spec:
Rated Inupt Voltage: AC 380V/50HZ, Three Phase
Rated Output Power: 0.75KW-4KW / 5.5KW-11KW / 15KW
Main features:
-Single pump control
-Present level transmitter with 0.5-4.5V analog signal
- Easily setting the different liquid depth for sewage pump operation and observing dynamic liquid depth in the sump or sewage tank.
-Eliminates the float switch or liquid sensor installed in the sump or sewage tank
-Auto / Manual switch
-Protect the pump against many faults
- Dynamic LCD displaying the real liquid depth
-Dynamic LCD displaying pump running information
- Pump accumulative running time displaying
-Pump last five fault record displaying
- Pump shaft anti rust
-Present remote monitor
- Present one dry contact point
-Grade of Protection IP 54
-Visual & Audio alarm for fault prompt
Main technical characteristic
| Control characteristic |
Level control |
| Control method |
Manual/Auto |
| Level control characteristic |
Level transmitter |
| Rated output power |
0.75-15kw(Refer to the rating label) |
| Rated input voltage |
AC220V-415V/50HZ ,Three phase |
| Liquid level transfer distance |
<400m |
| Protection function |
Dry run ,Over load,Transient surge,Under and over voltage,open phase ,Pump shaft rust protection,Pump stalled,Short circuit,Over temp, Three phase unbalance, Phase reversal ,Repeated start. |
| Degree of protection |
IP 54 |
| Physics interface |
RS485 |
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Audited Supplier 
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