Single Pump Control Panel L921-S(Sewage Lifting / Drainage Type)
Application: Control&Protect three phase Pump for Sewage Lifting / Drainage, DOL
Intelligent pump controller L921-S is an easy to use, programmable controlling & protection device for single booster pump.
Model L921-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.
Main Spec:
Rated Inupt Voltage: AC 220V/50HZ, Single Phase
Rated Output Power: 0...37-2.2KW / 3-4KW
Main features:
One 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
Audited Supplier 
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