Water Pump Control Box, M931-Us

• Task: Program
• Structure: Closed-Loop
• Mathematical Model: Linear
• Signal: Continuous
• Grade of Protection: IP54
• Size: 250X197X114.5mm
• Model NO.: M931-U
• Rated Inupt Voltage: AC 380V/50Hz
• Phase: Three Phase
• Transport Package: Paper Carton
• Specification: CE
• Trademark: Leading Science & Technology
• Origin: China
• HS Code: 90328990
• Production Capacity: 5000PCS/Year

Product Description

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

aracteristic	double liquid level control/pressure control
Control method	Manual/Auto
Liquid level control characteristic	pulse electrode probe&float switch
Pressure control characteristic	pressure switch(n/c)&pressure tank
Rated output power	0.75-4kw ,5.5-11kw,15kw
Trip response time of over load	5sec-5min
Trip response time of open phase	<2sec
Trip response tiem of short circuit	<0.1sec
Trip response time of dry run	6sec
Liquid level transfer distance	<=1000m

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