Pump Motor Control Panels (L931-S)

• Task: Program
• Structure: Closed-Loop
• Mathematical Model: Linear
• Signal: Continuous
• Protection Grade: IP54
• Rated Input Voltage: AC380/50Hz
• Model NO.: L931-S
• Rated Output Power: 0.75kw~15kw
• Phase: Three Phase
• Transport Package: Paper Carton
• Specification: CE
• Trademark: Leading Science & Technology
• Origin: China
• HS Code: 90328990
• Production Capacity: 5000PCS/Year

Product Description

Drainage type pump panel L931-S

Application	Control & protect sewage / drainage pump only
Model	L931-S
Main technical data
.Start type	Direct on line
. Qty of controlled pump	Single 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 Over 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 Pump start and stop according to different depth value setting
Other features	LCD screen displaying dynamic real time depth & pump running status Pump start and stop depth value can be easily setting on the LCD screen Pump shaft anti-rust Pump accumulative running time displaying 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)	-25ºC-- +55ºC 20%--90%RH, no drips concreted IP54 Wall mounting 310 x 220x 1 20mm

Main spec:
Rated Input Voltage: AC380V/50HZ, Single Phase
Rated Output Power: 0.75kw-4kw / 5.5kw-11kw / 15kw

Application:
Control&Protect three phase pump, DOL

Main features:
1. Single pumps control;
2. Present pressure transmitter with 0.5-4.5V analog signal;
3. Easily setting the different liquid depth for sewage pump operation and observing
Dynamic liquid depth in the sump or sewage tank;
4. Eliminates the float switch or liquid sensor installed in the sump or sewage tank;
5. Protect the pump against many faults;
6. Auto/Manual switch;
7. Dynamic LCD displaying the real liquid depth;
8. Dynamic LCD displaying pump running information;
9. Pump accumulative running time displaying;
10. Pump last five fault record displaying;
11. Pump shaft anti rust;
12. Present remote monitor;
13. Present one dry contact point;
14. Grade of protection IP54;
15. Visual & Audio alarm for fault prompt.

Advantages:
1. Water pump network remote monitor;
2. Water pump GSM message remote monitor;
3. Central group control network systems;
4. Intelligent digital water pump controller with sensor free;
5. Computer chip of intelligent digital water pump control;
6. Water pump intelligent one button fast parameter calibration;
7. Water control anti-corrosion, enviromment-friendly probe;
8. Water pump shaft anti-rust function;
9. Liquid level no sensor application;
10. Win credit grade-AAA enterprise certification;
11. Win Hunan good quality and be reliable enterprise;
12. The appointed product of Hunan flood control and drought relief command office.

About us:
Hunan Leading Science & Technology Development Co., Ltd is the professional manufacturer of intelligent pump control system applied for monitoring and protecting of pumps in home and industry use;

Leading Science & Technology has always been a leader in the production, research & development of intelligent pump control system and relative pump control products. Million of our prime products have been sold on the market for stable quality and reasonable price.

Leading Science & Technology has established stable relations with many pump producers and distributors from China and overseas.
Till now, Leading Science & Technology we have passed CE, ISO9001: 2008 certificate.