Sewage Lifting Pump Controller L921-S

• Task: Program
• Structure: Closed-Loop
• Mathematical Model: Linear
• Signal: Continuous
• Function: Automatic Control
• Certification: ISO: 9001, CE
• Model NO.: L921-S
• Protection Grade: IP54
• Rated Input Voltage: AC220/50Hz
• Rated Output Power: 0.37kw~2.2kw/3-4kw
• Switch Type: Auto / Manual
• Phase Nummber: Single Phase
• Transport Package: Carton
• Specification: CE, ISO9001: 2008
• Trademark: Leading
• Origin: Changsha, Hunan
• HS Code: 90328990
• Production Capacity: 5000PCS/Year

Product Description

Sewage lifting pump controller

Main spec:
Rated Input Voltage: AC220V/50HZ, Single Phase
Rated Output Power: 0.37kw-2.2kw / 3kw-4kw

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.