Hunan, China
Business Type:
Manufacturer/Factory, Trading Company, Other
Management System Certification:
ISO 9001, ISO 14001
OEM/ODM Service
Sample Available
MEI Awards

Water Treatment, Electric Pump, Home Water Supply manufacturer / supplier in China, offering Universal Water Electronic Control Manufacturer, Water Pump Control Panel L932, Three Phase Single Pump Controller (M931) Which Has Phase Unbalance Protection and so on.

Diamond Member Since 2012
Audited Supplier
Supplier Homepage Products pump control panel Universal Water Electronic Control Manufacturer

Universal Water Electronic Control Manufacturer

Min. Order: 10 Pieces
Port: Ningbo, China
Production Capacity: 60, 000 Sets Per Month
Payment Terms: L/C, T/T, Western Union, Paypal
Task: Program
Structure: Closed-Loop
Mathematical Model: Linear
Signal: Continuous
Function: Automatic Control, Protection, Monitoring
Certification: ISO: 9001, CE

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Basic Info.

Model NO.
Input Voltage
Single Phase
Rated Output Power
Protection Grade
Leading or neutral
Transport Package
Box+Paper Carton
Small size
HS Code
1.Product Information 

Universal water electronic control manufacturer

MODEL: S521 

Model S521 is useful in all cases we need to control and protect single pump, managing its turn-on and turn off by different electric installations.

Typical usage scenarios include:
-Holidays houses
-Water supply from wells
-Irrigations of greenhouses, gardens, agriculture
-Rain water reuse
-Industrial plants
-Waste water tank / Sewage sink

1. Water pump network remote monitor;
2. Central group control network systems;
3. Intelligent digital water pump controller with sensor free;
4. Computer chip of intelligent digital water pump control;
5. Water pump intelligent one button fast parameter calibration;
6. Water control anti-corrosion, enviromment-friendly probe;
7. Water pump shaft anti-rust function;

Main technical characteristic
Control characteristic
Double liquid level control
Pressure control
Control methodManual/Auto
Liquid level control characteristicFloat switch
Pressure control characteristicPressure switch(n/c) & pressure tank

Main technical data
Rated output power0.37KW-2.2KW  (0.5HP-3HP)
Rated input voltageAC220V-240V  50HZ/60HZ    SinglePhase
Trip response time of overload5sec-5min
Trip response time of short circuit<0.1sec
Trip response time of under/over voltage<5sec
Trip response time of dry run6sec
Recovery time of over load30min
Recovery time of under/over voltage5min
Recovery time of dry run30min
Trip voltage of over voltage253V
Trip voltage of under voltage175V
Protection functionOver load protection
Pump stalled protection
Dry run protection with sensor free
Under voltage protection
Over voltage protection
Main installation data
Working temperature-25ºC--+55ºC
Working humidity20%-90%RH, no drips concreted
Degree of protectionIP22
Install positionVertical

2.Company Information 

1)Brief Introduction:

Since 2001, Leading Science & Technology company has been providing pump control and protection solutions to pump users.

Today Leading Science & Technology offers a wide range of pump control panel & pump control accessories for the pump control and protection market.

Our products: Intelligent Pump Controller, Sewage Pump Controller, Booster Pump Controller, Deep Well Pump Control Box, Submersible Pump Controller, Pump Motor Starter,Programmable Logic Controller, IOT Pump Controller, Reverse Osmosis Controller.

For more information, please visit:
2)Our Team
Leading company has three major departments:
1. Sales Team
2. R&D Team
3. Production Team

Sales team collect the information and technical requirements from pump manufacturers, pump distributors, pump users etc and report to our R&D team. According to the information, R&D team will evaluate firstly and start to research,develop and test the pump controller. Finally once the pump controller is workable, our production team will produce.

With our team members' close cooperation, Leading company has been developing many unique control and protection technology for pump industry.

3)Our Fair
Three Phase Pump Motor Protector (MP-M3)

4)Our Manufacturing Ability & Certificates

Three Phase Pump Motor Protector (MP-M3)

5)Our Service

1> Payment terms
Universal Water Electronic Control Manufacturer
2> Delivery terms

Universal Water Electronic Control Manufacturer

Three Phase Pump Motor Protector (MP-M3)

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