Sign In | Join Free | My
Hunan Leading Science and Technology Development Co.,Ltd
Leading Science & Technology, always leading the technology of pump control and protection technology
Home > Intelligent Pump Controller >

Auto / Manual Single Phase Submersible Pump Control Panel AC 220v/50hz

Hunan Leading Science and Technology Development Co.,Ltd
Trust Seal
Verified Supplier
Credit Check
Supplier Assessment

Auto / Manual Single Phase Submersible Pump Control Panel AC 220v/50hz

Brand Name : LEADING
Model Number : M521
Certification : CE
Place of Origin : China
MOQ : 1 set
Price : Negotiable
Payment Terms : L/C, D/P, T/T
Supply Ability : 5000 sets Per Month
Delivery Time : 15-20 days
Packaging Details : Carton
Rated output power : 0.37KW-2.2KW (0.5HP-3HP)
Trip response time of over load : 5sec-5min
Trip response time of short circuit : <0.1sec
Trip response time of under / over voltage : <5sec
Trip response time of dry run : 6sec
Recovery time of over load : 30min
Recovery time of under / over voltage : 5min
Recovery time of dry run : 30min
Trip voltage of over voltage : 253V
Trip voltage of under voltage : 175V
Contact Now

Single Phase Intelligent Water Pump Controller - Auto/Manual,Ac220v/50hz ,One Button Calibration ,LCD Displaying

Model M521 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

Application & Control characteristic:

Control and protect general pump

Using water level sensor or float switch to control pump start and stop

• Applied for water supply by liquid level control through float switch or liquid probe

• Applied for booster by pressure control through pressure switch and pressure tank

• Applied for drainage by liquid level control through float switch or liquid probe

Main technical data:

• Start type: Direct on line (DOL)

• Rated input voltage: AC220V-AC240V Single phase 50HZ/ 60HZ

• Capacitor Reserved space for installing start capacitor

• Rated output power 0.37kw-2.2kw (0.5hp-3hp)

Max Motor

Output power


Max Range(A)


Product function / features

• Built in function switch for three different application

• Over load protection

• Motor stalled protection

• Dry run protection with sensor free

• Under voltage protection

• Over voltage protection

• Transient surge protection

• Memory function when power off & recovery

• LCD screen displaying pump running status

• Push button calibration


Main installation data

• Working temperature: -25℃-- +55℃

• Working humidity: 20%--90%RH, no drips concreted

• Degree of protection: IP22

• Install position: Wall mounting

• Unit dimension (L x W x H): 160 x 82 x 228mm

  • FAQ
  • Can i have some samples ?

Yes ,we can send you samples for testing,contact us for details

2) What’s delivery time ?

For standard pump control panel ,it usually takes about 7 working days;

For non-standard,it usually takes 15-20days ,please contact us for details;

  • Can I do OEM or ODM ?

Yes,we have our own engineering team and we do accept OEM and ODM,but there is ordering quantity requirement;

  • How does your factory do the quality control ?

Our production process follow up the ISO standard and we control the product quality from the raw materials to the finished product,each of our control panel will be fully assembled and strictly tested before packing and shipping ;

  • What is the approximate life time for your control panel /

The designed life time of control panel is 8 years ;

  • what is your after sales service policy

According to the ordering quantity,we will give some free spare parts or controller for maintenance or replacement and we will give technical training;

  • How can i trust you ?

We have being developing the pump control panel manufacturing and selling for 15 years ,now many pump supplier from China and overseas are using our controller to control and protect their pump and motor.

Product Tags:

intelligent pump control box


digital pump controller

China Customized Inflatable Bumper Ball Game Bubble Adult Grass CE supplier

Auto / Manual Single Phase Submersible Pump Control Panel AC 220v/50hz Images

Inquiry Cart 0

Home| Products| Suppliers| Quality Suppliers| Site Map |About Us |Contact Us |Help |关于我们 |联系我们

Copyright © 2009 - 2018 All rights reserved.