M521 OEM Intelligent Single Phase Duplex Water Pump Control Box for Industry Electric Fully Automatic/Manual Control

• Customization: Available
• Task: Program
• Structure: Closed-Loop
• Mathematical Model: Non-Linear
• Signal: Continuous
• Function: Automatic Control, Protection
• Certification: CE
• Condition: New
• Customized: Customized
• Material: ABS
• Qty of Controlled Pump: Single Pump
• Rated Input Voltage: AC220V/AC230V Single Phase
• Rated Output Power: 0.37kw-2.2kw (0.5HP-3HP)
• Transport Package: Box+Paper Carton
• Specification: 14 pcs/carton
• Trademark: Neutral
• Origin: China
• HS Code: 9032899090
• Production Capacity: 100000PCS/Year
• Package Size: 25.50cm * 17.00cm * 11.00cm
• Package Gross Weight: 1.500kg

Product Description

Specification

Model	M521
Main technical data
Start type	Direct on line
Qty of controlled pump	Single pump
Rated input voltage:	AC220V-240V Single phase 50HZ/ 60HZ
Rated output power:	0.37kw-2.2kw (0.5hp-3hp)
Capacitor:	Reserved space for installing start capacitor
Protection function	Over load protection Pump stalled protection Dry run protection with sensor free Under voltage protection Over voltage protection
Application& Control characteristic	Control and protect universal pump Using water level sensor ,float switch or pressure switch to control pump start and stop Applied for water supply by liquid level control through float switch or liquid probe Applied for water supply by pressure control through pressure switch and pressure tank Applied for drainage by liquid level control through float switch or liquid probe
Other features	Push button calibration Memory function when power off & recovery Pump last five fault record displaying  Pump accumulative running time displaying
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 IP22 Wall mounting 228×160 ×73mm

Company Profile

About US

2001, LEADING company established, focusing on production, science and technology research and development, global sales and after-sales service for intelligent pump controllers in the water pump market.

2002-2003, We set up the factory in Changsha city, and proudly introduced China's pioneering sensor-free installation intelligent deep well submersible pump controller, revolutionizing the pump market.

 2004, Secured the prestigious national invention patent certificate and the design certificate for our intelligent pump controller from China's State Intellectual Property Office (SIPO).

 2005, Established an international marketing department and began exporting to the global pump market.

 2006-2009, Pioneered China's first One-Push button parameter calibration, power factor protection, anti-corrosion probe, and other cutting-edge pump control and protection technologies.

 2012, Honored with the title of Hunan High Tech Enterprise by the local government.

 2013-2014, Our leading intelligent pump controller passed rigorous testing to become the auxiliary control unit for major overseas pump manufacturers.

 2015, Triumphantly launched the Non-Contact Sewage Pump Control System, which was implemented in the Changsha metro sewage system.

 2017, Shifted to a new factory and scaled up production, elevating Leading to unprecedented heights.

 2018, With expanded production capabilities, our annual sales reached a historic peak.

 2019-2020, The novel *** swept across the globe. All LEADING staff united to overcome tough times, sending masks to customers to aid their struggles.

 2021, In the post-pandemic era, our production and business activities have fully resumed, with sales performance soaring to new heights.

 2022-2026, Our products and services are now available in over 100 countries and regions worldwide.

We are steadfast in our commitment to providing superior products and services. Leading is on an unstoppable journey forward!

Certifications

FAQ

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.

Where is your location and transportation guide?
From Guangzhou to Changsha takes 1hour by air, 2.5hour by high speed train
From Shanghai to Changsha takes 1.5hour by air, 5hour by high speed train
From Beijing to Changsha takes 2.5hour by air
From Hong Kong to Changsha takes 2hour by air