M931 Automatic Pressure Control Box for 380V Submersible Pump Operation

• Customization: Available
• Task: Program
• Structure: Closed-Loop
• Model NO.: M931
• Mathematical Model: Non-Linear
• Signal: Continuous
• Function: Automatic Control, Protection
• Certification: CE
• Condition: New
• Customized: Customized
• Material: ABS
• Start Type: Dol(Direct on Line)
• Qty of Controlled Pump: Single Pump
• Protection Method: Real Motor Running Ampere
• Rated Output Power: 0.75kw-4kw (1HP-5.5HP) 5.5kw-11kw (7.5HP-15HP) 15K
• Transport Package: Paper Carton
• Specification: 14 pcs/carton
• Trademark: Neutral
• Origin: China
• HS Code: 9032899090
• Production Capacity: 100000PCS/Year
• Package Size: 33.00cm * 27.50cm * 17.50cm
• Package Gross Weight: 4.000kg

Product Description

Product Description

NO.1 About Product

Description
Introducing the innovative Smart Three-phase Pump Controller (M931), perfect for houses & farms

Model M931 is a paradigm of versatility with its adaptable operation modes through diverse electrical installations. What sets Model M931 apart from ordinary On/Off pump control boxes is its lack of probes or sensors in the well. Its exceptional design provides an ultra-reliable and highly sensitive defense against pump dry run, eliminating the need for any installation probe or sensor in the well.

Parameter form

General details
Model	M931
Main technical data
Start type	Direct on line
Qty of controlled pump	Single pump
Protection method	Real motor running ampere
Rated input voltage	AC380V Single phase 50HZ/ 60HZ
Rated output power	0. 75kw-4kw (1hp-5.5hp) 5.5kw-11kw (7.5hp-15hp) 15kw (20hp)
Protection function	Over load protection Pump stalled protection Dry run protection with sensor free Under voltage protection Over voltage protection Repeat start protection Phase unbalance protection Phase reversal protection Open phase protection
Application & Control characteristic	Control and protect general pump Using water level sensor , float switch or pressure switch or level/pressure transmitter 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 Applied for drainage by level transmitter Applied for water supply bu pressure transmitter Applied for water supply by level transmitter
Other features	Pump last five faults record displaying Pump accumulative running time displaying Pump shaft anti-rust LCD screen locked function under anto state Present RS485 port
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 250×197×114mm

Typical Application Example


TyDiscover the typical usage scenarios:
- Residential Houses
- Apartment Flats
- Holiday Homes
- Agricultural Farms
- Water Extraction from Wells
- Greenhouse, Garden, and Agricultural Irrigation
- Rainwater Harvesting and Reuse
- Industrial Manufacturing Plants
- Wastewater and Sewage Sinks

NO.2 About Us

1) Company Information
Brief Introduction
Since 2001, Hunan Leading Science & Technology Development Co., Ltd. has been revolutionizing pump control and protection solutions for dedicated pump users worldwide.
In the contemporary market, Leading Science & Technology excels by offering a comprehensive suite of pump control panels & accessories, tailored for the dynamic pump control and protection sectors.

Our premier products include: 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, and Reverse Osmosis Controller.

Explore more by visiting: pumpcontroller.en.made-in-china.com

Our office & Team

Leading Science & Technology encompasses three pivotal departments:
1. Sales Team
2. R&D Team
3. Production Team
Our Sales Team liaises with pump manufacturers, distributors, and users to gather detailed information and technical requirements, which are then conveyed to our R&D team. The R&D team conducts thorough evaluations and proceeds with research, development, and rigorous testing of the pump controllers. Once the controller meets our stringent criteria, it's passed to our Production Team for manufacturing.

The synergy among our team members has propelled Leading Company in crafting groundbreaking control and protection technologies for the pump industry.

2) Our trading fair & Communication & Feedback

NO.3 Our Production Capacity

You are cordially invited to embark on a fascinating factory field trip.

NO.4 FAQ
Can I request some samples?
Certainly, we are pleased to provide samples for your testing. Please contact us for further details.
What is the delivery timeline?
For our standard pump control panels, the typical delivery time is approximately 7 working days.
For non-standard requests, the delivery timeline extends to 15-20 days. Please get in touch for more details.
Is OEM or ODM possible?
Absolutely, with our in-house engineering team, OEM and ODM are available. However, please note that a minimum order quantity is required.
How does your factory ensure quality control?
Our meticulous production process adheres to the stringent ISO standards, ensuring top-notch quality control from the selection of raw materials to the completion of our product. Each of our control panels undergoes full assembly and is subjected to rigorous testing prior to packing and shipping, guaranteeing excellence every step of the way;
Could you please tell me the estimated lifespan of your control panel?
Our control panel boasts an impressive designed lifespan of approximately 8 years;
Could you elaborate on your after-sales service policy?
In consideration of the order quantity, we offer complimentary spare parts or controllers for maintenance or replacement. Additionally, we provide comprehensive technical training;
How can I be assured of your credibility?
With 15 years of dedicated experience in the pump control panel industry, we have been at the forefront of manufacturing and sales. Currently, numerous pump suppliers, both from China and internationally, trust our controllers to effectively manage and safeguard their pumps and motors.
Where is your location and transportation guide?
Traveling from Guangzhou to Changsha is a breeze, taking just 1 hour by air, or a swift 2.5 hours via high-speed train.
From the bustling city of Shanghai to Changsha, it takes a mere 1.5 hours by air, or a comfortable 5 hours by high-speed train.
For those traveling from the capital, Beijing to Changsha, it's a short 2.5-hour journey by air.
From the vibrant metropolis of Hong Kong to Changsha, the flight takes just 2 hours, offering a quick and convenient travel option.