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.

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.

Three Phase Single Pump Controller (M931) Which Has Phase Unbalance Protection

Name: Three Phase Single Pump Controller (M931) Which Has Phase Unbalance Protection
Brand: Hunan Leading Science & Technology Development Co., Ltd.
SKU: 733440772

Hunan, ChinaHunan Leading Science & Technology Development Co., Ltd.

US$85.00-100.00

50 Pieces

Product profile

Customization

Available

Material

ABS

Transport Package

Carton

Model NO.

M931

Specification

small size

Trademark

Leading or neutral

Origin

China

HS Code

9032899090

Production Capacity

10000 Sets Per Month

Key features

Phase Unbalance Protection: Protects single pump against phase unbalance, reversal, and open phase issues.

Sensor-Free Dry Run Protection: Reliable protection against pump dry run without requiring probes or sensors in the well.

Wide Power Range Support: Supports 0.75KW to 15KW (1HP-20HP) single pump direct start applications.

Comprehensive Fault Recording: Displays last five faults and accumulative running time for easy maintenance.

Multiple Control Modes: Compatible with float switches, pressure switches, and transmitters for level or pressure control.

Robust IP54 Protection: Dust and water resistant design suitable for wall mounting in various environments.

RS485 Communication Port: Enables digital communication and integration with other systems.

LCD Screen Lock Function: Prevents unauthorized changes with a locked LCD screen under auto state.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Hunan Leading Science & Technology Development Co., Ltd.

Hunan, China

Business Type: Manufacturer/Factory, Trading Company, OtherExport Year: 2005-06-08Nearest Port: Ningbo, Shanghai, GuangzhouAverage Response Time: ≤6.02hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CFR

AI-Powered supplier vetting

SummaryThe supplier, Hunan Leading Technology Development Co., Ltd, specializes in intelligent pump control solutions with a strong focus on research and development. They have significant experience in exporting, though they do not have SDK availability or overseas branches. Their customization capability is robust, offering various customization levels. However, there is no evidence of a valid manufacturing capacity contract or participation in trade shows. They maintain good quality control and after-sales service procedures.

Supplier typeThe supplier is a combined company named Hunan Leading Technology Development Co., Ltd, focusing on intelligent pump control and protection solutions.

After-Sales capabilityThe supplier has clear procedures for corrective actions and customer complaints, indicating a structured after-sales service capability.

Production capacityThe supplier does not have a valid contract for manufacturing capacity and lacks overseas showrooms and warehouses.

Customization capabilityThe supplier provides extensive customization options, including full and minor customization from samples and designs.

Product Q&A

Q:Can I have some samples?

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

Q:What is the delivery time?

For standard pump control panel, it usually takes about 7 working days; for non-standard, it usually takes 15-20 days, please contact us for details.

Q: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.

Q: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.

Q:What is the approximate life time for your control panel?

The designed life time of control panel is 8 years.