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With 15 years in pump control panel manufacturing, many suppliers in China and overseas use our controllers for pump and motor protection.

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Guangzhou to Changsha: 1hr by air, 2.5hrs by high-speed train. Shanghai to Changsha: 1.5hrs by air, 5hrs by high-speed train. Beijing to Changsha: 2.5hrs by air. Hong Kong to Changsha: 2hrs by air.

M521 Advanced Centrifugal Pump Control Panel with Automatic Features

Name: M521 Advanced Centrifugal Pump Control Panel with Automatic Features
Brand: Hunan Leading Science & Technology Development Co., Ltd.
SKU: 2315615175

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

US$30.90

1-99 Pieces

US$28.90

100+ Pieces

Product profile

Customization

Available

Task

Program

Structure

Closed-Loop

Model NO.

M521

Mathematical Model

Non-Linear

Signal

Continuous

Function

Automatic Control, Protection

Certification

RoHS, ISO: 9001, CE

Condition

New

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

Key features

Comprehensive Protection Functions: Includes overload, stall, dry run, under/over voltage protection with sensor-free capability.

Versatile Control Applications: Supports water supply and drainage via float switches, pressure switches, or liquid probes.

Advanced Memory & Calibration: Features push button calibration and memory function for power off recovery.

Detailed Fault Monitoring: Displays last five fault records and cumulative running time for maintenance tracking.

Wide Voltage Compatibility: Rated input voltage AC220V-240V Single Phase, compatible with 50HZ/60HZ frequencies.

OEM/ODM Manufacturing Support: Engineering team available for custom solutions with specific quantity requirements.

ISO Standard Quality Control: Full assembly and testing of each control panel before shipping under ISO standards.

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: ≤7.76hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CFR

AI-Powered supplier vetting

SummaryThe supplier is identified as Hunan Leading Technology Development Co., Ltd., a professional technology provider focused since 2001 on intelligent pump controller production, R&D, global sales, and after-sales service. It provides 3D software design, ODM/OEM, and multiple customization options, supported by documented inspection, corrective-action, complaint-handling, quality-assurance, and traceability procedures. Export experience is stated at 18 years, with exports representing 21%–30% of sales, and standard peak- and off-season lead times within 15 working days. However, the supplier has no available SDK, reported no new products in the past year, lacks overseas agents, branches, warehouses, and showrooms, and has no valid manufacturing-capacity contract with its factory and related subcontractors. Evidence is insufficient for certification holding, financial credibility, and customer cases.

Supplier typeThe supplier is Hunan Leading Technology Development Co., Ltd., described as a professional technology supplier focused on pump control and protection solutions, including production, R&D, global sales, and after-sales service. Its company type is recorded as “Combined,” but the exact legal classification is not further explained.

After-Sales capabilityThe company states that it provides after-sales service, maintains in-stock service capacity, and has documented procedures and records for complaint handling, corrective and preventive actions, quality assurance, and traceability. However, it has no overseas agents or branches, no overseas warehouse, no overseas showroom, and reports zero countries with overseas services, limiting demonstrated international after-sales coverage.

R&D capabilityThe supplier is identified as a professional R&D technology supplier and provides 3D software design and ODM services. Nevertheless, it has no available SDK and reported no new products during the past year, so the evidence supports design and development capability but indicates limited recent product innovation.

Production capacityThe supplier reports production operations, documented finished-product inspection procedures, in-stock capability, 18 years of export experience, and lead times within 15 working days in both peak and off seasons. A material control weakness is that the factory and related subcontractors have no valid manufacturing-capacity contract; overseas warehousing is also unavailable.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, together with 3D software design and ODM services. It also reports OEM capability for well-known brands, providing direct evidence of broad customization and design-manufacturing support.

Client casesThe supplier states that it provides OEM services for popular brands, which indicates experience serving recognized-brand customers. No specific customer names, projects, products, or verifiable case details are provided, so the depth and quality of customer cases cannot be fully assessed.

Product Q&A

Q:What is the lead time for non-standard orders?

For non-standard orders, it takes 15-20 days. Please contact us for details.

Q:Do you accept OEM or ODM orders?

Yes, we have an engineering team and accept OEM/ODM with a quantity requirement.

Q:How do you ensure product quality?

We follow ISO standards, controlling quality from raw materials to finished products. Each control panel is fully assembled and tested before shipping.

Q:What is the expected lifespan of the control panel?

The control panel is designed to last 8 years.

Q:What is your after-sales service policy?

Depending on order quantity, we provide free spare parts or controllers for maintenance and offer technical training.