What is your after-sales service policy?

Based on the order quantity, we provide free spare parts or controllers for maintenance/replacement and offer technical training.

What is the rated input voltage range?

The rated input voltage is AC220-240V, single phase, 50HZ/60HZ.

What protection functions are included?

It includes overload protection, pump stall protection, dry run protection (with sensor), under voltage protection, and over voltage protection.

Single Pump Control Panel (M521) Control and Protect Universal Pump

Name: Single Pump Control Panel (M521) Control and Protect Universal Pump
Brand: Hunan Leading Science & Technology Development Co., Ltd.
SKU: 735579102

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

Negotiable

10 Pieces

Product profile

Customization

Available

Task

Program

Structure

Closed-Loop

Model NO.

M521

Mathematical Model

Linear

Signal

Continuous

Function

Automatic Control

Certification

ISO: 9001, CE

Condition

New

Customized

Material

ABS

Transport Package

Carton

Specification

small size

Trademark

Leading or neutral

Origin

China

HS Code

9032899090

Production Capacity

10000 Sets Per Month

Key features

Customizable Design: The M521 control panel supports customized specifications to meet specific project needs.

Comprehensive Protection: Features overload, stall, dry run, under/over voltage protection for reliable pump operation.

Smart LCD Interface: LCD screen displays running status, fault history, and cumulative running time for easy monitoring.

Versatile Control Modes: Supports control via liquid probe, float switch, or pressure switch for various water supply and drainage scenarios.

Power Failure Memory: Retains settings and status when power is off, ensuring automatic recovery upon power restoration.

Wide Application Range: Suitable for houses, farms, greenhouses, industrial plants, and sewage systems with 0.37-2.2KW pumps.

ISO Certified Quality: Manufactured under ISO 9001 standards with strict quality control from raw materials to finished products.

Long Service Life: Designed for an approximate operational lifetime of 8 years with durable ABS material construction.

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: ≤8.20hTerms 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:Can I get samples for testing?

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

Q:What is the delivery time for orders?

For standard pump control panels, it usually takes about 7 working days. For non-standard customized orders, it takes 15-20 days.

Q:Do you accept OEM or ODM orders?

Yes, we have our own engineering team and accept OEM and ODM orders, subject to a minimum ordering quantity requirement.

Q:How do you ensure product quality?

Our production process follows ISO standards. We control quality from raw materials to finished products, and each panel is fully assembled and strictly tested before shipping.

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

The designed lifetime of the control panel is approximately 8 years.