What is your after-sales service policy?

Depending on the order quantity, we provide free spare parts or controllers for maintenance or replacement, along with technical training.

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With 15 years of experience in manufacturing and selling pump control panels, many suppliers worldwide rely on our controllers for pump and motor control and protection.

S531 Three Phase Pump Protector with Rated Output Power Water Pump Control

Name: S531 Three Phase Pump Protector with Rated Output Power Water Pump Control
Brand: Hunan Leading Science & Technology Development Co., Ltd.
SKU: 2222430315

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

US$34.90-36.90

1 Piece

Product profile

Customization

Available

Task

Program

Structure

Closed-Loop

Model NO.

S531

Mathematical Model

Linear

Signal

Continuous

Function

Automatic Control, Protection

Certification

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) 0.75kw-4kw (1HP-5.5HP) 5

Transport Package

Paper Cartoon

Specification

14 pcs/carton

Trademark

Neutral

Origin

China

HS Code

9032899090

Production Capacity

100000PCS/Year

Key features

Customized Design: Supports customized specifications including voltage and power output ranges.

Comprehensive Protection: Features overload, stall, dry run, under/over voltage, and open phase protection.

Smart Monitoring: LCD screen displays running status, last 5 faults, and cumulative running time.

Flexible Control: Compatible with liquid probes, float switches, or pressure switches for various applications.

Wide Voltage Range: Rated input voltage AC380V-400V Three phase 50HZ/60HZ for versatile use.

Durable Construction: Made of ABS material with IP22 protection degree for reliable performance.

Long Signal Distance: Supports signal transmission distance up to 200m for extended control range.

Power Recovery: Includes memory function to recover status when power is restored after outage.

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:Can I request samples?

Yes, we can provide samples for testing. Please contact us for more details.

Q:What is the delivery time?

Standard pump control panels usually take about 7 working days. Non-standard panels typically take 15-20 days.

Q:Do you offer OEM or ODM services?

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

Q:How does your factory ensure quality control?

Our production process adheres to ISO standards. We meticulously monitor quality from raw materials to finished products, conducting thorough testing before shipping.

Q:What is the estimated lifespan of your control panels?

The designed lifespan of our control panels is 8 years.