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Intelligent Pump Control Box with Protection by Real Output Measure.
Negotiable
50 Pieces

Product profile

Customization

Available

Task

Program

Structure

Closed-Loop

Model NO.

M921-3

Mathematical Model

Linear

Signal

Continuous

Function

Automatic Control

Certification

CE

Condition

Used

Customized

Non-Customized

Input Voltage

AC220V

Output Power Range

0.37-2.2kw

Transport Package

Paper Carton

Specification

CE

Trademark

Leading Science & Technology

Origin

China

HS Code

90328990

Production Capacity

5000PCS /Year

Key features

Real Output Protection: Protects motor using real output power measurement with power factor.
Comprehensive Safety Functions: Includes overload, stall, dry run, under/over voltage, and rapid cycle protection.
Fault & Time Recording: Displays last five faults and accumulative running time on LCD screen.
RS485 Communication Port: Features built-in RS485 port for data transmission and system integration.
Versatile Control Methods: Supports control via float switch, liquid probe, or pressure switch.
Wide Voltage Range: Rated input voltage AC220V-240V Single phase 50HZ/60HZ.
IP54 Protection Rating: Dust and water resistant with IP54 rating for wall mounting.
Anti-Rust Shaft Design: Features pump shaft anti-rust function for extended durability.

Company profile

Hunan Leading Science & Technology Development Co., Ltd.
Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team
Business Type: Manufacturer/Factory, Trading Company, OtherExport Year: 2005-06-08Nearest Port: Ningbo, Shanghai, GuangzhouAverage Response Time: ≤6.20hTerms 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:What is the rated input voltage?
A:
The rated input voltage is AC220V-240V Single phase 50HZ/60HZ.
Q:What protection functions are included?
A:
It includes overload, pump stalled, dry run, under voltage, over voltage, and rapid cycle protection.
Q:How is the pump controlled?
A:
Control is achieved using water level sensors, float switches, or pressure switches.
Q:What is the output power range?
A:
The rated output power range is 0.37kw-2.2kw (0.5hp-3hp).
Q:Does the device display fault history?
A:
Yes, it displays the last five faults and the accumulative running time.

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