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Water Pump Control Box M521 for Single Phase Submersilbe Pump
US$30.00
100-499 Pieces
US$26.00
500+ Pieces
Product profile
Customization
AvailableTask
ProgramStructure
Closed-LoopModel NO.
M521Mathematical Model
LinearSignal
ContinuousFunction
Automatic ControlCertification
CECondition
UsedCustomized
Non-CustomizedMaterial
PlasticSize
17*15.5*8.5Weight
535gDegree of Protection
IP22Transport Package
Paper CartonSpecification
CETrademark
Leading Science & TechnologyOrigin
ChangshaHS Code
90328990Production Capacity
40000/YearKey features
Comprehensive Protection Functions: Includes overload, stall, dry run, under voltage, and over voltage protection.
Versatile Control Methods: Supports control via water level sensor, float switch, or pressure switch.
Fault Memory and Display: Stores and displays the last five faults and cumulative running time.
Wide Voltage Compatibility: Rated input voltage AC220V-240V for single phase 50HZ/60HZ.
IP22 Protection Rating: Dust and splash resistant with a degree of protection IP22.
Compact Wall Mount Design: Unit dimension 70x55x85mm, suitable for wall mounting installation.
Power Off Memory Function: Retains settings and recovers automatically when power is restored.
CE Certified Product: Meets CE certification standards for safety and compliance.
Company profile
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 rated input voltage?
A:
The rated input voltage is AC220V-240V, single phase, 50HZ/60HZ.
Q:What protection functions are included?
A:
It features overload protection, pump stalled protection, dry run protection with sensor, under voltage protection, and over voltage protection.
Q:How can the pump be controlled?
A:
Control is achieved using a water level sensor, float switch, or pressure switch for water supply or drainage applications.
Q:What is the degree of protection?
A:
The device has a degree of protection of IP22.
Q:Does the device store fault history?
A:
Yes, it can display the last five faults and the pump's cumulative running time.
Send Inquiry
*To:
Hunan Leading Science & Technology Development Co., Ltd.
Hunan Leading Science & Technology Development Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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