What is the after-sales service policy?

We provide free spare parts or controllers for maintenance/replacement based on order quantity, along with technical training.

How can I trust your company?

We have 15 years of experience in manufacturing and selling pump control panels, serving many suppliers in China and overseas.

L921-S Single Phase Drainage Pump Control Box with IP54 Protection

Name: L921-S Single Phase Drainage Pump Control Box with IP54 Protection
Brand: Hunan Leading Science & Technology Development Co., Ltd.
SKU: 2108009625

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

US$79.90

10-99 Pieces

US$78.90

100-499 Pieces

US$76.90

500+ Pieces

Product profile

Customization

Available

Task

Program

Structure

Closed-Loop

Model NO.

L921-S

Mathematical Model

Non-Linear

Signal

Continuous

Function

Automatic Control

Certification

Condition

New

Customized

Material

ABS

Start Type

Dol(Direct on Line)

Qty of Controlled Pump

Single Pump

Rated Input Voltage

AC220V/AC230V Single Phase

Rated Output Power

0.37kw-2.2kw (0.5HP-3HP) 3-4kw(4HP-5.5HP)

Transport Package

Paper Carton

Specification

6 pcs/carton

Trademark

Neutral

Origin

China

HS Code

9032899090

Production Capacity

100000PCS/Year

Key features

IP54 Protection Rating: Dust-tight and protected against water jets, suitable for harsh environments.

LCD Real-time Monitoring: Displays dynamic depth, pump status, running time, and last five faults.

Comprehensive Protection: Includes overload, stall, dry run, under/over voltage, and repeat start protection.

Smart Level Control: Connects to 0.5-4.5V level transmitter for precise automatic start/stop control.

RS485 Remote Monitoring: Equipped with RS485 port for user remote monitoring and data transmission.

Customizable Design: Supports customized start types and specific pump control requirements.

8-Year Design Life: Engineered for a designed operational lifetime of 8 years.

CE Certified Quality: Meets CE standards with ISO-compliant production and strict quality control.

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: ≤5.26hTerms 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 standard panels, it takes about 7 working days. For non-standard orders, it takes 15-20 days.

Q:Do you accept OEM or ODM orders?

Yes, we accept OEM and ODM with our engineering team, but there is a minimum ordering quantity requirement.

Q:How do you ensure product quality?

We follow ISO standards, controlling quality from raw materials to finished products. 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 8 years.