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Variable Frequency Drive VFD Pump Inverter Three Phase AC Inverter
US$182.00
100-199 Pieces
US$176.00
200-299 Pieces
US$169.00
300+ Pieces
Sample price:US$182.00/piece.Request sample
Product profile
Customization
AvailableApplication
Type: VFDOutput Type
SingleModel NO.
LWN300-7.5-TX-4KWPrinciple of Work
Vector Control TransducerSwitch Mode
PWM ControlMain Circuit Type
VoltageVoltage of Power Supply
Medium Voltage Variable-Frequency DriveLink of Transformation
AC-AC Variable-Frequency DriveNature of DC Power
Current Variable-Frequency DriveFunction
Simple Type, Elevator Special, Constant Torque Universal TypeBrand
JnnPower
4kwTransport Package
Cardboard BoxSpecification
600*500*250mmTrademark
JNNOrigin
ChinaHS Code
90328990Production Capacity
50000Key features
Energy Saving Performance: Reduces energy consumption by 30% to 50% compared to valve control methods.
Soft Start and Stop: Prevents current surges up to 5-7 times rated current, extending equipment lifespan.
Comprehensive Protection: Protects against overcurrent, overvoltage, undervoltage, overheating, and short circuits.
Multi-Protocol Support: Supports six fieldbuses including Modbus, Profibus-DP, CANopen, and EtherCAT.
Flexible Control Methods: Offers Open-loop vector control, closed-loop vector control, and V/F control options.
Built-in PID Control: Enables easy realization of process control closed-loop systems.
Multi-Motor Switching: Supports two sets of motor parameters for switching control between two motors.
OEM and ODM Services: Provides full customization services for manufacturing vendors and brand distribution.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2019-08-01 CertifiedNearest Port: Ningbo PortAverage Response Time: ≤3.01h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryShanghai Winning Electric Co., Ltd. is a China-based limited company focused on intelligent water-pump and motor-control products. The supplier describes capabilities in product design, R&D, system integration, automation implementation, and production, with applications in municipal water supply, drainage, industrial control, agricultural irrigation, and aquaculture. It reports eight production lines, export activity to Africa, Southeast Asia/Middle East, and Australia, and approximately one-month order fulfillment in both peak and off-peak periods. Evidence supports product specialization and some engineering capability, but certification details, after-sales resources, financial credibility, customization results, and specific customer cases remain insufficiently documented. The supplied data also contains inconsistencies, including differing establishment/manufacturer-start dates, employee and quality-control counts, and company-location information.
Supplier typeThe supplier is identified as a Chinese limited company and is described as both a manufacturer and R&D company specializing in motor and pump-control products. Its stated departments include production, technology, engineering, and business functions, indicating an integrated manufacturing and engineering profile.
R&D capabilityThe supplier states that it performs system design, research and development, product development, and integration for intelligent pump and motor-control products, and reports two years of total R&D-engineer experience. These statements support an innovation function, but the limited disclosed R&D experience and absence of patents, new-product records, or technical outcomes prevent a stronger assessment.
Production capacityThe supplier describes production capabilities and reports eight production lines, with products covering pump controllers, protectors, and related control equipment. It also states approximately one-month fulfillment in both peak and off-peak seasons, although the reported employee and quality-control figures are internally inconsistent and production capacity metrics are limited.
Customization capabilityThe supplier explicitly offers product design, development, system integration, and automation-project implementation, including intelligent controllers for pumps, air energy, geothermal, and boilers. This supports potential customization and engineering adaptation, but no specific customized project, technical specification, or delivery example is supplied.
Product Q&A
Q:Does your company support OEM customization?
A:
Yes, as a manufacturing vendor, we support OEM and customization, do both OEM business and brand distribution.
Q:What's your payment term?
A:
Normally T/T and L/C, we are open to talk alternative payment terms.
Q:What's your delivery time?
A:
Delivery time depends on products, quantity and customization. Generally regular products take 10 days, and customized products take 2-3 weeks.
Q:What's your warranty?
A:
We provide one year warranty, are also open to extend warranty at your request.
Q:What is the maximum energy saving rate?
A:
By adjusting speed instead of valve control, energy consumption can be significantly reduced with a rate of up to 30% to 50%.
Send Inquiry
*To:
Shanghai Winning Electric Co., Ltd.
Shanghai Winning Electric Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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