What is the control principle of this inverter?

It adopts the V/F control principle, suitable for constant torque universal types.

Can I monitor the inverter status remotely?

Yes, users can monitor working status and fault information via PC or PLC.

Jnn Single-Phase AC220V 4kw Frequency Inverter with Constant Voltage Protection RS485

Name: Jnn Single-Phase AC220V 4kw Frequency Inverter with Constant Voltage Protection RS485
Brand: Shanghai Winning Electric Co., Ltd.
SKU: 2254062815

Shanghai, ChinaShanghai Winning Electric Co., Ltd.

US$80.00

50-149 Pieces

US$76.00

150-199 Pieces

US$73.00

200+ Pieces

Product specifications

Voltage

Power

Maximum output

Sample price:US$80.00/piece.Request sample

Product profile

Customization

Available

Application

High-performance Transducer, Three Phase Transducer, General Transducer, Single-phase Transducer, High Frequency Converter Transducer

Output Type

Triple

Model NO.

Lw-9000

Principle of Work

V/F Control Transducer

Switch Mode

PAM Control

Main Circuit Type

Current

Voltage of Power Supply

Low Voltage Variable-Frequency Drive

Link of Transformation

AC-DC-AC Variable-Frequency Drive

Nature of DC Power

Current Variable-Frequency Drive

Function

Constant Torque Universal Type

Voltage

AC 380V

Current

in:46.5A out:45A

Horsepower

16.5HP

Phases

3 Phases

Frequency

50/60Hz

Transport Package

Carton

Specification

194*98*142

Trademark

JNN

Origin

China

HS Code

8504409950

Production Capacity

1000PCS/Month

Key features

RS485 Communication Interface: Supports MODBUS-RTU protocol for PC/PLC monitoring and control.

V/F Control Principle: Ensures stable performance for constant torque applications.

OEM and ODM Services: Customization available for voltage, current, and horsepower.

CE Certification: Meets international safety and quality standards.

Constant Voltage Protection: Protects equipment from voltage fluctuations and faults.

Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, and Western Union.

One Month Lead Time: Consistent delivery schedule for peak and off-peak seasons.

Global Shipping Options: Available via FOB, CIF, and CFR from Ningbo Port.

Company profile

Shanghai Winning Electric Co., Ltd.

Shanghai, China

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: ≤3.23h 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.