Can I mix different power in one container .

Yes ,Different models can be mixed up in one container ,even one order .

How does your factory do the quality control?

Quality is priority ,we always attach the importance to quality control from the beginning to the end of the production .every product will be fully assembled and carefully tested before packing and shipping .

Can you sell spare parts ?

If you are using CHZIRI products .we can sell spare parts to you . But we couldn't sell the half-finished products.

I would like to know if you have a partner for export?

Yes .CHZIRI Electrical have the right to export and can sell electrical product all over the world..

Can you make the inverter and soft starter control boards (switchgear)?

Yes. We have a lot of experience to design frequency inverter and soft starter cabinet according to your request . But you can send us the wiring diagram .

Can the inverter connect with computer?

Yes .All inverters have built-in RS485 port .and support Modbus communication protocol.

How can I trust you ?

The core of CHZIRI electrical culture is honesty and loyalty .our company has been audited and approved ISO9001,CE.CCC. Assessment report will could be sent to you by e-mail .also .we are the made-in-china's gold supplier since 2008.Now we have clients all around the world . Welcomce to send inquiry to us !

Chziri Pump Frequency Converter 4.0kw 380V for Knapsack Pump

Name: Chziri Pump Frequency Converter 4.0kw 380V for Knapsack Pump
Brand: Zhejiang Ziri Electrical Technology Co., Ltd.
SKU: 1903027285

Zhejiang, ChinaZhejiang Ziri Electrical Technology Co., Ltd.

US$127.00

10-29 Pieces

US$120.00

30-49 Pieces

US$114.00

50+ Pieces

Sample price:US$127.00/piece.Request sample

Product profile

Customization

Available

Application

High-performance Transducer, Three Phase Transducer, General Transducer, Single-phase Transducer, Pump Inverter

Output Type

Triple

Model NO.

ZVF600-G4R0T4M

Principle of Work

Vector Control Transducer

Switch Mode

High Carrier Frequency PWM Control

Main Circuit Type

Voltage

Voltage of Power Supply

380V

Link of Transformation

AC-DC-AC Variable-Frequency Drive

Nature of DC Power

Voltage Variable-Frequency Drive

Function

Pump Inverter

Brand

Chziri

Color

Balck

Power

4.0kw

Input Voltage

Three Phase 380V

Input Frequency

50/60Hz

Output Voltage

0-Three Phase Input Voltage

Output Frequency

0-600Hz

OEM

Yes

Package

Package Box or Wooden Box

Protection

IP54

Altitude

Below 1000m

Rated Current

9.0A

Gross Weight

4.0kg

Transport Package

Standard Export Package

Specification

CE CCC ISO9001

Trademark

CHZIRI

Origin

China

HS Code

8504409999

Production Capacity

8000PCS/Month

Key features

IP54 Protection Rating: Dustproof and splash-proof design suitable for harsh environments.

Vector Control Technology: High-performance V/F and vector control for precise pump operation.

RS485 Communication: Built-in RS485 port supporting Modbus protocol for computer connection.

Fanless Heat Design: Professional heat-resistant design allows reliable operation without a fan.

Water Shortage Protection: Automatic water coming start and shortage protection for water supply.

One-Button Pressure Setting: Quick parameter view and single-button pressure setting for ease of use.

Direct Motor Installation: Can be directly installed on the motor without needing a cabinet.

Multi-Pump Networking: Supports single pump constant pressure and main/auxiliary pump networking.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Zhejiang Ziri Electrical Technology Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 21 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤3.47h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company with manufacturing, export, service, quality-control, and R&D information provided. It reports ISO9001, CE, and CCC certifications, documented procedures for service assessment, corrective actions, complaint handling, and finished-product inspection. R&D evidence includes new products in the past year, ODM services, and four years of R&D engineer experience. Customization is offered from samples, designs, and full or minor requirements, including control panels and cabinets. Production information lists three production lines and substantial inverter, VFD/control-panel, and soft-starter output. Export experience is reported at 21 years, but overseas service infrastructure is limited: no overseas warehouse, showroom, agents, branches, or offline trade-show participation. Financial records are indicated for 2021–2023, but the slices do not provide sufficient detail to assess financial strength. No specific customer cases are supplied.

Supplier typeThe supplier is classified as a combined company and provides information covering general operations, export trade, manufacturing, service, quality control, R&D, and photos. This supports classification as an integrated manufacturing and service-oriented supplier, although no more specific legal or ownership type is stated.

CertificationsThe company description states that CHZIRI Electrical obtained ISO9001, CE, and CCC certificates. These are explicit certification claims, although the slices do not provide certificate numbers, validity dates, or scope details.

After-Sales capabilityThe supplier states that it offers technical support and fast after-sales service, and it has written procedures and followed records for complaint handling and corrective/preventive actions. However, it reports no overseas warehouse, showroom, agents, branches, or overseas service countries, which limits demonstrated local service coverage.

R&D capabilityThe supplier reports new products in the past year, provides ODM services, and offers multiple design-based customization options. It has four years of total R&D engineer experience, but no SDK is available; overall evidence supports active product development but does not establish a broad or advanced innovation platform.

Production capacityThe supplier operates three production lines and reports output for frequency inverters, VFD and soft-starter control panels, and soft starters. It also states that it holds warehouse stock and offers delivery within 15 working days in the off-season and about one month during peak season, indicating established production and fulfillment capability.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization. Its description further states that it can design MCC panels, inverter cabinets, and soft-starter cabinets according to customer wiring diagrams.