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.

Do 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?

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.

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.

PWM Control Low Frequency Inverter Use in HAVC Industry

Name: PWM Control Low Frequency Inverter Use in HAVC Industry
Brand: Zhejiang Ziri Electrical Technology Co., Ltd.
SKU: 940887945

Zhejiang, ChinaZhejiang Ziri Electrical Technology Co., Ltd.

US$144.00

1-10 Pieces

US$135.00

11-49 Pieces

US$124.00

50+ Pieces

Sample price:US$135.00/piece.Request sample

Product profile

Customization

Available

Application

to Drive and Control The Speed of Motor

Output Type

Triple

Model NO.

ZVF300H-G3R7/P5R5T4MD

Principle of Work

V/F Control Transducer

Switch Mode

PWM Control

Main Circuit Type

Voltage

Voltage of Power Supply

Low Voltage Variable-Frequency Drive

Link of Transformation

AC-DC-AC Variable-Frequency Drive

Nature of DC Power

Voltage Variable-Frequency Drive

Function

Constant Torque Universal Type

Brand

Chziri

Color

Black

Power

3.7kw

Input Voltage

380V/440V

Input Frequency

50/60Hz

Output Frequency

0-600Hz

Gross Weight

3kg

Net Weight

2.5kg

Signal

Continue

Control Mode

V/F Control ,Torque Control

Staring Frequency

0.00-10.00Hz

Protection Class

IP20

Altitude

Below 1000m

Communication

RS485

Installation Mode

Wall Mounted

Protection Function

Input Phase Loss Protection

Transport Package

Standard Export Package

Specification

CE ISO9001

Trademark

CHZIRI

Origin

Wenzhou, Zhejiang

HS Code

8504409999

Production Capacity

2000PCS/Month

Key features

17 Years Industry Experience: Over 17 years of professional experience in automation control systems and frequency inverters.

Comprehensive Certifications: Obtained ISO9001, CE, and CCC certificates for quality assurance and global compliance.

Customized Control Solutions: Offers customized design for MCC panels, VFD control panels, and soft starter cabinets based on client wiring diagrams.

Prompt Delivery Capability: Maintains large warehouse stock for standard models to ensure fast delivery and supply chain efficiency.

High-Quality Imported Components: Key parts sourced from reputable brands in Germany and Japan to ensure product reliability and durability.

OEM Service Available: Provides OEM services and flexible customization options including minor and full customization.

Advanced Communication Protocol: Features built-in RS485 port supporting standard MODBUS protocol for easy PLC and IPC integration.

Built-in PID Regulation: Includes built-in PID function for closed-loop control of temperature, pressure, and flow to reduce system costs.

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: ≤3.64h

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.