Is there a warranty or after-sales support?

The product includes self-diagnostics and fault auto-reset features for reliable operation.

What is the net weight of the package?

The net weight is 14kg for 4 pieces, with a gross weight of 16kg.

Chziri High Efficiency 3.7kw Variable Frequency Inverter Zvf300-G3r7/P5r5t4MD

Name: Chziri High Efficiency 3.7kw Variable Frequency Inverter Zvf300-G3r7/P5r5t4MD
Brand: Zhejiang Ziri Electrical Technology Co., Ltd.
SKU: 816913195

Zhejiang, ChinaZhejiang Ziri Electrical Technology Co., Ltd.

US$140.00-150.00

1 Piece

Sample price:US$147.00/piece.Request sample

Product profile

Customization

Available

Application

to Drive and Control The Speed of Motor

Output Type

Triple

Model NO.

ZVF300-G3R7/P5R5T4MD

Principle of Work

AC Inverter

Switch Mode

Sensorless Vector Control (SVC), V/F 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

General Type

Brand

Chziri

Color

Black

Power

3.7kw

Input Voltage

Three Phase, 380V ± 20%.

Input Frequency

50/60Hz

Overload Capacity G Type

150% 1minute, 180% 1 Second, 200% Transient G Type

Overload Capacity P Type

120% 1minute, 150% 1 Second, 180% Transient P Type

Net Weight

14kg/4PCS

Gross Weight

16kg/4PCS

Packing Size

251*185*240mm/1PCS

OEM

Yes

Transport Package

Standard Export Package

Specification

Zvf300-G3R7/P5R5T4MD

Trademark

CHZIRI, OEM

Origin

China

HS Code

8504409999

Production Capacity

5000PCS/Month

Key features

Wide Application Range: Suitable for metallurgy, textile, food, water pumps, and more for AC motor speed control.

Advanced Control Functions: Features Auto V/F optimization, Built-in PID, and multiple frequency setting methods.

Comprehensive Protection: Includes input phase loss, over current, overload, over/under voltage, and over heat protection.

Flexible Braking Options: Supports dynamic braking with external resistor and DC braking with adjustable parameters.

OEM and Customization: Offers full customization, minor customization, and customization from samples or designs.

High Efficiency Energy Saving: Auto energy-saving operation with optimized V/F curve for significant power conservation.

Robust Communication: Equipped with RS485 serial communication for easy integration and monitoring.

Stable Operation Performance: Ensures stable operation with soft start, self-diagnostics, and fault auto-reset capabilities.

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: ≤2.79h

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.