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Yes, 100% of finished products undergo visual and function inspection by packing staff.

2-Pole 400V Solar Mini Circuit Breaker for PV Systems

Name: 2-Pole 400V Solar Mini Circuit Breaker for PV Systems
Brand: Wenzhou Hengkuo Electric Co., Ltd.
SKU: 2155117252

Zhejiang, ChinaWenzhou Hengkuo Electric Co., Ltd.

US$5.50

20 Pieces

Product specifications

Color

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Operation

Manual Type

Model NO.

HKBZ

Speed

Normal Type Circuit Breaker

Arc-extinguishing Medium

Air

Installation

Fixed

Structure

MCB

Poles Number

Type

Circuit Breaker

Function

Circuit-Breaker Failure Protection

Rated Current

100 AMPS

Rated Voltage

400V AC

Rated Impulse Withstand

4kv

Mounting

35mm DIN Rail

Transport Package

Box

Specification

HKBZ

Trademark

HEVGKEOU

Origin

China

Key features

125A 3-Pole Design: Handles heavy three-phase loads up to 125A for factories and solar installations.

400V AC Rated: Compatible with European, Asian, and global three-phase grids (230/400V 50/60Hz).

DIN Rail Mount: Standard 35mm rail mounting fits neatly into distribution boards and control panels.

Dual Power Changeover: Automatically switches between Utility Grid, Solar Inverter, and Backup Generator.

Uninterrupted Operation: Seamless transfer ensures critical equipment stays powered during outages.

Adjustable Delays: Configurable transfer and return delays prevent nuisance switching.

Comprehensive Protection: Detects undervoltage, overvoltage, or phase loss to automatically transfer load.

Minor Customization: Offers flexible and full customization options for specific needs.

Company profile

High Repeat Buyers ChoiceImporters and ExportersFast DeliveryQA/QC Inspectors

Wenzhou Hengkuo Electric Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Full Customization, Flexible customization, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤1.03h CertifiedTerms of Payment: LC, D/P, T/T, etc.

AI-Powered supplier vetting

SummaryThe supplier manufactures and sells electrical, security, motor-related, and household-appliance products, including distribution box fire-extinguishing devices and dual power converters. It reports 16 years of development and integrated design, mold-making, injection molding/pressing, and assembly capabilities, with flexible through full customization available. Export sales account for 51%–70% of total sales, but exporting began only one year ago and no overseas branches, agents, warehouse, showroom, or offline trade-show participation are reported. Quality staffing is inconsistently described: one quality inspector is listed in one slice, while another reports 21–30 quality-control staff; finished products are checked by packing staff. Service procedures exist in some areas but lack written records, and no overseas service infrastructure is reported. Financial figures are excluded under the privacy requirement, and the supplied financial fields are insufficient for a reliable credibility judgment. No...

Supplier typeThe supplier is presented as a manufacturer and seller of electrical accessories, security equipment, motors/components, and household appliances. Its described integrated manufacturing model covers design, mold making, injection molding or pressing, and assembly, indicating a manufacturing-oriented supplier rather than a pure trading company.

After-Sales capabilityThe supplier reports procedures for corrective and preventive actions and customer complaints, but no written records are maintained; its service-capability assessment also has no written procedures or followed records. It has no overseas warehouse, showroom, agent, branch, or overseas service country listed, indicating limited documented after-sales infrastructure.

Production capacityThe supplier reports 16 years of development and integrated design, mold making, injection molding or pressing, and assembly, alongside manufacturing activities covering electrical, security, motor-related, and household-appliance products. However, the stated annual production output is below the supplied threshold, so production scale is not clearly strong.

Customization capabilityCustomization is explicitly offered across minor customization, flexible customization, and full customization. The integrated design, mold-making, molding or pressing, and assembly capabilities further support the supplier’s ability to execute customized products.

Product Q&A

Q:What is the rated current and voltage?

The switch is rated for 125 Amps at 400V three-phase.

Q:How does the automatic transfer work?

It continuously monitors the primary power source and automatically transfers the load to a secondary source (generator or solar inverter) upon detecting failures like undervoltage or phase loss.

Q:What is the mounting type?

It is designed for DIN rail mounting, specifically standard 35mm rails.

Q:Is customization available?

Yes, we offer minor customization, flexible customization, and full customization options.

Q:What is the lead time for orders?

The average lead time is one month for both peak and off-peak seasons.