How should the product be inspected before use?

Perform an appearance inspection, ensure no abnormal sound when shaking the tube, and clean the VI ceramic with a dry cloth and alcohol before high voltage testing.

Customized 12kv MCCB Circuit Breaker 4000A Vacuum Arc Extinguishing Chamber

Name: Customized 12kv MCCB Circuit Breaker 4000A Vacuum Arc Extinguishing Chamber
Brand: Chengdu Kaisaier Science and Technology Co., Ltd
SKU: 625367274

Sichuan, ChinaChengdu Kaisaier Science and Technology Co., Ltd

US$213.19-290.71

3 Pieces

Product profile

Customization

Available

Breaking Capacity

High Voltage Circuit Breakers

Operation

Manual Type

Model NO.

TD-12/4000-50(1050)

Speed

Normal Type Circuit Breaker

Arc-extinguishing Medium

Vacuum

Installation

Fixed

Structure

ACB

Poles Number

Type

Circuit Breaker

Function

Current Breaking

Certification

ISO9001-2000

Rated Voltage

12kv

Rated Current

4000A

Rated Short-Circuit Braking Current

50ka

Mechanical Endurance

10000 Operations

Max Diameter

φ123

Installation Height

193

Matched Vcb

Vs1(Zn63)

Transport Package

Carton\Pallet

Trademark

Kaisaier

Origin

China

HS Code

8538900000

Production Capacity

5000picese/Year

Key features

High Breaking Capacity: Designed for high voltage applications with robust current breaking function.

Vacuum Arc Extinguishing: Utilizes vacuum technology for efficient and safe arc extinction.

Customizable Specifications: Rated voltage, current, and short-circuit braking current can be customized.

ISO9001-2000 Certified: Manufactured under strict ISO9001-2000 quality management standards.

High Mechanical Endurance: Rated for 10,000 mechanical operations for long-term reliability.

Fixed Installation Type: Designed for fixed installation with a compact ACB structure.

Company profile

Patents AwardedCustomization from DesignsOEM ServicesManagement Certification

Chengdu Kaisaier Science and Technology Co., Ltd

Sichuan, China

Business Type: Manufacturer/FactoryExport Year: 2020-11-09Nearest Port: Chengdu, Shanghai, GuangzhouAverage Response Time: >24hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CIF, DAT, DDP

AI-Powered supplier vetting

SummaryThe supplier demonstrates documented quality, corrective-action, complaint-handling, supplier-assessment, and finished-product inspection procedures. It holds ISO9001:2015, ISO14001, and ISO45001:2018 certifications, reports OEM service for well-known brands, and has collaborated with Fortune 500 companies. Customization is available from designs and samples, supported by six R&D engineers. Manufacturing evidence shows one production line, inventory capability, valid contracts with associated subcontractors, and an outsourcing SOP, but no ongoing batch quantity reconciliation. After-sales support is stated, while overseas service infrastructure is limited: no overseas warehouse, showroom, agents, branches, or identified overseas service countries. Financial information is represented only by years, without sufficient evidence to assess financial credibility.

Supplier typeThe supplier provides OEM services for well-known brands, offers design and sample customization, maintains inventory capability, and exports through agents and/or its own import-export rights. However, it reports no overseas agents or branches and no identified overseas service countries, indicating an export-oriented manufacturer with limited direct overseas infrastructure.

CertificationsThe supplier reports ISO9001:2015, ISO14001, and ISO45001:2018 certifications, covering quality, environmental, and occupational health and safety management. These certifications provide explicit evidence of formal management-system certification.

After-Sales capabilityThe supplier states that it provides comprehensive after-sales support and has documented, followed procedures for corrective and preventive actions, customer complaints, and service-capability assessment. It also has inventory capability, but lacks overseas warehouses, showrooms, agents, and branches, which limits the demonstrated reach of direct overseas after-sales service.

Production capacityThe supplier reports one production line, inventory capability, valid manufacturing-capacity contracts with each associated subcontractor, and an established outsourcing SOP. Finished-product inspection instructions are uniformly followed, but the factory does not conduct ongoing quantity reconciliation for every batch or mass-production run.

Customization capabilityThe supplier explicitly offers customization from designs and from samples and describes customized solutions tailored to customer needs. This provides direct evidence of design- and sample-based customization capability.

Client casesThe supplier reports OEM cooperation with well-known brands, collaboration with Fortune 500 companies, and participation in the Bangladesh Power Exhibition. These are explicit customer or market-experience indicators, although no customer names, project details, or performance outcomes are provided.

Product Q&A

Q:What are the customizable options for this circuit breaker?

You can customize the rated voltage (12kv), rated current (4000A), rated short-circuit braking current (50ka), mechanical endurance, max diameter, installation height, and matched VCB.

Q:What is the breaking capacity and arc-extinguishing medium?

The circuit breaker features a high breaking capacity suitable for high voltage applications and uses vacuum as the arc-extinguishing medium.

Q:What certifications does the product have?

The product is certified under ISO9001-2000 standards.

Q:What is the mechanical endurance of the circuit breaker?

The mechanical endurance is rated for 10,000 operations.

Q:What are the payment terms and lead times?

Payment terms include LC and T/T. Lead time is within 15 workdays during off-season and one month during peak season.