What protection functions does this circuit breaker provide?

It provides conventional circuit breaking, circuit-breaker failure protection, and overcurrent protection.

Which ports are used for export?

The nearest ports for export are Chengdu, Shanghai, and Guangzhou.

12kv Vacuum Interrupter for Circuit Breaker 1250A (1221)

Name: 12kv Vacuum Interrupter for Circuit Breaker 1250A (1221)
Brand: Chengdu Kaisaier Science and Technology Co., Ltd
SKU: 940544325

Sichuan, ChinaChengdu Kaisaier Science and Technology Co., Ltd

US$85.64-116.78

3 Pieces

Product profile

Customization

Available

Breaking Capacity

High Voltage Circuit Breakers

Operation

Electric Type

Model NO.

TD-12/1250-25Q(1221)

Speed

Normal Type Circuit Breaker

Arc-extinguishing Medium

Vacuum

Installation

Fixed

Structure

ACB

Poles Number

Type

Circuit Breaker

Function

Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection

Certification

ISO9001-2000

Rated Voltage

12kv

Rated Current

1250A

Rated Short-Circuit Braking Current

25ka

Mechanical Endurance

10000 Operations

Max Diameter

φ80

Installation Height

195

Matched Vcb

Zw32

Transport Package

Pallet/Carton

Trademark

Kaisaier

Origin

China

HS Code

8538900000

Production Capacity

5000picese/Year

Key features

High Voltage Breaking Capacity: Designed for high voltage circuit breakers with 1250A rated current and 25ka short-circuit braking current.

Vacuum Arc-Extinguishing Technology: Utilizes vacuum as the arc-extinguishing medium for reliable performance in fixed ACB structures.

High Mechanical Endurance: Capable of withstanding 10000 operations, ensuring long-term durability and stability.

Comprehensive Protection Functions: Provides conventional circuit breaking, failure protection, and overcurrent protection capabilities.

ISO9001-2000 Certified Quality: Manufactured under strict ISO9001-2000 standards to ensure consistent product quality.

Flexible Lead Time Options: Offers within 15 workdays lead time during off-season and one month during peak season.

Multiple Payment Terms: Supports flexible payment methods including LC and T/T for international trade convenience.

Global Export Experience: Exports to South America, Eastern Europe, and Southeast Asia with multiple Incoterms support.

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.