What is the mechanical endurance of the breaker?

It has a mechanical endurance of 10,000 operations.

Is the product suitable for pole-mounted installation?

Yes, it is specifically designed for pole-mounted installation.

What is the minimum order quantity?

The minimum order quantity is 1 piece.

Fzw28-12 Three Phase Sf6 Load Switch Zero-Sequence CT for 10kv Feeder T-Joint Line

Name: Fzw28-12 Three Phase Sf6 Load Switch Zero-Sequence CT for 10kv Feeder T-Joint Line
Brand: Donghua Electric Stock Co., Ltd. of Zhejiang
SKU: 1998303711

Zhejiang, ChinaDonghua Electric Stock Co., Ltd. of Zhejiang

US$800.00

1 Piece

Sample price:US$800.00/piece.Request sample

Product profile

Customization

Available

Breaking Capacity

High Voltage Circuit Breakers

Operation

Manual Type or Electric Type

Model NO.

FZW28-12

Speed

Normal Type Circuit Breaker

Arc-extinguishing Medium

SF6

Installation

Fixed

Structure

Pole-Mounted 12kv Sf6 Primary-Secondary Integrated

Poles Number

Type

Circuit Breaker

Function

Conventional Circuit Breaker, Overcurrent Protection

Certification

ISO9001-2000, CE, CCC

Product Type

Boundary Vacuum Load Switch

Transport Package

1PCS/CTN

Specification

630A

Trademark

DHECN

Origin

China

Key features

High Breaking Capacity: Rated short-circuit breaking current up to 25kA for reliable protection.

Vacuum Arc Extinguishing: Uses vacuum medium for superior arc extinction and long service life.

Flexible Operation Modes: Available in manual or electric operation types to suit different needs.

Comprehensive Protection: Provides overload, short-circuit, and instantaneous trip protection.

Customization Options: Offers full, flexible, minor, and design-based customization services.

High Mechanical Endurance: Mechanical endurance of 10,000 operations and 10,000 current breaking times.

Multiple Disconnector Options: Optional single-side, double-side, or upper disconnector knife configurations.

Certified Quality: Holds ISO9001, CE, and CCC certifications for global compliance.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceSelf-brandedExhibition Experience

Donghua Electric Stock Co., Ltd. of Zhejiang

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 20 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤1.63h

AI-Powered supplier vetting

SummaryThe supplier is a limited company with 110 employees, three production lines, and a product portfolio covering power supplies, transformers, fuses, and isolation switches. It demonstrates broad customization and ODM capability, has introduced new products within the past year, and maintains documented R&D and engineering procedures. Production controls include standardized finished-product inspection, but there is no ongoing batch quantity reconciliation. The supplier exports extensively, serves multiple international markets, and reports one-month lead times in both peak and off-peak seasons. It lacks overseas warehouses, showrooms, agents, branches, and available SDK support. Evidence of financial credibility and formal certifications is insufficient, while OEM service for well-known brands provides some customer-reference evidence.

R&D capabilityThe supplier reports new products within the past year, offers ODM services, and maintains design-input, output, review, verification, and validation documents available for audit. Its lack of an available SDK is a limitation, but the documented R&D process and recent product development support a positive assessment of innovation capability.

Production capacityThe supplier operates three production lines, has multiple named facilities, uses documented and uniformly followed finished-product inspection instructions, and reports one-month lead times in both peak and off-peak seasons. However, it does not continuously reconcile quantities for each batch or mass production, representing a stated production-control weakness.

Customization capabilityBoth slices list customization from samples, full customization, flexible customization, minor customization, and customization from designs. The supplier also provides ODM services, giving explicit evidence of broad customization capability.

Client casesThe supplier states that it provides OEM services for well-known brands and has participated in the Guangzhou Export Commodities Fair. These are relevant market-experience indicators, but no customer names, project details, order references, or verifiable case outcomes are provided.