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.

Jn22-40.5 Indoor 40.5kv Cabinet Earthing Switch

Name: Jn22-40.5 Indoor 40.5kv Cabinet Earthing Switch
Brand: Donghua Electric Stock Co., Ltd. of Zhejiang
SKU: 1998848851

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

US$110.00

1 Piece

Sample price:US$200.00/piece.Request sample

Product profile

Customization

Available

Type

High-voltage

Structure

Three-column Disconnector

Model NO.

JN22-40.5

Installation

Indoor High-voltage

Operation

Manual & Electric Dual Purpose

Grounding Mode

Grounding

Movement Mode

Horizontal Rotary Type

Number of Poles

Three Pole

Grounding

Single Ground

Series

Three

Run

Horizontal Rotation

Switching Mode

Single Throw-in

Common Model

Jn22-40.5/31.5

Structure of Operating

Manual and Electric Dual Operation Structure

Certification

CE, ISO9001

Brand

Dhecn

Transport Package

1PCS/CTN

Specification

630A/1250A

Trademark

DHECN

Origin

China

Key features

Max 40.5kA short-circuit withstand capacity for safe power system protection

Stable arc suppression design ensures long service life of the disconnector

Manual / motorized two operation types for different installation requirements

Visible isolation + grounding interlock guarantee maintenance safety

Custom sizes, structures and solutions supported according to drawings

10,000 times mechanical operation endurance with stable performance

Optional single/double/top earthing knife assembly 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: ≤0.96h

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.