High Pollution Flashover Resistance Ceramic Insulator 725kv Gw4 Series Isolator Switch

Name: High Pollution Flashover Resistance Ceramic Insulator 725kv Gw4 Series Isolator Switch
Brand: Zhejiang Hairui Electric Co., Ltd.
SKU: 2294483515

Zhejiang, ChinaZhejiang Hairui Electric Co., Ltd.

US$1,500.00

1 Piece

Sample price:US$1500.00/piece.Request sample

Product profile

Customization

Available

Type

High-voltage

Structure

Double-column Disconnector

Model NO.

GW4-72.5

Installation

Outdoor High-voltage

Operation

Manual and Electric

Grounding Mode

Grounding

Movement Mode

Horizontal Rotary Type

Number of Poles

Three Pole

Grounding

Double Ground

Series

Other

Run

Other

Switching Mode

Double-Throw Type

Common Model

Gw4-72.5

Structure of Operating

Other

Certification

ISO, CE, IS9001

Product Name

Isolator Switch

Service

OEM/ODM

Warranty

12 Months

Customize

Yes

Rated Voltage

72.5kv

Rated Frequency

50Hz

Mechanical Lifespan

2000times

Rated Current

400/630/1000/1250/1600/2000/3150/4000A

1min Power Frequency Withstand Voltage

to Earth : 140kv Fracture : 160kv

Lightning Surge Withstand Voltage

to Earth : 325kv Fracture : 375kv

4s Short-Time Withstand Current

16/20/31.5/40/50ka

Peak Withstand Current

40/50/63/80/100/125ka

Transport Package

Wooden Crate Packaging

Specification

customize

Trademark

HaiRui

Origin

Zhejiang China

Company profile

Cooperated with Fortune 500Management CertificationR&D CapabilitiesCustomization from Samples

Zhejiang Hairui Electric Co., Ltd.

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.Export Year: 2025-12-06 CertifiedNearest Port: Ningbo PortAverage Response Time: ≤0.85h

AI-Powered supplier vetting

SummaryThe supplier presents itself as a professional technical manufacturer with production equipment, standardized finished-product inspection, quality assurance, material traceability, 3D design, and broad customization capabilities. It reports OEM and ODM services and exports representing 51%–70% of total sales. However, the evidence also shows no new products in the past year, no SDK, no overseas agents, branches, warehouse, or showroom, and no participation in offline trade shows. Corrective-action and complaint-handling procedures exist but lack written records. Supplier-management controls are weak because there are no written assessment procedures or approved supplier lists, and no valid manufacturing-capacity contract with related subcontractors is reported. Financial credibility cannot be positively assessed from the provided figures, which are stated as zero for the reported periods.

Supplier typeThe supplier is explicitly identified as a professional technical supplier and reports R&D capability, 3D software design services, manufacturing equipment, and export activity of 51%–70% of total sales. These details support classification as a technical manufacturing supplier with international sales exposure.

CertificationsThe supplier states that it is certified to ISO 9001 and ISO 9002 quality management systems and claims recognition as a National High-Tech Enterprise and a Top 10 Well-Known Brand of Prefabricated Substations. The certification wording contains apparent transcription errors, so the stated certifications are evidence of claimed quality credentials but not independently verified here.

Production capacityThe supplier reports technical expertise, production facilities, advanced manufacturing processes, and equipment including machining, bending, assembly, cutting, laser cutting, welding, electrical leakage testing, and a partial-discharge lightning test laboratory. It also has inventory capability, standardized finished-product inspection instructions, and one-month average lead times in both peak and off-season periods. Nevertheless, no valid contract with related subcontractors is reported, creating a documented capacity-management concern.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, and minor customization, supported by 3D software design services and ODM capability. This demonstrates broad stated customization coverage.