What is the cantilever strength of the insulator?

The cantilever strength is 12.5kN.

What is the application voltage range?

The insulator supports application voltages ranging from 25kV to 66kV.

How is the quality controlled?

We perform 100% functional inspection on all finished products with 6 dedicated QA/QC inspectors.

Premium ANSI Certified Porcelain Insulator for Station Post Use

Name: Premium ANSI Certified Porcelain Insulator for Station Post Use
Brand: Jiangxi Johnson Electric Co., Ltd.
SKU: 2258455595

Jiangxi, ChinaJiangxi Johnson Electric Co., Ltd.

US$4.50

50-199 Pieces

US$3.20

200+ Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Application

High-voltage

Material

Porcelain

Model NO.

57-1

Structure

Post Insulator

Type

Other

Usage

High Voltage Power Transmission, Insulation, Driving, Electrical Installation

Connection Method

Other

Size of Bearing Capacity

12.5kN

Certification

CCC, CE, ISO9001

Color

Brown and White

Brand

MOQ

Transport Package

Wooden Box

Specification

multi-specification

Trademark

Origin

China

HS Code

8546209090

Production Capacity

5000000

Key features

High Mechanical Strength: Cantilever strength of 12.5kN ensures reliable performance under heavy loads.

Comprehensive Certifications: Certified by CCC, CE, and ISO9001 for quality and safety compliance.

Full Customization Available: Offers full, minor, and flexible customization options based on samples or designs.

Wide Voltage Range: Supports application voltages from 25kV to 66kV for various high-voltage needs.

Superior Insulation Performance: High flashover voltages ensure safety in both dry and wet conditions.

100% Quality Inspection: Every finished product undergoes strict functional inspection before shipping.

Fast Lead Time: Average lead time is one month for both peak and off-peak seasons.

Direct Manufacturer Supply: Produced by Jiangxi Johnson Electric Co., Ltd with three local factories.

Company profile

Exhibition ExperienceExperienced TeamProduction Process VisualizationCustomization from Samples

Jiangxi Johnson Electric Co., Ltd.

Jiangxi, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤1.44h CertifiedTerms of Payment: T/T, LC, D/P, etc.

AI-Powered supplier vetting

SummaryJiangxi Johnson Electric Company manufactures a broad range of electrical insulators and related fittings, with three production lines and 41–50 quality-control staff. It supports extensive customization, including customization from samples and designs, and follows uniform finished-product inspection instructions. However, the supplier reports no certification of management systems, no written procedures for service assessment, corrective actions, complaints, or quality assurance, and no overseas agents, warehouses, showrooms, or in-stock service. Its R&D evidence is limited: one year of R&D engineer experience is reported, with no new products in the past year, no ODM, 3D software design, SDK, or popular-brand OEM capability. Export sales account for 51%–70%, and the supplier has participated in one named offline trade show. Financial records are referenced for 2022–2024, but the provided slices do not establish financial strength.

Supplier typeThe supplier is an electrical-insulator manufacturer offering glass, porcelain, composite polymer insulators, transformer bushings, and end fittings. Its listed combined facilities include molding, drying, glazing, kiln, and related production equipment, supporting classification as a specialized manufacturing supplier.

CertificationsThe supplier reports no certification of supplier management systems. It also reports no written quality-assurance procedures or records, although finished-product inspection instructions are stated to be available and uniformly followed.

After-Sales capabilityThe supplier has no overseas agents or branches, overseas warehouse, showroom, inventory service, or written procedures and records for complaint handling, service assessment, or corrective and preventive actions. It does accept several quotation and payment terms and reports a one-month average lead time in both peak and off-season, but the documented after-sales infrastructure is deficient.

R&D capabilityInnovation evidence is weak: the supplier reports one year of total R&D-engineer experience, no new products in the past year, no 3D software design service, no ODM service, and no available SDK. It does offer several forms of design customization, but this does not establish strong product innovation capability.

Production capacityThe supplier operates three production lines, has 41–50 quality-control staff, and lists facilities covering molding, drying, glazing, kiln, and related processes. It also states that finished products are inspected under instructions that are uniformly followed; however, it reports no in-stock capacity and no valid manufacturing contract with associated subcontractors.

Customization capabilityThe supplier explicitly accepts customer designs and provides full, minor, flexible, sample-based, and design-based customization. This is direct evidence of broad customization capability, although 3D software design services are not provided.