What is the cantilever strength of the insulator?

The cantilever strength is 12.5 kN for the specified ANSI class models.

ANSI 57-3 Porcelain Post Line Insulator for Transmission Line

Name: ANSI 57-3 Porcelain Post Line Insulator for Transmission Line
Brand: Liling Sky Bali Industrial Co., Ltd.
SKU: 850419755

Hunan, ChinaLiling Sky Bali Industrial Co., Ltd.

US$5.80

5,000 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Application

High-voltage, High-temperature

Material

Porcelain

Model NO.

ANSI 57-3

Structure

Post Insulator

Type

A Type Insulator

Usage

High Voltage Power Transmission, Insulation, Electrical Installation

Connection Method

Trough Type

Size of Bearing Capacity

550KN

Certification

ISO9001

Color

Grey / Brown

Brand

Tkbl

Delivery Time

50 Working Days

OEM

Accepted

Warranty

1 Year

ODM

Accepted

Transport Package

Carton + Pallet

Specification

ANSI

Trademark

TKBL

Origin

China

HS Code

8546209090

Production Capacity

5000000/Year

Key features

High Voltage Transmission: Designed for high voltage power transmission and electrical installation applications.

Superior Durability: Features strong aging resistance and long service time with low and medium temperature resistance.

Customizable Colors: Available in grey and brown colors with common glaze and semi-conductor glaze options.

OEM/ODM Accepted: Supports OEM and ODM customization services for tailored product requirements.

ISO9001 Certified: Manufactured under ISO9001 certification ensuring quality standards.

Free Sample Offer: Provides free samples for professional porcelain insulator evaluation.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceSelf-brandedCustomization from Designs

Liling Sky Bali Industrial Co., Ltd.

Hunan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2014-06-09Nearest Port: Shenzhen, ShanghaiAverage Response Time: ≤3.01hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, FCA

AI-Powered supplier vetting

SummaryThe supplier is identified as a limited trading company in Liling City, Zhuzhou, offering metal accessories, transformer equipment, ceramic insulators, composite insulators, glass insulators, and related products. It reports inventory capability, a stated annual productivity of 10,000 tons of insulators, sample- and design-based customization, ODM services, and OEM services for popular brands. It also reports customers in more than 20 countries and 50 qualified service suppliers. However, several controls lack documented records, including corrective and preventive actions, complaint handling, supplier-service assessment, and quality assurance status. Innovation evidence is weak: one R&D engineer, no new products launched in the past year, and no available SDK. It has no overseas warehouse or showroom, and no factory environmental impact assessment report was provided. Financial information is limited to year labels without substantive indicators, so financial credibility cannot be determined.

Supplier typeThe supplier is explicitly identified as a limited company and a trading company, located in Liling City, Zhuzhou. Its stated product scope covers metal accessories, transformer equipment, ceramic insulators, composite insulators, glass insulators, and related products, indicating a trading-oriented supplier with a broad associated product offering.

R&D capabilityInnovation evidence is limited: the supplier reports one R&D engineer, no new products launched in the past year, no available SDK, and no product information indicating new-product development. ODM service is available, but this does not establish strong internal innovation performance.

Production capacityThe supplier reports annual productivity of 10,000 tons for insulators, inventory capability, 50 qualified suppliers, and a product scope that includes several insulator categories. However, the manufacturing-capacity contract status is unknown, and the stated peak-season lead-time entry is inconsistent and unclear, limiting verification of reliable production capacity.

Customization capabilityThe supplier explicitly offers customization from samples and from designs, as well as ODM services. These statements provide direct evidence of both sample-based and design-based customization capability.

Client casesThe supplier reports that repeat buyers represent 50%–80% and claims long-term business relationships with customers in more than 20 countries across Europe, America, the Middle East, and Asia and Africa. These are direct indicators of customer reach and repeat business, although no named customer cases or independently verifiable project details are provided.