What certifications does the product have?

The product holds CE and ISO9001 certifications.

How does the design prevent string cracks?

The cap, pin, and fittings can mutually rotate to make uniform stress on the transmission line during emergencies.

What is the minimum nominal creepage distance?

The minimum nominal creepage distance is 700 mm.

840kN High Voltage DC Disc Suspension Toughened Glass Insulator

Name: 840kN High Voltage DC Disc Suspension Toughened Glass Insulator
Brand: Nanjing Rainbow Electric Co., Ltd.
SKU: 1985001121

Jiangsu, ChinaNanjing Rainbow Electric Co., Ltd.

US$4.00-12.00

100 Pieces

Sample price:US$12.00/piece.Request sample

Product profile

Customization

Available

Application

High-voltage

Material

Toughened Glass

Model NO.

840kN

Structure

Suspension Insulator

Type

B Type Insulator

Usage

High Voltage Power Transmission, Insulation, Electrical Installation

Connection Method

Trough Type

Size of Bearing Capacity

840kN

Certification

CE, ISO9001

Color

Green

Brand

NJREC or OEM

Cap Material

Galvanized Steel

Surface Treatment

Hot DIP Galvanized

Nominal Diameter

400mm

Nominal Structure

300 mm

Minimum Nomial Creepage Distance

700 mm

Connect tag

40R

Coupling

Delivery

Sea

Delivery Time

15 Days

Transport Package

Carton/Wooden Pallet

Specification

Customized

Trademark

NJREC

Origin

Nanjing, China

HS Code

85469010

Production Capacity

500000 Pieces/ Year

Key features

High Voltage Capacity: Designed for 840kN bearing capacity suitable for high, ultra-high, and extra-high voltage transmission lines.

Toughened Glass Material: Constructed with toughened glass shells and galvanized steel caps for superior insulation and durability.

Advanced Cylinder Head: Features small size, lightweight design, high strength, and large creepage distance to save material.

Stress Distribution Design: Cap, pin, and fittings rotate mutually to ensure uniform stress and prevent string cracks during emergencies.

Versatile Application: Ideal for AC/DC transmission lines and electrical railway overhead lines for insulation and suspension.

Global Certifications: Certified with CE and ISO9001 standards ensuring quality and safety compliance.

OEM Branding Available: Brand can be customized as NJREC or OEM to meet specific client requirements.

Fast Delivery: Off-season delivery within 15 workdays; peak season lead time is one month.

Company profile

Nanjing Rainbow Electric Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading Company, Group CorporationExport Year: 2002-02-10Nearest Port: Shanghai Port, China, Nanjing Port, China, Ningbo Port, ChinaAverage Response Time: ≤1.85hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, DAP, FCA, EXW

About Our Factory & Business Background

AddressNo. 396 Heyan Road, Nanjing, Jiangsu, China

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsTransformer Bushing, Porcelain Insulator, Composite Insulator, Condenser Bushing, Glass Insulator, Insulation Materials, Wall Bushing, Porcelain Bushing, Tap Changer