Are the bushings suitable for outdoor use?

Yes, all outdoor bushings are manufactured and tested to meet various environmental conditions with a wide variety of creepage distances.

What certifications do your products have?

Our products are certified with CE and ISO9001.

20NF 4500A Porcelain bushing insulator

Name: 20NF 4500A Porcelain bushing insulator
Brand: Nanjing Rainbow Electric Co., Ltd.
SKU: 2027780045

Jiangsu, ChinaNanjing Rainbow Electric Co., Ltd.

US$4.00-6.00

100 Pieces

Product profile

Customization

Available

Application

High-voltage

Material

Composite Polymer

Structure

Hollow Insulator

Type

A Type Insulator

Usage

High Voltage Power Transmission, Electrical Installation

Connection Method

Trough Type

Certification

CE, ISO9001

Color

Gray

Brand

NJREC or OEM

Materials

Silicone Rubber

Delivery

15 Days

Transport Package

Wooden Pallet

Trademark

NJREC

Origin

China

HS Code

85462090

Key features

Wide Voltage Range: Available ratings from 1kV to 52kV for diverse power transmission needs.

High Current Capacity: Supports currents up to 12500A with various creepage distances.

Standard Compliance: Manufactured and tested per IEC60137, DIN42533, and EN50180 standards.

Customizable Terminations: Air and oil end terminations can be tailored to customer requirements.

Surface Finish Options: Metal parts can be tin plated, galvanized, or copper plated as requested.

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

Flexible Payment Terms: Accepts LC, T/T, PayPal, Western Union, and small-amount payments.

Global Certification: Products hold CE and ISO9001 certifications for quality assurance.

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: ≤2.54hTerms 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

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:What standards do your transformer bushings comply with?

Our bushings are manufactured and tested in accordance with IEC60137. They adhere to historical DIN specifications (DIN42533) and the latest EN specifications (EN50386 & EN50180).

Q:What is the maximum voltage and current rating?

We offer ratings from 1kV through to 52kV and up to 12500A. The maximum rated voltage ranges from 12kV to 52kV, and current from 250A to 4500A.

Q:Can the surface finish of metal parts be customized?

Yes, we can customize the surface finishing of metal parts according to customer requirements, including tin plating, galvanizing, and copper plating.

Q:What are the lead times for delivery?

The average lead time is within 15 workdays during the off-season and one month during the peak season.

Q:What payment methods do you accept?

We accept LC, T/T, PayPal, Western Union, and small-amount payments.