H1: 4R Porcelain Insulator — Strain Type Class 54-4, Grey Glaze, CFE 52000-55 & ANSI C29.4 for Mexican Market

The 4R Porcelain Insulator / 4-R is a strain-type porcelain insulator, Class 54-4, with grey sand glaze and a smooth glass surface.

 

It is designed exclusively for the Mexican market and manufactured in compliance with CFE 52000-55, the Mexican Federal Electricity Commission specification for porcelain spool and strain insulators, as well as ANSI C29.4.

 

With a mechanical failing load of 89,000 N, LF dry flashover of 40 kV, wet flashover of 23 kV, leakage distance of 77 mm, and a mass of 1.9 kg, it is suitable for high-tension retention and dead-end applications in distribution networks.

 

This page provides the extracted product identification, dimensions, material, and manufacturing data for the 4R / 4-R Class 54-4 strain insulator.

 

H2: 4R Porcelain Insulator Technical Specifications

Item	Specification
Product Description	Porcelain Insulator Strain Type Class 54-4, 4-R
Drawing Revision	Rev. 3; Sheet 1 of 1
Marking	ANKER ELECTRIC 54-4 048
Target Market	Exclusively for the Mexican market
Color / Finish	Grey sand smooth glass surface
Applicable Specification	CFE 52000-55 / ANSI C29.4
Material	Porcelain 06 / 08
Mechanical Failing Load Test	89,000 N
Low Frequency Voltage Dry Flashover	40 kV
Low Frequency Voltage Wet Flashover	23 kV
Leakage Distance	77 mm
Mass	1.9 kg
IRSACLAVE	931130
IRSA Drawing Number	06000034
Sheet	1 of 1
Unit	mm
Version / Emission	B 01/11
Revision	Rev. 3

H2: 4R Porcelain Insulator Dimensions (mm)

Item	Value
Overall Height	172 ±6 mm
Hole Diameter	Ø26 ±2 mm
Right-View Marked Height	87 ±6 mm
Maximum Dimension	115 mm max
Top-View Outer Diameter	Ø89 ±4 mm
Top-View Related Width	61 ±2 mm
Bottom Bore / Related Dimension	26 ±2 mm

 

H2: 4R Porcelain Insulator Material & Construction

The 4R strain insulator Class 54-4 is made from Porcelain 06 / 08 and finished with a grey sand smooth glass surface. The strain-type construction is designed for dead-end, corner, angle, and tension applications in overhead distribution networks. The product is manufactured in compliance with CFE 52000-55, the official Mexican Federal Electricity Commission specification for porcelain spool and strain insulators, and also meets ANSI C29.4.

 

For related products, see our 3R Porcelain Insulator Strain Type Class 54-3 and the full range of porcelain strain insulators.

 

H2: 4R Porcelain Insulator Standards, Compliance & Manufacturing

• Specification: CFE 52000-55 — Aisladores de porcelana tipo carrete y retenida / Porcelain spool and strain insulators.
• CFE Standard Overview: 52000-55 — Technical requirements for acquisition and electromechanical characteristics.
• ANSI Standard: ANSI C29.4 — Wet-process porcelain insulators for strain applications.
• Material: PORCELAIN 06 / 08
• IRSACLAVE: 931130
• IRSA Drawing Number: 06000034
• Sheet: 1 of 1
• Unit: mm
• Version / Emission: B 01/11
• Revision: Rev. 3
• Official CFE Portal: https://www.cfe.mx/

 

H2: 4R Porcelain Insulator Applications & Installation

The 4R / 4-R Class 54-4 strain insulator is intended for the Mexican market and is typically used in dead-end structures, corner poles, angle poles, guy wire isolation, and tension applications in overhead distribution networks. Its strain-type design allows mounting with guy wire grips, bolts, and compatible hardware. For exact installation requirements, follow CFE 52000-55, ANSI C29.4, and the relevant project specification.

 

Explore our suspension insulators and insulator string assembly guide for more options.

 

H2: 4R Porcelain Insulator Quality & Performance Advantages

Porcelain construction offers strong resistance to UV radiation, bird pecking, and scratch damage. The grey sand smooth glass surface provides a self-cleaning property that helps reduce maintenance frequency. The 4R Class 54-4 insulator is designed for reliable electrical insulation and mechanical endurance in CFE-compliant Mexican distribution applications. As a product marked ANKER ELECTRIC 54-4 048, it is traceable to the IRSA drawing number 06000034 and complies with CFE 52000-55 and ANSI C29.4.

 

H2: Why Choose This 4R Porcelain Insulator / CFE 52000-55 & ANSI C29.4 Insulator

When selecting a porcelain strain insulator for the Mexican market, compliance and traceability are important. This 4R / 4-R Porcelain Insulator Strain Type Class 54-4 is marked ANKER ELECTRIC 54-4 048 and manufactured by Bonle (Fujian) Insulator Co., Ltd.

 

It combines grey sand glaze, Porcelain 06 / 08 material, an 89,000 N mechanical failing load, 40 kV dry flashover, 23 kV wet flashover, and 77 mm leakage distance in a durable 1.9 kg body. For comparison with ANSI-standard equivalents, see our ANSI 54-3 insulator page.

 

Note

• The designation 4-R appears together with CLASS 54-4 in the product description.
• The product is a strain-type porcelain insulator, Class 54-4, designated 4-R, compliant with CFE 52000-55 and ANSI C29.4.
• It is intended for the Mexican market.
• Source file: 4R ingles 2013.docx