H1: 1C Porcelain Insulator — Class 53-3 Spool Type, Grey Glaze, CFE 52000-55 for Mexican Market
The 1C Porcelain Insulator is a spool-type porcelain insulator, Class 53-3, 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-1.
With a mechanical failing load of 17,800 N, LF dry flashover of 25 kV, wet flashover of 12 kV vertical / 15 kV horizontal, and a mass of 0.55 kg, it is suitable for distribution insulator applications requiring reliable porcelain performance and CFE compliance.
H2: 1C Porcelain Insulator Technical Specifications
| Item | Specification |
| Product Description | Porcelain Insulator Spool Type Class 53-3, 1-C |
| Drawing Revision | Rev. 3; Sheet 1 of 1 |
| Marking | ANKER ELECTRIC 53-3 048 |
| Target Market | Exclusively for the Mexican market |
| Applicable Specification | CFE 52000-55 |
| Material | Porcelain 06 / 08 |
| Glaze / Finish | Grey sand glaze, smooth glass surface |
| Mechanical Failing Load Test | 17,800 N |
| Low Frequency Voltage Dry Flashover | 25 kV |
| Low Frequency Voltage Wet Flashover, Vertical | 12 kV |
| Low Frequency Voltage Wet Flashover, Horizontal | 15 kV |
| Mass | 0.55 kg |
| IRSACLAVE | 931130 |
| IRSACOTAS / Code Related | 060000194 mm |
| Version / Page Info | B 01/11; Sheet 1 of 1 |
H2: 1C Porcelain Insulator Dimensions (mm)
| Item | Value |
| Outer Diameter | Ø77 ±1.50 mm |
| Overall Height | 82 ±1.50 mm |
| Top Diameter / Flange | 53 ±1.50 mm |
| Top Related Dimension | 18 ±1.50 mm |
| Left-side Dimension on Right Drawing | 19 ±3 mm |
| Section Heights | 41 and 41 mm, total 82 mm |
| Bottom Bore / Related Dimension | 24 ±1.50 mm |
| Radius | R11 |
H2: 1C Porcelain Insulator Material & Construction
The 1C Porcelain Insulator Class 53-3 is made from Porcelain 06 / 08 and finished with a grey sand glaze that provides a smooth glass surface. The spool-type construction is compact and suitable for mounting on line poles and related distribution hardware.
The product is designed and manufactured in compliance with CFE 52000-55, the official Mexican Federal Electricity Commission specification for porcelain spool and strain insulators-1. For broader technical requirements on distribution insulators, refer to our porcelain spool insulator selection guide.
H2: 1C 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-4.
- Material: Porcelain 06 / 08
- IRSACLAVE: 931130
- IRSACOTAS / Code Related: 060000194 mm
- Version / Page Info: B 01/11; Sheet 1 of 1
- Marketer / Manufacturer: Bonle (Fujian) Insulator Co., Ltd.
- RFC: IRE781009 – T54
- Phone: (01-33) 37-96-01-41
- Official CFE Portal: https://www.cfe.mx/-21
H2: 1C Porcelain Insulator Applications & Installation
The 1C / 1-C Class 53-3 spool insulator is intended for the Mexican market and is typically used in low-voltage overhead distribution lines, secondary applications, service drops, neutral connections, secondary racks, and low-voltage pole line hardware. Its spool-type design allows mounting with spool bolts, insulator clevises, and secondary racks.
For exact installation requirements, follow CFE 52000-55 and the relevant project specification. Related products in the same family include the ANSI 53-3 porcelain spool insulator and our full range of porcelain spool and strain insulators.
H2: 1C Porcelain Insulator Quality & Performance Advantages
Porcelain construction offers strong resistance to UV radiation, bird pecking, and scratch damage. The grey sand glaze provides a smooth glass surface that supports self-cleaning performance and helps reduce maintenance frequency.
The 1C Class 53-3 insulator is designed for reliable electrical insulation and mechanical endurance in CFE-compliant Mexican distribution applications. As a LAPEM-approved manufacturer, Bonle (Fujian) Insulator Co., Ltd. supplies products under the ANKER ELECTRIC brand with full CFE traceability-35.
H2: Why Choose This 1C Porcelain Insulator / CFE 52000-55 Insulator
When selecting a porcelain spool insulator for the Mexican market, compliance and traceability are important. This 1C Porcelain Insulator Spool Type Class 53-3 is marked ANKER ELECTRIC 53-3 048 and manufactured by Bonle (Fujian) Insulator Co., Ltd.
It combines CFE 52000-55 compliance, grey sand glaze, 17,800 N mechanical failing load, 25 kV dry flashover, and 12 kV / 15 kV wet flashover performance in a compact 0.55 kg porcelain body. For comparison with ANSI-standard equivalents, see our ANSI 53-3 insulator page.
Note
- The designation 1-C appears together with CLASS 53-3 in the product description.
- No other independent 1-C notes were found in the source document.
- Product is designed and manufactured in compliance with CFE 52000-55, the Mexican Federal Electricity Commission specification for porcelain spool and strain insulators-1.
- Source file: 1C ingles 2013.pdf


