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Porcelain Oil Bushings

Standards‑Compliant Design
Wide Voltage and Current Range

Proven Insulation for Oil‑Filled Transformer Applications

Porcelain oil bushings are a well‑established solution for safely transferring current through grounded transformer tanks while maintaining electrical insulation. Insulect supplies COMEM porcelain oil bushings, offering robust mechanical design, long‑term dielectric performance, and compliance with international standards for low‑ and medium‑voltage transformer applications.

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Application Overview

Porcelain oil bushings address the need for durable, moisture‑resistant insulation in oil‑filled transformer systems. COMEM designs solve key challenges by offering:

  • Long‑term insulation performance without ageing or degradation
  • High mechanical strength for heavy current conductors
  • Stable electrical characteristics under thermal and electrical stress
  • Compliance with widely adopted international and utility standards

This makes them a reliable choice for both new transformer builds and replacement or retrofit projects.

What We Solve For

Insulect helps customers overcome challenges where traditional materials or generic components fall short. Our insulation solutions address the need for high‑temperature stability, mechanical strength, electrical resilience, compatibility with complex assemblies, and long‑term reliability. Through tailored engineering support and advanced manufacturing capability, we ensure the right material is selected and fabricated to meet exact standards and operating conditions.
TECHNICAL

Features & Functionality

Proven Porcelain Insulation
Proven Porcelain Insulation

High‑quality porcelain is impervious to moisture and provides consistent dielectric performance over many years of service.

Wide Voltage and Current Range
Wide Voltage and Current Range

Available for low‑ and medium‑voltage applications with rated currents extending into the high‑ampere range.

Robust Mechanical Construction
Tailored Solutions for Complex Applications

Precision‑machined metal components and solid porcelain bodies deliver excellent mechanical strength and dimensional stability.

Standards‑Compliant Design
Standards‑Compliant Design

All bushings are electrically tested and manufactured in accordance with IEC, DIN, EN and related international standards.

Functionality & Options

  • Non‑condenser porcelain insulation design

  • Low‑ and medium‑voltage bushing configurations

  • Multiple fixing and mounting arrangements

  • Wide range of connecting flags for current connections

  • Options for different creepage distances and pollution levels

  • Custom configurations available on request

 

Key Specifications

  • Voltage range: Low to medium voltage (up to 52 kV depending on type)

  • Rated current: Up to 8000 A (product dependent)

  • Insulation material: High‑grade porcelain

  • Application: Oil‑filled transformers and electrical equipment

  • Compliance: IEC, DIN, EN, CENELEC and utility standards

  • Testing: Electrical testing in accordance with applicable standards

ADVANTAGES

Why Choose COMEM Porcelain Oil Bushings

Built on decades of proven performance in transformer applications, COMEM porcelain oil bushings offer a dependable insulation solution trusted across power and distribution networks worldwide. 
 
Proven Technology
Porcelain oil bushings represent a time‑tested insulation technology that has delivered reliable performance in transformer applications for decades. COMEM’s designs build on this legacy with modern manufacturing and quality control.
Large Installed Base
COMEM porcelain bushings are widely installed across power and distribution networks worldwide, providing confidence in long‑term performance, availability, and support.
Long Service Life
The inherent durability of porcelain insulation ensures stable electrical characteristics and minimal maintenance requirements over extended service lifetimes.
IMPLEMENTATION

Services & Support

Insulect offers comprehensive services and support for the products we manufacture and specialise in, enhancing value for local utilities, major energy users, equipment manufacturers, and service operators. 

LOCAL TECHNICAL TEAM

Our local technical team provides exceptional support and expertise, ensuring quick response times and personalised service to tackle any challenges that may arise during project execution.

  
ENGINEERING EXPERTISE

Through COMEM, our team utilises advanced technology and industry knowledge to assist customers.


  
PROCUREMENT & LOGISTICS

We facilitate smooth procurement and logistics processes by sourcing from trusted, proven partners and coordinating timely deliveries, ensuring projects remain on schedule and within budget.


  
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