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Transformer Insulation and Components

The world's broadest portfolio of safe and reliable transformer insulation and components

Transformers are essential parts of our electric power infrastructure. Transformer components, such as bushingstap-changersinsulation, accessories, and other transformer consumables are essential parts of ensuring that transformers operate reliably and safely.

We are continually addressing major transformer technology trends and market challenges in the transformer industry with innovative products that meet or surpass the demanding requirements of today's transformer customers and transformer standards. As a leading component manufacturer, Hitachi Energy is active in the research and development of competitive products that improve equipment safety, power reliability, and efficiency, while at the same time, minimizing environmental impact.

We offer the broadest range of transformer insulation and components products and services to original equipment manufacturers and distributors for power and distribution transformers. From replacements to upgrades, and mechanical to digital, we have been the supplier of choice for over 100 years by meeting the diverse needs of an evolving industry.

Our offering


Composite insulators


TXpert™ Ready Sensors

De-energized tap-changers and switches

Measurement and safety devices

Mechanical components and valves

Insulation components and materials

Composite utility poles

Interactive tools

Virtual Transformer Insulation and Components Showroom

Ordering data software for tap-changers and motor-drives

As a transformer designer, you constantly face the challenge of choosing the right accessories for the transformers.

Tap-changer and bushing selection program Compas

Selecting components can be a challenging task for transformer design engineers, especially during the tendering stage as time can be of the essence.

Bushing searches and Certified Test Reports

Hitachi Energy has introduced many online utilities to facilitate your search for transformer bushings.

Customer log-in for the Alamo Power Transmission Online

Check your order history to see if any orders have been shipped out instantly.

Alamo Vendor Online

Welcome to the Alamo Tennessee Vendor Information Online

Gas Detector Relay (GDR) Test Report Search

Search for GDR test reports by serial number

Zenox Assembly Quote Request Form

Request for a Zenox Assemby quotation

Get to know more

Delivery times for transformer insulation and components

Delivery information is available for tap-changers and bushings from our different production sites.

Transformer insulation and components brochure

The world's broadest and most reliable portfolio of transformer insulation and components.


Hitachi Energy offers distribution and power transformers, dry-type and liquid-filled transformers as well as services, to be used in utility, industrial and commercial applications.

Transformer Insulation and Components News

Power Transformers

Distribution Transformers

Dry-type distribution transformers

Special application transformers

Reactors and inductors

Силовые высоковольтные трансформаторы

Transformer service

Ingénieur de centrale électrique
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