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High-voltage air-insulated circuit-breakers


ABB ultra-high voltage technology boosts clean energy supply in China

ABB is supplying ultra-high voltage Live Tank Circuit Breakers (LTB) to protect the network, prevent power outages and safeguard clean reliable power supply to millions of people.

Isolating a DCB using live line working

As it becomes more and more common with live working, performed by special trained staff, the question has been raised if it is possible to use the manual links in the Disconnecting Circuit Breaker design for live working.

DCBs help Transpower to solve corrosion problem

How Disconnecting Circuit Breakers (DCB) from ABB have eliminated the impact of corrosive environmental factors and increased grid reliability at Transpower's high-voltage substations in New Zealand.

Compact indoor substation with Disconnecting Circuit Breakers (DCB)

Small footprint enables indoor air insulated Switchgear solutions, increasing the substation availability and reliability for the customer, Borlänge Energi, Sweden.

Protecting switchgear from sun, sand and salt

To overcome the harsh desert conditions, Petroleum Development Oman, installed ABB's high voltage switchgear with composite, silicone rubber insulation to improve the reliability of power supply.


Eco-efficient high-voltage circuit breakers platform - Reducing carbon footprint and simplifying operations

Swedish utility adopts ABB’s eco-efficient high-voltage circuit-breakers

Tranås Energi, a Swedish utility company is prioritizing investments in sustainable energy solutions for future generations.

Disconnecting Circuit Breaker (DCB) with Fiber Optic Current Sensor (FOCS)

A space saving, smart and flexible high voltage switchgear solution that integrates the breaker, disconnector and current measuring equipment.

How to Track & Reduce SF6 Gas Emissions in Dead Tank Circuit Breakers

Learn learn how to manage SF6-Regulations for gas losses in dead tank circuit breakers.

ABB Disconnecting Circuit Breaker app

Discover the benefits of the disconnecting circuit-breaker using the web application at Cigré 2014.

ABB launches new eco-efficient high voltage circuit-breaker (1)

Bernhard Jucker, head of ABB's Power Products division, launched the new next generation LTA carbon dioxide (CO2) live tank high-voltage circuit breaker at Cigré 2012.

Space saving, smart and flexible - DCB with FOCS

Bernhard Jucker, head of ABB's Power Products division, presents the Disconnecting Circuit Breaker (DCB) with integrated Fibre Optic Current Sensor (FOCS) at Hanover Fair 2013.

New monitoring technologies create new opportunities

Randy Schrieber from ABB is talking about monitoring in transformers and high-voltage circuit-breakers.

ABB launches new eco-efficient high-voltage circuit breaker (2)

Giandomenico Rivetti, head of ABB's High Voltage Products business talks about the next generation live tank circuit breaker LTA, which uses CO2 as an alternative to SF6 gas.