High quality voltage breaker in Lisbon

What is a high voltage circuit breaker?

A high voltage circuit breaker is an electrical device designed to protect high voltage power systems by interrupting the flow of electricity during fault conditions, such as short circuits or overloads. It operates by detecting abnormal current levels and quickly opening the circuit to prevent damage to equipment and ensure safety.

Does Hitachi energy offer high-voltage switchgear and breaker solutions?

Hitachi Energy offers a comprehensive range of high-voltage switchgear and breaker solutions up to 1200 kilovolts AC and 1100 kilovolts DC.

What are the different types of high voltage breakers?

Read how we're working together with eleven other partners from nine countries to achieve this. We classify our high voltage breakers primarily into: live tanks and disconnecting circuit breakers (DCBs); and dead tanks and dead tank compact (DTC). Both categories include Blue products which use zero F-gases.

Why should you choose Siemens Energy F-Gas-Free Breakers?

Since 2010, Siemens Energy F-gas-free breakers have set new standards, allowing you to meet environmental regulations while maintaining optimal performance. With a well-proven modular platform concept, our high-voltage circuit breakers are adaptable to your specific requirements, ensuring they can handle extremely high voltage levels effectively.