Circuit breaker in substation in Namibia

What is a circuit breaker in a substation?

A circuit breaker in substation is a key component in electrical power systems, designed to interrupt the flow of electricity when a fault occurs, such as a short circuit or overload. Depending on system design, these devices can operate manually or automatically and come in various types, including air, vacuum, oil, and SF₆ gas.

Do substation circuit breakers comply with ANSI standards?

Substation circuit breakers must comply with national and international reliability and safety standards, such as those set out by the American National Standards Institute (ANSI) or the International Electrotechnical Commission (IEC).

How long does a substation circuit breaker last?

A substation circuit breaker has three critical life stages: initial installation, maintenance and testing, and end-of-life. Following proper procedures at all of these stages will extend the life and enhance the efficacy of your circuit breakers.

What is a circuit breaker?

Circuit breakers are specialized switches designed to detect faults and stop the flow of electricity in high-stakes environments. In substations, they are configured to handle higher voltages and currents than those of household breakers. They play a pivotal role in protecting the grid.