ABB has revealed the next generation of its flagship air circuit breaker, the SACE Emax 3. Aimed at large facilities with high power demands, including data centers, advanced manufacturing sites and ...

Is there a circuit breaker in your home that keeps tripping? It may need to be replaced. Fortunately, testing and replacing a breaker is something you can do.

Stocks fell sharply again Thursday, with declines nearing levels that would trigger a marketwide trading halt. These are the levels to watch.

The US stock market had a choppy first hour on Thursday with Dow Jones falling as much as 2,150 points, the S&P 500 and the Nasdaq down between 6.5% to 7%.

Here's what to know about so-called “circuit breakers" and when they're used to halt trading on stock markets.

Japan, Taiwan Markets Hit Circuit Breaker As Trump Tariffs Deepen Panic The last time a circuit breaker was triggered by a stock selloff was in March 2020, during the onset of the COVID-19 pandemic.

Trump tariffs rattle markets, S&P 500 eyes 7% circuit breaker threshold Circuit breakers were last triggered during the early Covid-19 selloff in 2020.

There hasn't been a marketwide circuit breaker since. The S&P 500 doesn't appear to be in danger of tripping a marketwide circuit breaker in early afternoon trade but remains sharply lower on the day.