A circuit breaker is an automatic electrical switch.
Circuit breaker or circuit breakers may also refer to:
Trading curb or circuit breaker, a stock market term Circuit breaker (property tax), a refund of property taxes to low-income households in the United States Richie Hawtin (born 1970) alias Circuit Breaker, an electronic musician and DJ "Circuit Breaker", a song from Röyksopp's album The Understanding Circuit breaker design pattern, a design pattern in programming Circuit Breakers (video game), a 1998 racing video game Circuit Breaker, a gadget blog on The Verge, an American technology news and media network Circuit Breaker, a fictional character and antagonist appearing in the Transformers comic books published by Marvel Comics. Circuit Breaker (DC Comics), a superhero in DC Comics Circuit Breaker, the name Singapore gave its partial lockdown during the COVID-19 pandemic, and subsequently adopted by other countries.