What alternate name is sometimes given to reclosers?

Reclosers are often referred to as self-contained circuit breakers because they are designed to automatically interrupt the flow of electricity in the event of a fault and then restore it after a set period. This self-contained feature allows reclosers to monitor, detect, and mitigate any electrical faults independently, without the need for external controls or interventions. This capability makes them invaluable in electrical distribution systems, as they enhance reliability and reduce the duration of power outages.

Self-contained circuit breakers are engineered to operate automatically, which is essential for the rapid response needed in managing electrical faults. Other options, while related to electrical systems, either do not convey the automated nature of reclosers or describe different functions entirely. For instance, manual circuit breakers require human intervention to reset, and remote-operated switches typically need external control to operate. Meanwhile, transformer breakers are specifically designed for protecting transformers, not serving the broader function of restoring service automatically like reclosers do.