circuit breaker
automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit
en-US/ˈsɝkɪt ˈbɹeɪkɚ/
en-GB/ˈsɜːkɪt ˈbɹeɪkə/
automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit