A circuit breaker is used to interrupt an electrical circuit when it becomes overloaded or a short circuit occurs. The magnetic circuit breaker with hydraulic delay features are particularly effective in applications where high current and voltage requirements need to be met. This type of circuit breaker is designed for use in 250V AC systems, as well as those operating at 80V DC. It has a current rating of 30A and can be mounted on a rocker panel for convenient installation and access.