Circuit Breaker BA4-B0-24-410-111-D | Magnetic Circuit Breaker with Hydraulic Delay This circuit breaker is a type of magnetic device that protects electrical circuits from damage caused by excessive current. It features a hydraulic delay mechanism, which helps to prevent false tripping. The BA4-B0-24-410-111-D has a rating of 1A at 250V AC and 80V DC. It comes with a lever panel mount design for easy installation.