The Eaton HFD3030L 600V Circuit Breaker is a white, 30A, three-phase thermal circuit breaker with a Type A tripping characteristic. It is designed for electrical assemblies and OEM applications, with a voltage rating of 600V AC. With a screw mounting style and a compact design (4.13 inches wide), this circuit breaker from the reputable brand Eaton offers reliable protection for electrical systems requiring a high level of performance and safety.