The Eaton Cutler-Hammer GHB3100 is a 100A, 480 Vac bolt-on circuit breaker suitable for industrial applications. It features thermal interruption type with a tripping characteristic of Type A, providing instantaneous break time. This black-colored main breaker with 3 poles and 3 phases is designed for interior use, offering overload protection and suitable for any room. With an operation method of on/off and a control style of switch, this circuit breaker from Eaton and Cutler-Hammer is a reliable and efficient choice for electrical equipment and supplies.