The GHB3030 is a 3-pole type-GHB Thermal Magnetic Circuit Breaker with non-interchangeable trip units. The molded case circuit breaker by Eaton Corporation is designed to provide circuit protection for low voltage distribution systems. The bolt-on panelboard circuit breaker protects conductors against overloads and conductors and connected apparatus, such as motors and motor starters, against short-circuits. The G-frame circuit breaker is suitable for reverse feed use.