BW100AAG-3P075 is a three-pole molded case circuit breaker from Fuji Electric's G-TWIN Standard Series designed for line protection in industrial and commercial electrical systems. This breaker features a 100 A frame size with a rated current of 75 A, conforming to IEC/EN/GB/JIS standards. The AAG series designation indicates a 1.5 kA ultimate breaking capacity (Icu) at AC 415V, making it suitable for applications requiring moderate fault current protection. The 3-pole configuration enables three-phase circuit protection, with available mounting and connection options including blank, X, E, Y, and P variants. This breaker is commonly used in distribution panels, motor control centers, and industrial switchgear where reliable overcurrent and short-circuit protection is essential.