ABB XT4N 250 TMA 250-2500 3p Fixed MCCB – 1SDA068092R1 This ABB molded case circuit breaker (MCCB) from the XT4N series is equipped with a 250A frame and a TMA (thermal magnetic) trip unit with an adjustable current range from 250A to 2500A. It features 3p and a fixed mounting type, offering reliable protection for electrical systems. Frame Size: 250A Trip Unit Type: TMA (Thermal Magnetic) Adjustable Range: 250–2500A Poles: 3p Mounting Type: Fixed ABB ID: 1SDA068092R1