ABB XT4H 250 TMA 250-2500 4p Fixed MCCB – 1SDA068359R1 This ABB molded case circuit breaker (MCCB) from the XT4H series is equipped with a 250A frame and a thermal magnetic trip unit (TMA) with an adjustable current range from 250A to 2500A. It features 4p and a fixed mounting type, delivering dependable overload and short-circuit protection for industrial and commercial power distribution systems. Frame Size: 250 Trip Unit Type: TMA (Thermal Magnetic) Adjustable Range: 250A to 2500A Poles: 4p Mounting Type: Fixed InN Setting: 50% ABB ID: 1SDA068359R1