ABB A2B 250 TMF 200-2000 3p F F – 1SDA066551R1 This ABB molded case circuit breaker (MCCB) from the A2B series is equipped with a 250A frame and a thermal magnetic trip unit (TMF) adjustable from 200A to 2000A. It has 3 poles and a fixed mounting configuration, ensuring high-performance overload and short-circuit protection for demanding industrial and commercial applications. Frame Size: 250A Trip Unit Type: TMF (Thermal Magnetic) Adjustable Range: 200–2000A Poles: 3P Mounting Type: Fixed ABB ID: 1SDA066551R1