ABB A1C 125 TMF 50-500 3P Fixed MCCB – 1SDA066714R1 This ABB molded case circuit breaker (MCCB) from the A1C series is equipped with a 125A frame and a thermal magnetic trip unit (TMF) with an adjustable current range from 50A to 500A. It features 3 poles and a fixed mounting type, delivering dependable overload and short-circuit protection for industrial and commercial power distribution systems. Frame Size: 125A Trip Unit Type: TMF (Thermal Magnetic) Adjustable Range: 50–500A Poles: 3P Mounting Type: Fixed ABB ID: 1SDA066714R1