ABB A1A 125 TMF 90-900 3P Fixed MCCB – 1SDA066519R1 This ABB molded case circuit breaker (MCCB) from the A1A series features a 125A frame and a thermal magnetic trip unit (TMF) with an adjustable current range from 90A to 900A. It includes 3 poles and a fixed mounting configuration, providing high-level protection against overloads and short circuits in industrial applications. Frame Size: 125A Trip Unit Type: TMF (Thermal Magnetic) Adjustable Range: 90–900A Poles: 3P Mounting Type: Fixed ABB ID: 1SDA066519R1