ABB A1A 125 TMF 32-400 3P Fixed MCCB – 1SDA068757R1 This ABB molded case circuit breaker (MCCB) from the A1A series features a 125A frame and a thermal magnetic trip unit (TMF) adjustable between 32A and 400A. Designed with 3 poles and fixed mounting, it ensures dependable circuit protection in industrial, commercial, and infrastructure applications. Frame Size: 125A Trip Unit Type: TMF (Thermal Magnetic) Adjustable Range: 32–400A Poles: 3P Mounting Type: Fixed ABB ID: 1SDA068757R1