The MCCB S3X 3P is a fixed circuit breaker designed for AC applications. It has a current rating of 125 A and can handle short-circuit currents up to 30 kA. The MCCB features front terminals for easy installation and a thermomagnetic release mechanism. It is also equipped with R32 current-limiting technology to protect against overloads and short circuits. With a voltage rating of 1000 V, this MCCB is suitable for use in ABB systems.