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. With its R50 current-limiting capability, it provides reliable protection against overloads and short circuits. The MCCB is manufactured by ABB and operates at a voltage of 1000 V.