The circuit breaker IZMX16 is an open device designed for use in electrical distributions. With a pole count of four and a rated current of 1000 A, this breaker provides a reliable solution for the protection of electrical systems. It is designed for alternating current (AC) and complies with IEC standards and approvals, highlighting its suitability for various industrial applications. The circuit breaker offers a protection function with selectivity, allowing for targeted shutdown in the event of a fault to ensure the safety of the entire electrical installation. With an IP31 protection rating, the breaker is protected against the ingress of solid foreign objects and splashing water, making it suitable for use in different environments. The installation technique with extendable features allows for easy installation and maintenance. The IZMX16 is therefore a robust and efficient choice for anyone seeking a powerful and safe solution for their electrical systems.