The Siemens 3RV2021-1HA10 is a robust and reliable circuit breaker designed to ensure the safety and efficiency of your electrical systems. With a rated operating voltage of 690 V ac and a rated operating current of 8 A, this three-pole device is capable of handling demanding applications. It features a DIN Rail Mount design for easy installation and a short-circuit protection function to prevent electrical overloads. The device is also equipped with screw-type terminals for the main current circuit, ensuring secure and stable connections. With a mechanical service life of 100,000 switching cycles, this circuit breaker is built to last, providing you with long-term peace of mind. Its compact dimensions (97mm height, 45mm width, 96mm depth) make it a space-efficient choice for your electrical panel. Whether you're operating in industrial or commercial environments, the Siemens 3RV2021-1HA10 circuit breaker is a high-quality solution for your circuit protection needs.