The Siemens 3RV1421-4BA10 is a robust and reliable circuit breaker designed to ensure the safety and efficiency of your electrical systems. This three-pole circuit breaker is rated for 20 A and 690 V ac, making it suitable for a wide range of industrial applications. It features a DIN Rail Mount for easy installation and a high breaking capacity of 100 kA, providing excellent protection against overcurrent and short-circuit conditions. With dimensions of 45 x 96 x 97 mm, it is compact and space-efficient, fitting seamlessly into your existing setup. The 3RV1421-4BA10 is part of Siemens' renowned SIRIUS product line, known for its high-quality and performance. Whether you're looking to upgrade your current system or building a new one, this circuit breaker is a solid choice for maintaining the smooth operation of your electrical circuits.