The Siemens 3RV1021-1EA10 is a robust and reliable circuit breaker designed for motor protection. This three-pole device has a rated operating voltage of 690 V ac and a rated operating current of 4 A. It features a compact design with dimensions of 45 x 96 x 97 mm, making it suitable for installations where space is at a premium. The circuit breaker is equipped with screw-type terminals for both the main current circuit and the auxiliary and control current circuit, ensuring secure and stable connections. With a surge voltage resistance rated value of 6,000 V and a mechanical service life of 100,000 switching cycles, this circuit breaker offers excellent performance and longevity. It's designed for use in a wide range of industrial applications and is part of the renowned Siemens SIRIUS product range. Please note, this product is subject to change without notice.