The Siemens SIRIUS Motor Protection Circuit Breaker 0.4A 3RV1011-0EA15 provides essential protection for motors, featuring a current adjustment range of 0.28 to 0.4 A. Its compact size of 45 x 90 x 75 mm and ability to handle up to 690 V AC make it a versatile choice for various industrial applications, ensuring efficient and reliable operation.