The Siemens 3RU2136-4DB0 is a robust thermal overload relay designed to provide reliable motor protection. This device is engineered to safeguard motors from excessive current, ensuring operational efficiency and longevity. With an adjustable current range of 18 to 25 amperes, it is suitable for a variety of industrial applications. The relay is built to be mounted onto contactors, featuring a compact design with dimensions of 90 mm in height, 55 mm in width, and 105 mm in depth. It supports both manual and automatic reset functions, offering flexibility in operation. The 3RU2136-4DB0 is equipped with screw-type terminals for both main and auxiliary circuits, facilitating secure and straightforward installation. Rated for a maximum operating voltage of 690 volts and a frequency range of 50 to 60 Hz, this relay is designed to perform under demanding conditions. Its IP20 protection class on the front ensures a degree of protection against solid objects, making it a reliable choice for various environments.