The Siemens 3RU1136-4FB0 is a robust and reliable overload relay designed for motor protection. With a size of S2 and a class 10 rating, it's perfectly suited for mounting onto contactors. The main circuit features a screw terminal, as does the auxiliary circuit, ensuring secure and stable connections. The overload relay has an adjustable pick-up value current of the current-dependent overload release between 28 to 40 A. It operates at a maximum AC-3 rated value of 690V. The auxiliary circuit includes 1 NC and 1 NO contact. With a total typical power loss of 9W and an insulation voltage with a degree of pollution 3 rated value of 690V, this part offers efficient performance. It's designed to withstand a surge voltage resistance rated value of 6kV and has a protection class IP of IP20 on the front. This part is finger-safe and has a type of protection of DMT 98 ATEX G 001. Whether you're upgrading your existing system or building a new one, the Siemens 3RU1136-4FB0 overload relay is a solid choice for ensuring motor protection.