Siemens 3RU1116-0DB0 Thermal Overload Relay Class 10

Siemens 3RU1116-0DB0 is a Sirius thermal overload relay designed for motor protection, rated for 0.22–0.32 A, frame size S00, and Class 10 trip performance. It mounts on a contactor and provides 1 normally open plus 1 normally closed contact (1NO+1NC) with screw terminals on both the main and auxiliary circuits for straightforward wiring. The unit features a manual-automatic reset, aligning with common motor-control practices that require intentional re-arming after an overload event. Intended for use with Siemens contactors in standard panel installations, this standalone overload relay integrates into motor protection circuits to prevent overheating and electrical damage.