Siemens 3RU2116-1BB0 is a three-pole thermal overload relay for motor protection that mounts directly to S00-size contactors in the Sirius 3RU2 family, with an adjustable overload current range of 1.4 to 2.0 A. The unit uses screw-terminal main and auxiliary circuits and supports manual or automatic reset. It is rated for up to 690 V AC on the main circuit and is designed for direct mounting on three-pole contactors (3RT2015/3RT2016/3RT2017/3RT2018). This overload relay provides Class 10 thermal protection for reliable motor protection in demanding applications.
