1. 3TF2010-3BB4 is a Three-Phase sensitive monitoring relay from Siemens.
2. This monitoring relay is designed to detect loss of phase and unbalanced load conditions in three-phase systems, and to ensure power system stability and safety of personnel and equipment.
3. The 3TF2010-3BB4 is equipped with protection functions, including high-selectivity time-delayed trip, phase loss and overload alarm, direct overload trip, three-phase trip and rest functions. Furthermore, it is designed to detect temperature, current, and other parameters.