Siemens AG 3rb2383-4aa1 Evaluation Control Unit

Siemens Sirius 3RB2383-4AA1 is an evaluation unit for full motor protection (bistable) in the SIRIUS 3RB23 system, available in sizes S00 through S12 for standalone installation. As an electronic overload relay with bistable output, it provides current- and temperature-based motor protection for loads with normal and heavy starting, using the 3RB23 protection electronics. It features separate main and auxiliary circuits with screw-terminal connections for the auxiliary side and offers a manual/automatic reset option, with IP20 front protection. This evaluation module is designed for use with SIRIUS 3RB22/23 motor protection configurations to test and verify protection schemes in industrial panels.