Siemens ET 200pro RSM module 3RK1304-0HS00-6AA0 is an isolator switch module for the ET 200pro system that provides a dedicated main‑circuit disconnector (HAN Q4/2) for safe maintenance. It is rated for up to 25 A Ie and 400 V Ue in AC service, enabling isolated interruption of the main circuit in automation equipment. The module must be used with the corresponding 110 mm backplane bus module and the wide module rack to operate, and it is RoHS compliant with WEEE/REACH considerations noted in Siemens product data. Net weight is approximately 1.685 kg and packaging dimensions are 228 x 309 x 184 mm.
