The SIEM function module from Siemens is an essential accessory for drive technology, specifically designed for the 3WA series circuit breakers. This module, designated as 3WA9111-0EX04, offers comprehensive basic protection with a rated current of 400 A. It is equipped with earth fault protection that features an extended adjustment range, allowing for flexible adaptation to various applications. The function module is part of the SENTRON product line and is characterized by its reliability and user-friendliness. Manufactured in Hungary, it meets the high standards of the industry and is part of Siemens' commitment to sustainable practices, as evidenced by its affiliation with initiatives like RE100 and SBTi. This module is a valuable addition for professionals seeking powerful and reliable solutions in drive technology.