The ERMS function on the Micrologic X reduces the tripping parameters in the event of an arc fault. The ERMS function enables the tripping parameters to be reduced in the event of an arc fault. The setting is password protected and can only be made on site using special Ecoreach software or a smartphone. ERMS can be activated or deactivated using the MasterPact MTZ Mobile app or using a lockable switch on the ESM module (ERMS Switch Module). When the function is activated, the display of the Micrologic X lights up blue and the ERMS LED lights up. Note Micrologic X requires firmware version V002.000.xxx or higher. Earlier firmware is not compatible with this application.