The 124X35 part of the Dremec product is a 3-phase 400A multi-functional metering and switching solution. It is designed to provide comprehensive, precise, and reliable metering as well as safe switching of electric networks. It is capable of measuring currents and voltages up to 400A and 600V, respectively. Additionally, it offers a variety of protection, alarm, communication, and control functions. It is suitable for applications in commercial and industrial buildings, residential homes, and photovoltaic systems.