This transparent and durable box is designed to house three-phase meters for 380V electrical systems and is equipped with 1+2 4P empty openings for convenient circuit connections. Designed for both commercial and industrial applications, these durable. The insulated, encapsulated housings for the meter distribution box are easy to install. With the meter distribution in a multiple box construction type in accordance with DIN EN 61439-2/-3, installers have found the right product for challenging industrial environments. It integrates functions such as overload protection, short-circuit protection, leakage protection, metering, and intelligent control. 3 Compact design: Small footprint with efficient operation in limited.