ATCOMPACT protection boxes are made of several kind of SPD aiming the protection of all lines out from single-phase SPD, including the protective fuses against short circuits.
ATCOMPACT Surge Protective Devices are to be installed in parallel with the supply line, without altering at all its way of working under normal conditions.
Combinations can be made for protection either in common mode (ground referred) or differential (between line/s and neutral).
Compact box, easy to install and with the same advantages as Aplicaciones Tecnológicas SPDs give: robust, quick, reliable and tested according current standards (EN 61643-11) in official independent laboratories.