Overvoltage surge arresters (also called SPD – Surge Protection Device) are mechanisms that allow to protect electrical equipment from overvoltages by absorbing the generated current. They can also be inserted in an already existing system in order not to modify the operation of the system.

Spina offers a wide selection of inspection sumps in anti-corrosive plastic, available with removable bottom, carriageable cover, suitable for cable and earthing connection.

Tools for electrical connections, electromechanical applications, transformer rooms compliant with national and foreign regulations. Sections and shaping different from the standard can be supplied on request. The products comply with the main national and international standards and with specific customer requests.