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.
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A wide range of earth rods, such as round section ground rods, T section ground rods, L section ground rods, X section ground rods, ground plates and accessories, designed according to the size of the currents that it disperse into the ground.
A wide selection of clamps, plates, turnband, bonding bars, terminal boards, bar insulators and bridge cables suitable for earthing stainless steel, copper and nickel-plated brass pipes.
Spina offers a wide selection of inspection sumps in anti-corrosive plastic, available with removable bottom, carriageable cover, suitable for cable and earthing connection.
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