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[[/Surge Protection Device]] SPD for installation in low-voltage distribution board.

The orange module contains a [[/metal-oxide varistor]] MOV providing [[/overvoltage]] protection between L-N terminals. The blue module contains a [[/gas-discharge tube]] GDT providing protection between N-PE terminals. The modules are plugged into the base (also orange), which provides the screw terminals for neutral N, live L and protective earth PE.

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{{tag> SPD Surge_Protection_Device Metal-Oxide_Varistor MOV Gas-discharge_tube GDT Files}}