How it works
The Surge Protection Device (SPD) limits surge currents which affects the LED drivers so that they will not harm the circuits. It also controls the voltage at the input so that no high voltage gets through to the drivers making it reliable and long-lasting. As for circuits, MOV (Metal Oxide Varistor), Diode Surge Suppressor, and Avalanche Diode are employed to shield the circuits from over-voltage; by directing the excess voltage towards the ground.