Układ ochrony przeciwłukowej SDI20.469

Used on straight line crossarms for a power arc protection. The set includes the arc protection device SEW20.3 and the power arc horn set PSS715. The connector includes an arc protection horn suitable for use with temporary earthing device with a screw fixing. The distance between the peaks is 100 - 150 mm at 24 kV. Tested short circuit current: I k = 11.5 kA, 1 sTested maximum current: I dyn = 29 kAPower arc current:10 kA, 1 s (twice)