Arc fault protection device AFDD with FI-LS 1P+N 10kA B-20A 30mA Type A 3M.AFDD according to DIN EN 62606 (VDE 0665-10), combined with FI/LS switch 1P+N according to DIN EN 61009-1 (VDE 0664-20), DIN EN 61009-2-1 (VDE 0664-21), with residual current monitoring type A (30 mA), with screw technology, blue test buttons for the AFD unit with arc fault display and residual current display. Easy individual removal from the phase busbar assembly. Suitable for subsequent installation of additional devices. Labeling option directly on the device.