Auxiliary switch and fault signal switch, can be switched to 2x auxiliary switches from the front. Auxiliary switch: reports the switching state for manual and fault triggering. Fault signal switch: reports the switching state for fault triggering, no message for manual triggering. Test button for checking the signaling devices connected to the signal switch, for LS switches, FI/FILS circuit breakers of the Legrand TX3 and DX3 series. Tool-free installation by simply clipping onto the left side of the main device, maximum of 3 auxiliary devices or 2 auxiliary devices + 1 control device per main device. 2 changeover contacts, 6 A 240 V AC, device width 1 module
