Fault indication switch SD Multi 9 OEM. Operating voltage (Ue) 240-415V AC / 24-130V DC, width 9mm, 1 changeover contact. Changeover contact to indicate the position of the associated device in the event of an electrical fault or activation of the additional equipment for tripping. With test function on the front. For remote indication of a fault tripping of the associated device. Not compatible with a residual current circuit breaker GFP UL 1053, use an SD+OF in the SD position. The fault indication/auxiliary switch OF+SD/OF meets the following standards - IEC/EN 60947-5-1, EN 62019-2.