TeSys GS instantaneous auxiliary contact block for 3-pole and 4-pole 50-400A IEC fuse switch-disconnectors GS1FD, GS1GD, GS1JD, GS1KD, GS1KKD, GS1LLD, GS1LD, GS1ND, GS1QQD. It provides 1C/O early break contacts rated up to 12A/24V DC-13 and 4A/230V AC-15, for I/O position signaling. Front mounting and connection by Faston terminals. IEC certified, it conforms to RoHS/REACh regulation.