Auxiliary contacts for GS1 series switch-disconnectors Auxiliary indicator contacts for fused switch-disconnectors GS1 series. Depending on the models, they are used to indicate O and I positions, blowing of fuses or to prevent pre-cutoffs. Screw connections. For fitting on TS35 DIN rail. Pre-cutoff and indication of O and I positions Reference Switch Type of rating contact GS1 AM1 50A to 400A 1 RT GS1 AM2 50A to 400A 2 RT Indication of O and I positions Reference Switch Type of rating contact GS1 AN11 50A to 400A 1 N/O / 1 N/C GS1 AN22 50A to 400A 1 N/O / 1 N/C Indication of 1 RT contact fuse blowing Reference Switch Size of No. of poles rating Fuses GS1AF1 50A 14 x 51 3 GS1 AF23 100A and 125A 22 x 58 3 GS1AF33 160A Size 0 3 GS1AF43 250A and 400A Size 1 and 2 3