Fused switch-disconnectors GS1 series Switch-disconnector units for NFC or DIN fuses. Screw connection. Assembly on DIN rail. Protective terminal covers for connection ranges available separately. Reference Rating Fuse sizes No. of poles Ext. Control Right or left side and int. control front GS1 DD3 32 A 10 x 38 3 GS1 DD4 32 A 10 x 38 3 + N Int.or ext. control Right side GS1 FD3 50 A 14 x 51 3 GS1 FD4 50 A 14 x 51 4 GS1 JD3 100 A 22 x 58 3 GS1 JD4 100 A 22 x 58 4 GS1 KD3 125 A 22 x 58 3 GS1 KD4 125 A 22 x 58 4 GS1 LD3 160 A Size 0 3 GS1 LD4 160 A Size 0 4 GS1 ND3 250 A Size 1 3 GS1 ND4 250 A Size 1 4 GS1 QQD3 400 A Size 2 3 GS1 QQD3 400 A Size 2 4 Reference Rating Fuse sizes No. of poles Ext. Control Right or left side and int. control front GS1 DD3 32A 10 x 38 3 GS1 DD4 32A 10 x 38 3 + N Int.or ext. control Right side GS1 FD3 50A 14 x 51 3 GS1 FD4 50A 14 x 51 4 GS1 JD3 100A 22 x 58 3 GS1 JD4 100A 22 x 58 4 GS1 KD3 125A 22 x 58 3 GS1 KD4 125A 22 x 58 4 GS1 LD3 160A Size 0 3 GS1 LD4 160A Size 0 4 GS1 ND3 250A Size 1 3 GS1 ND4 250A Size 1 4 GS1 QQD3 400A Size 2 3 GS1 QQD3 400A Size 2 4 GS1 SD3 630A Size 3 3 Ext. Control Left side GS1 FG3 50A 14 x 51 3 GS1 JG3 100A 22 x 58 3 GS1 KG3 125A 22 x 58 3 GS1 NG3 250A Size 1 3 Ext. Control front GS1 F3 50A 14 x 51 3 GS1 J3 100A 22 x 58 3 GS1 K3 125A 22 x 58 3 GS1 L3 160A Size 0 3 GS1 N3 250A Size 1 3 Terminal cover Reference Switch rating No. of poles GS1 AP33 100A to 160A 3 GS1 AP34 100A to 160A 4 GS1 AP43 200A to 400A 3