GS2KK3 is a TeSys GS switch-disconnector-fuse, 3-pole, rated 125 A at 400 V AC-23B and 100 A at 690 V AC-23B. It accepts DIN size 00 fuses and is built to IEC 60947-3. Making capacity is 1000 A at 400 V AC-23B; breaking capacity is 10000 A at 400 V AC-23B.
Lifecycle & Sourcing
Schneider has discontinued the GS2KK3. There is no official successor listed in the evidence. Sourcing is through surplus or broker channels — submit an RFQ for current availability and lead time.
Physical Fit
Dimensions: 162 mm height, 148 mm width, 126.5 mm depth. Plate-mount only. Power circuit terminals accept bars up to 20 mm² or lugs/ring terminals 35–95 mm²; tighten to 12 N·m. IP20 with terminal cover fitted.
Comparison with GS2KKG3
The GS2KKG3 is the same TeSys GS 3-pole switch-disconnector-fuse, also rated 125 A at 400 V AC-23B and using DIN size 00 fuses. The key difference: GS2KKG3 includes a visible-break window on the front cover, while GS2KK3 does not. Panel cutouts and mounting are identical — GS2KKG3 drops into the same footprint without rewiring.