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Schneider Electric GS1KK4

Schneider Electric GS1KK4

MPNGS1KK4
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switch-disconnector fuse body GS1 - TeSys GS - 4 poles - DIN - 125 A

Schneider Electric GS1KK4 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

GS1KK4 key specifications
ParameterValue
Fuse typeDIN
Network typeAC DC
Type of operating handleExternal frontal External right side
Product or component typeFuse switch disconnector body
Voltage750 V AC 50/60 Hz
[Uimp] rated impulse withstand voltage8 kV
Breaking capacity1000 A 400 V AC-23B)
[Ie] rated operational current100 A 440 V 2 poles in series per phase DC-23A 100 A 440 V 2 poles in series per phase DC-23B 100 A 690 V with terminal cover AC-23A 100 A 690 V with terminal cover AC-23B 125 A 400 V AC-23A 125 A 400 V AC-23B 125 A 500 V AC-23A 125 A 500 V AC-23B
[Icm] rated short-circuit making capacity100 kA 400 V with protection by gG (gI) fuses 125 kA rating of associated fuses
[Ith] conventional free air thermal current125 A (at 104 °F (40 °C))
Rated operational power in690 V AC-23A) 690 V AC-23B) 400 V AC-23A) 400 V AC-23B) 500 V AC-23A) 500 V AC-23B)
Network frequency50/60 Hz

All specifications

GS1KK4 additional specifications
ParameterValue
Poles description4P
IP degree of protectionIP20 IEC 60529 with terminal cover)
Mounting supportRail Plate
Connections - terminalsPower circuit bars Power circuit screw terminals 0.05...0.1 in² (35...95 mm²) flexible
Electrical durability1000 cycles AC-23A 1000 cycles AC-23B
Mechanical durability10000 cycles
StandardsIEC 60269-2 IEC 60269-1 IEC 60947-3
Category18402-WORLD SERVICE PARTS(CONTROL ACCESS)
Fuse sizeT00
Fire resistance1562 °F (850 °C) fuse cover IEC 60695-2-1 1760 °F (960 °C) body IEC 60695-2-1
Making capacity1250 A 400 V AC-23B
Device short nameGS1 K
Tightening torquePower circuit 106.2 lbf.in (12 N.m) bars Power circuit 106.2 lbf.in (12 N.m) screw terminals
Protective treatmentTH
MPN
GS1KK4