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HV-CONNEX Socket Size 4 for GIS, up to 72.5 kV


  • Socket for mounting into gas-insulated switchgears (GIS), gas-insulated transformers, joints and other gas-insulated equipment


  • Testing of switchgear in factory due to short time amount for plugging the accessories
  • Assembly time is significantly reduced and safe assembling guaranteed
  • Touch-proof, maintenance-free and floodable (IP67)

Technical Data

Article no. 828 040 999 00001
Size 4
Max. system voltage Um (kV) 72.5
Nominal voltage Un (kV) 60 - 69
Conductor residual voltage U0 (kV) 36
Applicable standards IEC 62271-209 (Fig.5)
Fitting length (mm) 310
Pitch circle diameter (mm) 270
Diameter of flange opening (mm) 200
Capacitive voltage tap without
Working place outdoor, indoor and offshore
Insulation medium SF6
Routine test: AC withstand voltage 1 min. (kV) 160
Routine test: Partial discharge test < 2 pC at (kV) 140
Rated lightning impulse withstand voltage BIL (kV) 325
Nominal current IN (A) 2500
Max. dynamic short circuit current (kA) 160


Data sheet as pdf-file
Drawing as pdf-file

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