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Item Designation Qty 1 3 Phase Load Break Switch(Pulse voltage 195kV,25kV peak short circuit current, rated current 630A, 50Hz) 2 18 Droup Out Fuse Link 33KV,Minimum contour distance of 900 mm. Minimum insulation distance 430 mm. Maximum voltage under rain 70 kV. Shock impulse (kV peak), with solid contact = 200 kV, Bias voltage 230 kV 27 55 Surger arrester 10 kA , metal oxide, heavy load class. Joslyn of the ZHP type. 33 kV systems, MCOV 44 kV, Residual voltage at 10 kA, current pulse of 8/20 micro-seconds, adulation distance to 100 kV 15