TECHNICAL DATA

Type of ISMMVL-12(17)VL-12(17)VL-20VH-36
Rated voltage (Ur)≤ 17.5 kV≤ 17.5 kV24 kV36; 40.5
Rated normal current (Ir)≤ 1250 A≤ 2500 A≤ 2000 A≤ 3150 A
Rated power frequency withstand voltage (Ud)≤38 kV≤38 kV50 kV70; 95 kV
Rated lightning impulse withstand voltage (Up)≤95 kV≤95 kV125 kV170; 190 kV
Rated short-circuit breaking current (Isc)≤ 31.5 kA≤ 31.5 kA≤ 25 kA≤ 40 kA
Rated short-time withstand current (Ik)≤ 82 kA≤ 82 kA≤ 65 kA≤ 104 kA
Rated short-time withstand current (Ik)≤ 31.5 kA≤ 31.5 kA≤ 25 kA≤ 40 kA
Rated duration of short circuit (tk)3 s
Rated frequency (fr)50/60 Hz
Mechanical life (CO)10,000
Rated breaking current operating sequenceO-0.3s-CO-15s-COO-0.3s-CO-3min-CO

DIMENSIONS