Columnar gas-insulated switch of VGT-72,5 series type VGT-72,5III-40/3150U1

Gas switches are designed to perform switching operations (switching on and off), as well as reclosing cycles under specified conditions in normal and emergency modes in networks of three-phase alternating current of frequency 50 Hz with rated voltage of 72,5 kV with earthed neutral. Rated voltage - 72,5 kV Rated current - 3150 A Rated tripping current - 40 kA Climatic design according to GOST 15150 - U Placement category - 1 Lower value of the operating temperature range - U1 - minus 45°? Upper value of the operating temperature range - U1 - plus 40°? Seismic intensity - not more than 9 points according to MSK - 64 Pollution degree - III Three-pole design