Application
GN27 40.5 series high voltage indoor disconnect switch is three-phase ac 50 Hz ac voltage switch equipment, used for 10 ~ 110 KV voltage of power system, for no load voltage in a portion of the circuit, and in close to be overhaul of high pressure generatrix, circuit breaker electrical equipment and charged high voltage electrical isolation in the lines.
1 Rated voltage kV 126 2 Rated current A 1250,1600,2000,2500,3150 3 Rated short-time withstand current kA 31.5/4s,40/4s 4 Rated peak withstand current kA 80,100 5 Rated lightning impulse withstand voltage kV Across open breaks 550+100To earth 550 6 Rated 1min power frequency withstand voltage kV Across open breaks 230+70 To earth 230
Outline
Used for 10 ~ 110 KV voltage of power system, for no load voltage in a portion of the circuit, and in close to be overhaul of high pressure generatrix, circuit breaker electrical equipment and charged high voltage electrical isolation in the lines.GN27-40.5 Indoor High Voltage Switch Disconnector