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Vacuum Interrupters for Isolating Switches:TF-40.5/1250-20A
Rated  Current (A) 1250
Rated Voltage (KV) 40.5
Rated Short-time Withstand Current (KA) 20
Rated Short-time(1min) Power-Frequency Withshand Voltage 95
Rated Lightning Impulse Withstand Voltage 185
Mechanical Life (Times) 10000
external diameter 108
Installation Height 359
TF-40.5/1250-20A