Correct Operation When The High-voltage Disconnect Switch Is Pulled By Mistake

When high voltage isolator is pulled by mistake, when the blade outline leaves the fixed contact, high voltage isolator switch will cause an arc. At this time, hv isolator should be closed immediately to extinguish the arc and avoid the accident hv isolator switch. If high voltage electrical isolator have all been pulled open, it is not allowed to close the mistakenly pulled isolator high voltage again.