40.5/72.5/126/145/170 Series three columns horizontally-rotary double contact break HV disconnector
GW7F three-post horizontal double-clearance revolving outdoor three-phase high-volt-age AC disconnector, rated frequency 50Hz, rated voltage 252kV, 363kV is for high-voltage line switch-ing and isolate the high-voltage busbarcircuit breaker and other high-voltage electric equipmentsand live high-voltage line. Under the condition of non-breaking or non-making loading current,during the process of Transfer switching, open-close busbar transferring current and voltage
transformerlightning arrester and so on.
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