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Exterior disconnect switch / high-voltage / vertical - 245 - 1 200 kV | SPO
The Alstom Grid SPO is a vertical break disconnector with a two-piece arm. In the open position the blade sections fold upon themselves in a vertical plane of only 60% of the longitudinal dimension. Main Characteristics
Rated voltage from 245 to 1200kV
Reliable in adverse operating conditions
Two separate galvanized structural steel bases assure high strength and rigid design
Much lower centre of gravity of the live part means better performance during earthquakes
All bearings and counterbalancing springs are isolated from the main path
Supplied or easily retro-fitted with 1 or 2 earthing switches which can also be fitted with induced current switching devices