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It is a switch-disconnector combining the features of the SHD vertical-break disconnector with those of its vacuum interrupting chamber.
The interrupting chamber is operated by the arm of the disconnector, which prevents the risk of performing erroneous operation sequences.
The actuator of the interrupting chamber is of bistable type and allows both making and breaking currents, unlike other similar products.
Rated voltage: 27.5 kV (BIL 250 kV)
Rated normal current: up to 2000 A
Rated short-time withstand current: up to 40 kA (3 s)
Rated breaking capacity: up to 2000 A
Rated short-circuit making capacity: up to 25 kA
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