three-pole design
rated voltage 25 and 38.5 kV
rated current 400 and 630 A

Outdoor switch disconnectors with oil-based arc quenching chambers - vertical design.
The supporting frame is made of steel-sheet profiles, protected with hot galvanizing treatment against corrosion.
The switching takes place in sealed arc-quenching chamber, filled with the SHELL transformer oil.
No leakages of products of combustion are released into the environment.
All current-carrying parts of the switch disconnector are made of galvanically silver coated electrolytical copper. When supplied the switch disconnectors are provided supporting insulators made either of cycloaliphatic resin material or porcelain. The switch disconnectors may also be equipped with earthing switches and encapsulated auxiliary switching contacts used for the indication of the switching state of the main device.
Fla 15/6410 - three-pole design with fuse holders installed in the bottom part, with fuses rated to up to 200 A.