Patent ID: 7247804

Claim:
Electrical switch comprising a housing ( 2 ) divided into a first section ( 2 ′) forming a first compartment for taking up at least one switching device ( 3 ) and an associated actuator device ( 4 ), and a second section ( 2 ″) forming a second compartment for connecting of at least one phase to the switching device ( 3 ), where at least the first section ( 2 ′) of the housing ( 2 ) is pressure sealed and filled with oil under a pressure of at least 10 bar, where the first section ( 2 ′) comprises at least one first compensator ( 5 ) for regulating the oil volume in the first section ( 2 ′) of the housing ( 2 ), and where the second section ( 2 ″) comprises at least one second compensator ( 6 ) for regulating the oil volume in the second section ( 2 ″) of the housing ( 2 ).