INSTALLATION SWITCHGEAR HAVING A DEVICE FOR MOUNTING THE SAME ON A BUS BAR

An installation switching device includes an installation device housing including a housing interior, a connecting terminal disposed on a narrow face of the installation device housing, a switching apparatus including a quenching chamber, a vent channel configured to allow switching gases from a switching operation to escape from the housing interior through an outlet opening disposed close to the connecting terminal, and an attachment element disposed on the narrow face. The attachment element includes an exhaust-gas channel having an inlet opening corresponding with the outlet opening of the vent channel so as to allow the switching gases to pass from the outlet opening of the vent channel through the exhaust-gas channel, the attachment element configured to attach the installation switching device to a busbar.