AN ELECTRIC PROTECTION DEVICE

摘要

The invention relates to an electric protection device for a switchgear and includes an arc eliminator (1 ) and a surge arrester (2) connected in parallel with the arc eliminator (1 ). The invention also relates to a switchgear or a distribution system including the invented device. According to the invention the device further includes a processing circuit (29) arranged to control the interaction between the arc eliminator (1) and the surge arrester (2).