The device has a bus bar (3) in a terminal housing and electrically connected to a blade clamp contact (4). A conductor (11) fed in via a housing lead through can be contacted between the facing blade edges (7,8). Contacting of the fixed conductor is achieved by a translation motion of the blade clamp contact along the bus bar in its longitudinal direction (L). At least one rib (35) is formed in at least one blade-clamp contact leg (5).
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