A connection device for high currents for a detachable connection of an e-apparatus with a terminal current conductor (203; 203a, 203b), wherein the connection device has a terminal device on a housing of the e-apparatus, a line terminal device with a terminal current conductor (203; 203a, 203b) and a detachable second connection element (207; 207a, 207b), wherein the terminal device has: - a connection current conductor (103; 103a, 103b) and a terminal part for fastening to a housing part of the housing of the e-apparatus and for leading the connection current conductor (103; 103a, 103b) through the terminal part into the interior of the housing, wherein the connection current conductor (103; 103a, 103b) at an internal end in the interior of the housing is connectable with a current terminal (25; 25a, 25b) and at an external end has a first contact area (104; 104a, 104b); - a receiving means into which a line terminal part of the line terminal device can be inserted; and - a first connection element (107; 107a, 107b) integrated in the terminal part, wherein line terminal device has: - the line terminal part for insertion into the receiving means at the terminal part of the terminal device, and - the terminal current conductor (203; 203a, 203b) which is led through the line terminal part and which at one end (203-1; 203-1 a, 203-1 b) in the terminal part has a second contact area (204; 204a, 204b), wherein the line terminal part is insertable into the terminal part such that the second contact area (204; 204a, 204b) can contact the first contact area (104; 104a, 104b) of the connection current conductor (103, 103a, 103b), and the detachable second connection element (207; 207a, 207b), with the line terminal part being inserted, can be led through a lead-through (216; 216a, 216b) in the terminal part, through the second contact area (204; 204a, 204b) and through the first contact area (104; 104a, 104b) and cooperate with a first connection element (107; 107a, 107b) integrated in the terminal part such that the first contact area (104; 104a, 104b) and the second contact area (204; 204a. 204b) can be pressed onto each other and at the same time the line terminal part can be detachably fastened to the terminal part, wherein the terminal current conductor (203; 203a, 203b), when the line terminal part is inserted in the terminal part, extends at least partly in the line terminal part parallel to the housing, and then extends in the line terminal part in angled fashion toward the housing, and, finally, the second contact area (204; 204a, 204b) extends parallel to the first contact area (104; 104a, 104b). - a connection current conductor (103; 103a, 103b) and a terminal part for fastening to a housing part of the housing of the e-apparatus and for leading the connection current conductor (103; 103a, 103b) through the terminal part into the interior of the housing, wherein the connection current conductor (103; 103a, 103b) at an internal end in the interior of the housing is connectable with a current terminal (25; 25a, 25b) and at an external end has a first contact area (104; 104a, 104b); - a receiving means into which a line terminal part of the line terminal device can be inserted; and - a first connection element (107; 107a, 107b) integrated in the terminal part, - the line terminal part for insertion into the receiving means at the terminal part of the terminal device, and - the terminal current conductor (203; 203a, 203b) which is led through the line terminal part and which at one end (203-1; 203-1 a, 203-1 b) in the terminal part has a second contact area (204; 204a, 204b),