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 (103-1) in the interior of the housing is connectable with a current terminal (25; 25a, 25b) and at an external end (103-2) 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 , 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 (103-1) in the interior of the housing is connectable with a current terminal (25; 25a, 25b) and at an external end (103-2) 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), <EOS>