An electrical conductor connector, comprising: an insulating body, being formed with a plurality of inserting openings along an inserting direction, and a mounting space is formed inside the insulating body for communicating with the inserting openings, so that a plurality of lead wires are capable of being inserted into the mounting space along the inserting openings respectively; a contact member, being located in the mounting space and being constructed with multiple terminal contacts adjacent to each other, the contact member comprises a busbar forming all terminal contacts and a wire connection clamp pressing the lead wire against the busbar; and an actuation lever, being movably assembled to the insulating body and having an actuation portion cooperating with the wire connection clamp and a flip portion forming a grip area, the actuation portion has two operation boards symmetrically arranged to form a spacing area and the edge contour of the respective operation board is constructed with a pressing section against the wire connection clamp; wherein the respective operation board is provided with a cam, the mounting space is formed with a stop wall for contacting the cam; when the flip portion is flipped, the wire connection clamp is changed from a clamp status capable of holding the lead wire to a release status for the lead wire to enter the inserting opening, the actuation lever is simultaneously swung and moved along at least one contact surface of the stop wall by the contour of the cam, a relative displacement is generated between the insulating body and the actuation lever, and a contact point between the wire connection clamp and the pressing section will continuously change position on the surface of the wire connection clamp; characterized in that the pressing section comprises a first plane, a second plane, and a curve surface located between the first plane and the second plane, and a farthest distance is formed between the surface of the cam and the curve surface of the pressing section; when the electrical conductor connector changes from the clamp status to the release status, the contact point moves from the first plane, through the curve surface, to the second plane; wherein the electrical conductor connector is configured such that in the clamp status, the first plane is in surface contact with the wire connection clamp, and in the release status, the second plane is in surface contact with the wire connection clamp. an insulating body, being formed with a plurality of inserting openings along an inserting direction, and a mounting space is formed inside the insulating body for communicating with the inserting openings, so that a plurality of lead wires are capable of being inserted into the mounting space along the inserting openings respectively; a contact member, being located in the mounting space and being constructed with multiple terminal contacts adjacent to each other, the contact member comprises a busbar forming all terminal contacts and a wire connection clamp pressing the lead wire against the busbar; and an actuation lever, being movably assembled to the insulating body and having an actuation portion cooperating with the wire connection clamp and a flip portion forming a grip area, the actuation portion has two operation boards symmetrically arranged to form a spacing area and the edge contour of the respective operation board is constructed with a pressing section against the wire connection clamp; wherein the respective operation board is provided with a cam, the mounting space is formed with a stop wall for contacting the cam; when the flip portion is flipped, the wire connection clamp is changed from a clamp status capable of holding the lead wire to a release status for the lead wire to enter the inserting opening, the actuation lever is simultaneously swung and moved along at least one contact surface of the stop wall by the contour of the cam, a relative displacement is generated between the insulating body and the actuation lever, and a contact point between the wire connection clamp and the pressing section will continuously change position on the surface of the wire connection clamp; characterized in that the pressing section comprises a first plane, a second plane, and a curve surface located between the first plane and the second plane, and a farthest distance is formed between the surface of the cam and the curve surface of the pressing section; when the electrical conductor connector changes from the clamp status to the release status, the contact point moves from the first plane, through the curve surface, to the second plane; wherein the electrical conductor connector is configured such that in the clamp status, the first plane is in surface contact with the wire connection clamp, and in the release status, the second plane is in surface contact with the wire connection clamp.