A connection terminal includes a housing; an insertion opening, which is arranged on the housing and into which a conductor can be inserted in an insertion direction; a contact element, which is arranged on the housing and with which the conductor can be brought into contact by insertion into the insertion opening; a spring element, which is arranged on the housing, is held on the housing by a spring body, and has a resiliently movable spring leg extending from the spring body, wherein the spring leg clamps the conductor inserted into the insertion opening to the contact element in a clamping position; and an actuating element, which is arranged on the housing and can be actuated in an actuation direction to move the spring leg out of the clamping position, wherein the actuating element can be locked to the housing in an open position.