Abstract: A contact insert for a conductor connection terminal, including spring force clamping technology, wherein the contact insert has a clamping spring and a manual actuation element, wherein the clamping spring has a clamping arm which is designed to clamp an electrical conductor to a clamping point, wherein the clamping point can be opened by means of the manual actuation element. The invention additionally relates to a conductor connection terminal comprising an insulating-material housing and at least one such contact insert which is arranged completely or partially in the insulating-material housing.