  A Lorentz boosted two-nucleon potential is introduced in the context of equal
time relativistic quantum mechanics. The dynamical input for the boosted
nucleon-nucleon (NN) potential is based on realistic NN potentials, which by a
suitable scaling of the momenta are transformed into NN potentials belonging to
a relativistic two-nucleon Schroedinger equation in the c.m. system. This
resulting Lorentz boosted potential is consistent with a previously introduced
boosted two-body t-matrix. It is applied in relativistic Faddeev equations for
the three-nucleon bound state to calculate the ^3H binding energy. Like in
previous calculations the boost effects for the two-body subsystems are
repulsive and lower the binding energy.
