A manual charging apparatus for a vacuum interrupter, comprising: a motor for charging a closing spring mounted on a vacuum interrupter main body; a charging shaft configured to rotate by a rotational force of the motor; and a manual charging handle coupled to one end of the charging shaft and configured to manually rotate the manual charging handle, wherein the manual charging handle includes: an insertion part formed in an cylindrical shape, wherein one end of the charging shaft is inserted into the insertion part; an extension part perpendicularly bent from the insertion part and formed extendedly to increase a revolution torque; and a handle part perpendicularly bent from the extension part and configured to apply a manual operation force, and wherein the insertion part includes a rotation direction restriction means configured to restrict a rotation in one direction, characterized in that the rotation direction restriction means includes: an outer wheel formed in a cylindrical shape and having a plurality of wedge-shaped grooves on its inner circumferential surface; an inner wheel disposed within and spaced apart from the outer wheel and having a plurality of through holes; and a plurality of roller elements disposed between the outer wheel and the inner wheel. a motor for charging a closing spring mounted on a vacuum interrupter main body; a charging shaft configured to rotate by a rotational force of the motor; and a manual charging handle coupled to one end of the charging shaft and configured to manually rotate the manual charging handle, wherein the manual charging handle includes: an insertion part formed in an cylindrical shape, wherein one end of the charging shaft is inserted into the insertion part; an extension part perpendicularly bent from the insertion part and formed extendedly to increase a revolution torque; and a handle part perpendicularly bent from the extension part and configured to apply a manual operation force, and wherein the insertion part includes a rotation direction restriction means configured to restrict a rotation in one direction, characterized in that the rotation direction restriction means includes: an outer wheel formed in a cylindrical shape and having a plurality of wedge-shaped grooves on its inner circumferential surface; an inner wheel disposed within and spaced apart from the outer wheel and having a plurality of through holes; and a plurality of roller elements disposed between the outer wheel and the inner wheel. an insertion part formed in an cylindrical shape, wherein one end of the charging shaft is inserted into the insertion part; an extension part perpendicularly bent from the insertion part and formed extendedly to increase a revolution torque; and a handle part perpendicularly bent from the extension part and configured to apply a manual operation force, and wherein the insertion part includes a rotation direction restriction means configured to restrict a rotation in one direction, characterized in that the rotation direction restriction means includes: an outer wheel formed in a cylindrical shape and having a plurality of wedge-shaped grooves on its inner circumferential surface; an inner wheel disposed within and spaced apart from the outer wheel and having a plurality of through holes; and a plurality of roller elements disposed between the outer wheel and the inner wheel. an outer wheel formed in a cylindrical shape and having a plurality of wedge-shaped grooves on its inner circumferential surface; an inner wheel disposed within and spaced apart from the outer wheel and having a plurality of through holes; and a plurality of roller elements disposed between the outer wheel and the inner wheel.