PURPOSE: A power transfer unit for a compressor is provided to improve strength by applying the load of a driving shaft direction to a limiter. CONSTITUTION: A hollow is formed while an outer herb(200) is connected to a pulley. An inner hub(300) is arranged in the hollow of the outer herb to be separated. The inner hub is connected to the driving shaft of a compressor. A limiter(400) mutually connects the outer herb and the inner hub and a broken part(430) is formed. The broken part is broken and blocks power transmission.
