AC Axial Fan: run on 120 or 230 input volts / Rated Currect .061 or .053 / Input Power 7 or 6 watts. Supply voltae 480. Need a step down transformer / 480 to 120 or 230 volts.

I suggest you do a Google Search for the unit you need.

This is a question and answer site, not a product locator site, such as:

480 120 Volt Transformer | Products & Suppliers on GlobalSpec (http://www.globalspec.com/industrial-directory/480_120_volt_transformer)