AC FAN made in China General Specifications of the 80*80*38 ac axial fan l Material: Aluminum Housing, Plastic Impeller l Bearings: Maintenance-Free Ball Bearings l Motor Type: AC Shaded-pole Motor l Connection: Terminals or Lead wire l Dielectric Strength: 1800 VAC for 1 Sec. l Insulation Resistance: 100 M惟 min.@500 V DC l Operating Temperature: -30鈩?/span> to +75鈩?/span>(Ball Bearing)...