General Specifications Material---------Plastic Impeller Bearings---------Maintenance-Free Ball Bearings Motor Type---------AC Induction Capacitor Connection---------Lead wire Dielectric Strength---------1800 VAC for 1 Sec. Insulation Resistance---------100 M惟 min.@500VDC Operating Temperature----------20鈩?to +70鈩?/p> Type of Protection---------Insulation Class F Safety---------Thermally Protected (Auto Restart) Plastic Impeller Weight : 1820 g Rohs Compliance Dimension (Unit : mm) Air Flow and Static Pressure 脴 190x72mm 锕滺igh Speed锕?/h5>Electronic Cooling made in China website:http://www.cnamore.com/electronic-cooling/