AC Fans Common Specifications Deutsch English (United States) Español de México Français Italiano ■ Standard Operating Voltage : Rated voltage +/- 10%. Noise : Measured at 1 meter from the side of the fan at the rated voltage. Vibration Test : JIS C 60068-2-6 Shock Test : JIS C 60068-2-27 Insulation Class : E class (UL : Class A) Protection : Motor burnout is prevented by the impedance protection system or the thermal protection system. ・Impedance Protection System : The motor coil impedance limits motor temperature within the insulation class specification. ・Thermal Protection System (If applicable) : The coil includes a thermal cut-out to limit motor temperature within the insulation class specification. ■ Notes Additional performance requirements may be determined between manufacturer and customer, based on customer’s request. Fans may be installed in a horizontal, vertical, or angled position.