"220V Cooling Fan" will not sprouted ignition source in explosive environments. It can be used in or outdoors, the local environment exists on a sufficient concentration of flammable gases, vapors or dust means indoors. "220V Cooling Fan" applications including oil, gas, chemical, mining and other industries use equipment airflow cabinet cooling and heat dissipation. Cooling fan has more than 200,000 hours of rated life, continuous operation in critical situations. "220V Cooling Fan" structure includes thermal protection fuse, advanced composite materials and propulsion fan blades permanently lubricated stainless steel ball bearings. Ambient operating temperature range is -54 ℃ -70 ℃.