cerfication Power 300w Grill Material Metal Rotation Angle 45 Degree Blade Number 4 PCS Current Type AC Blade Measure 10'' Voltage 110-220V Frequency 50HZ-60HZ Body Materials Aluminium alloyed, Carbon Steel Detail Description Low Noise -- Lots of forward curved impellers structure:Suction air in constant speed, decrease the noise substantially, artistic and light. -- New design of airflow channel:Suppress the side noise generated by installation effectively. Convenient and functional -- Compact structure:New cabinet design in smaller volume, it is easier to installation and saving space. -- Multiple adjustment options:Equipped with three gear variable-speed control, user may choose different volume to meeting the requirements. Safe and reliable -- Over heating protection:All motor equipped with over-temperature protection device ensure running safety and reliable. -- High static pressure:Blade-shaped blade design, increase the static pressure changes in wind output stability. -- Application range: building, hospital, hotel, shop, underground parking and supermarket etc. Max Volume is 7,000m3/h; Max Static pressure is 500Pa.Seven model selection totally. Fan Type In-line cabinet fan shall be direct driven with forward curved wheel which is made of galvanized steel plate. The wheel shall be balanced to Level G2.5 as per AMCA204 standard. The fan shall pass the vibration detection before leaving factory, and the vibration peak value shall be less than 3.8 mm/s under solid support. Quality Standards The fan shall be tested in accordance with AMCA Standard 210 and 300. The manufacturer must own the production license for industrial products and ISO9001 quality system authentication. Fan Housing Fan housing shall be constructed of heavy gauge galvanized steel (option: epoxy powder coated) with a rigid internal support structure. The thickness of the panel shall be adequate to support the weight of drive and motor. The housing shall have optional discharge direction. Motor The motor type of in-line cabinet fan shall be used inner rotor. Motor shall include permanently sealed self lubricating ball bearings. Bearings shall be selected for a minimum (l-10) life in excess of 50,000 hours at maximum cataloged operating speed. Motor shall be equipped with automatic reset thermal overload protection. Motor shall be acceptable for continuous duty. Safety service factor shall be provided to ensure long maintenance free operation over maximum load conditions. Additional Information Payment Terms L/C, T/T, Western Union, Paypal Minimum Order 10 Lead Time / Delivery Time 30 Day(s) Sample Available YES Ask For Sample FOB Port Ningbo,Shanghai, Loading Info DHL.TNT Packing Info CARTON Target Market(s) North America, Oceania, Southeast Asia, Eastern Europe, Africa(except Middle East), Hong Kong/ Macao/ Taiwan, Latin America, Japan & Korea, Middle East & South Asia, Mainland China, Western & Southern Europe, Northern Europe, Central & Southern Asia, Middle East