Large Scale Industrial Use 250W Solar Powered Exhaust Ventilation System for Wall Mounting with AC/D

Product Name: Large Scale Industrial Use 250W Solar Powered Exhaust Ventilation System for Wall Mounting with AC/DC Adaptor (SN2015018) Model NO.: SN2015018 Certification: CE Mounting: Wall Fan Electric Current Type: DC Type: Exhaust Fan Blade Material: Aluminum Alloy Material: metal Solar Panel: 24 Volt 250W Solar Panel Model No.: Sn2015018 Fan Size: 810mm Diameter Item Name: Solar Powered Exhaust Ventilation System Trademark: SINOLTECH Transport Package: Color Carton Specification: CE Origin: China Product Description Large scale industrial use 250w Solar Powered Exhaust Ventilation system for wall mounting with AC/DC adaptor(SN2015018)Model No.: SN2013018-dia.810mm bladesSolar Powered Industrial Wall Ventilating Fandia.810mm Aluminum fan blades,fan host size: 900x900x400mm,24 volt 250W brushless DC motor,250 watt 24V polycrystalline solar panel (1640x992x50mm),air flow: 20000CMH (11764CFM),with 15m cable to connect fan host & solar panel,solar panel is with angle adjustable mounting bracketModel No.: SN2015018-dia.810mm bladesSolar Powered Industrial Wall Ventilating Fanwith AC/DC Adapterdia.810mm Aluminum fan blades,fan host size: 900x900x400mm,24 volt 250W brushless DC motor,250 watt 24V polycrystalline solar panel (1640x992x50mm),air flow: 20000CMH (11764CFM),with 15m cable to connect fan host & solar panel,solar panel is with angle adjustable mounting bracket,with 300W 24V AC/DC power adapter to serve as energy backup for fan runs nonstop even in sunless periodsModel No.: SN2015019-dia.810mm bladesSolar Powered Industrial Wall Ventilating Fanwith Batterydia.810mm Aluminum fan blades,fan host size: 900x900x400mm,24 volt 250W brushless DC motor,250 watt 24V polycrystalline solar panel (1640x992x50mm),air flow: 20000CMH (11764CFM),with 15m cable to connect fan host & solar panel,solar panel is with angle adjustable mounting bracket,with 2*(120Ah 12V) lithium battery kit to serve as energy backup for fan runs nonstop even in sunless periods,battery is charged by 2pcs 280W 36V solar panel in sunny day time,(battery can be charged full after 5.5 hours, and backup 8 sunless hours)You can use the inexhaustible solar source freely to support operation of all kinds large scale ventilating fans, the regular commercial electricity bill in old days is no longer a must pay.The solar modules mounted on roof-top will generate electricity to support the fans working.You can add a Mains Switch Controller into product to hybrid use the solar panel supply and public electricity supply to have the ventilating fans work continuously after dark or in cloudy periods.Fan motor we used is brushless DC motor, so when our products are working under consumption of commercial electricity, their energy costs are still much smaller than those traditional AC motored ventilating fans.The primary power supply for product to work is always from solar panel, only when the sunlight illumination intensity on solar panel is too weak to function fan motor, the Mains Switch Controller will switch-on public electricity supply as support.Hereafter illustrates the Mains switch mechanism between solar panel supply and public electricity supply, all switches can be realized automatically intelligently by the Mains Switch Controller.AC electricity as power supply:Situation 1 -Situation 2-Situation 3-Product Advantages:1) Clean & Free Solar Energy powered, No commercial electronic consumption.2) once Pay, Benefit Long!3) Cut off conventional monthly boring electricity bills.4) No manual operation, No maintenance!5) Value-Added, will pay itself back for you soon after one year.6) High Quality, Prospective Innovation!