Model SFM-F40 -40W Solar Attic Vent Fan For House

• Solar roof fans are mainly composed of solar panels, brushless DC motors, fan blades, air ducts and bases.

• External rotor DC brushless motor, long life and low noise.

• High-efficiency solar panels last up to 25 years and the frame is made of aluminum.

• The support structure is made of stainless steel.

• The air duct and the base are made of hot-dip galvanized steel,spraying the coated surface with epoxy resin prevents corrosion.

• The temperature control sensor switch is set on the fan, and the starting temperature of the motor can be selected from 15/20/25±5°C.The temperature control switch may not be used in warm areas.

• It can be equipped with an adapter to work in the absence of sunlight.

• SUS304 fasteners have good corrosion resistance and long-lasting stability.

• The butterfly nut design makes the roof installation easier and safer.

Model: SFM-F40

Wattage (watts): 40   Watt

Voltage (volts): 24   Volts

Solar   Cells : Monocrystalline   Silicon

Solar Panel Service life: 25   years

Solar PV Panel Angle: Not   Adjustable

Fan Blade   Material: Aluminum Alloy

Air Duct: 365mm / 14 inch

Motor: Brushless DC   Motor 

Rotating Speed: 1850 rpm

DC Motor Service life: 30000   Hours

DC Motor Warranty: 2   Years

Bracket Material: Stainless   Steel

Bracket   Thickness: δ2.0mm 

Base / Hood Housing Material: Hot   Dip Galvanized Steel

Base / Hood Housing Thickness: δ1.2mm 

Base / Hood Housing Warranty: 5   years

Protective Net Material: SUS   304

Screw Material: SUS   304

Surface   Coating: Polymer   Epoxy Resin Powder Coating

Coating Color: Black, OEM

Ventilation: 3468CMH   / 2040CFM

Working Noise: 45   dB

Host size: 558*558*205mm   (22*22*8 inch)

Package size: 575*575*230mm   (22.5*22.5*9inch)

Weight/Volume: 13.5KG / 0.075CBM   (30.0lb / 2.8ft³)

Container load: 400PCS   / 20GP  900PCS / 40HQ