· Maximum power voltage (V): 17.28.
· Maximum power current (A): 1.16.
· Open circuit voltage (V): 21.24.
· Short circuit current (A): 1.35.
· Size of module (mm): 420 x 520 x 25.
· Weight per piece (kg): 3kg (brushless DC motor).
· Starting power: "≤0.45W " (brushless DC motor).
· No load current: 0.20 (A) max. (brushless DC motor).
· Motor inertial: TYP 730 (g.cm2) (brushless DC motor).
· Noise: 45 (dB (A) ) max. (brushless DC motor).
· Weight: TYP 390 (g).
· Characteristics:
It can be used for workshops, storages and various kinds of attics to ventilate, to change and dry air.
· The system is solar-powered.
· It is no need to connect the mains supply.
· It works with low DC voltage, safe and reliable.
· Automatically control the air quantity according to the intensity of the sun, the stronger the sunlight is, the more powerful the wind blows, up to 750m3/h.
· Intelligent temperature control without manual operation.
· It starts working when temperature is above 77℉ and stops below 73.4℉.
· High-quality solar panel, heat resisting, high pressure resistant, stable, and long service life.
· Sealed shell design. Anti-UV material is added in the outside shell. Perfect weather fastness, durable.
· Multiple protective devices, waterproof, insect prevention, rat proof and sundries proof. temperature controlling: When the attic’s temperature is equal to or higher than 77℉-84℉, it will automatically switch on the fan.
· Back-up power (optional): cloudy or after sunset, it will switch to backup power supply automatically.
· The solar attic fan continues to work making your attic temperature fall, so it will clean the stagnant air in your house to build a cool and refreshing summer night.
· The professional solar attic fan can continue to run at night.
· Protecting net: stainless steel screen prevents fragments, insects, birds and small rodents from accessing the device.
· It allows air to circulate freely.
· The solar attic fan we produce including various types, such as 20W, 15W solar attic fans, 20W solar indoor ceiling fan.
· And shell case contains ABS or metal material, we would be glad to provide other details if you like.