What material is used for PV inverter protective vents

Plastic materials are widely used in PV inverter protective vents due to their excellent comprehensive properties. Common plastic types include polypropylene and polyamide. These plastics have good corrosion resistance, which can resist the erosion of moisture, dust, and some chemical substances in outdoor environments. They are also lightweight, helping reduce the overall weight of the inverter without increasing installation burden. Additionally, plastic materials have good processing performance, allowing for the production of vents with complex structures to meet specific ventilation and protection needs.

Metal materials are another option for PV inverter protective vents, especially in scenarios with higher requirements for mechanical strength and high-temperature resistance. Aluminum alloy and stainless steel are the most commonly used metal materials. Aluminum alloy has advantages of light weight and good thermal conductivity, which can assist in heat dissipation while providing protection. Stainless steel has superior corrosion resistance and mechanical strength, making it suitable for harsh outdoor environments such as coastal areas where salt spray corrosion is severe.

In some cases, composite materials may also be adopted. These materials combine advantages of different base materials, such as the corrosion resistance of plastic and the mechanical strength of metal. Composite vents can adapt to more complex working conditions, ensuring long-term stable operation of the inverter by effectively preventing the entry of water, dust, and foreign objects while maintaining good ventilation efficiency.