Simply put, protection vents safeguard electronics. IP means ingress protection, which means the vents control the flow of gases and liquids out of and into an enclosure. The vents are IP rated, which means protection ability varies. Protective vents can prevent damage to the sensitive electronics within the enclosure: They prevent contaminants like dust, dirt and liquids, fluids or oils from entering the enclosure. They reduce condensation build-up, and the potential for corrosion, by allowing water vapor to pass out of the enclosure.

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