Discussion on the determination of electrical explosion protection ratings for hydrogen-containing media
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For hydrogen-containing media, they were previously classified as IIC in the electrical explosion protection rating system. While this classification does raise the electrical explosion protection level, is it really necessary? If the medium contains only 2–5 mol% hydrogen, is it necessary to classify it as IIC?
In principle, it should be classified according to the IIC classification. It’s best to consult with the electrical engineering team.