“Is the “intrinsic safety” explosion protection level higher than that of “explosion isolation”?
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The attachment is: Is the “intrinsically safe” explosion protection rating higher than that of “explosion isolation”?
The information is a bit old; nowadays, the explosion protection ratings are also classified as DA, DB, and DC.
A friend who works in electrical engineering told me about intrinsically safe, explosion-proof, and enhanced safety designs； But I forgot