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Is Isolated Barrier Necessary for Equipment with Intrinsic Safety Certification Ex e ib mb I IC T6 Gb?

EnigmaSeeker

May 22, 2023
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May 22, 2023
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The equipment holds the certification Ex e ib mb I IC T6 Gb, where "ib" signifies intrinsic safety. This certification confirms that the equipment is specifically engineered to restrict electrical energy, prevent the occurrence of sparks, and minimize excessive heat that could potentially ignite an explosive environment. Given this "ib" certification, is it accurate to state that isolated barriers are not necessary since the equipment already meets the required safety standards?
 

Delta Prime

Jul 29, 2020
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Given this "ib" certification, is it accurate to state that isolated barriers are not necessary since the equipment already meets the required safety standards?
It means the equipment meets the required safety standards because of "Ib" as well as the others.
 
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