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Siemens Industry Online Support
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Entry type: FAQ Entry ID: 109744124, Entry date: 01/11/2017
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What changes are applicable because of the introduction of explosion protection type “Ex ec” as the successor to explosion protection type “Ex na” and what implications does this have on current devices with explosion protection type “Ex na”?

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Question:

What changes are applicable because of the introduction of explosion protection type “Ex ec” as the successor to explosion protection type “Ex na” and what implications does this have on current devices with explosion protection type “Ex na”?

Answer:

The implications that explosion protection type Ex ec has with regards to the current explosion protection type Ex na are summarized in a product note


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