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To help you get the exact data you need, could you specify of the standard you are looking for or the specific motor power rating you need to verify? I can help you find official summary data or look up related cooling classification standards (like IEC 60034-6). Share public link iec 60034-9 pdf free download
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IEC 60034-9 defines the exact environment required to measure motor noise accurately. Standard test methods include: iec 60034-9 pdf free download