Stay safe, stay compliant, and avoid the pitfalls of “free” document sharing. Need help interpreting the sound power limit tables from IEC 60034-9? Leave a comment below or contact an acoustic testing lab for assistance.

If you need just a few values (e.g., noise limit for a 22 kW, 1500 rpm motor), consider using the or consulting a motor manufacturer’s datasheet, which already meets IEC 60034-9 requirements.

Introduction If you have landed on this page searching for an “IEC 60034-9 PDF free download” , you are likely an electrical engineer, maintenance technician, or procurement specialist dealing with industrial motors. You need the official standard for determining the noise limits of rotating electrical machines—but you may not want to pay the high cost of an official IEC document.

| Country | Equivalent Standard | Notes | |---------|-------------------|-------| | India | IS 15960 (Part 9) | Available for free from BIS website (registration required). | | Brazil | ABNT NBR IEC 60034-9 | Free for members of ABNT. | | China | GB/T 10069.1 | Similar but not identical – use with caution. |