If your original “603525” was a typo for IEC 60352 (dropping the last digit), then you are in the world of electronic interconnections. That series includes:
However, IEC 60352 has no part “25,” so the 603525 corruption is less likely here. iec 603525 pdf
If you have been searching for an “IEC 603525 pdf”, you are likely looking for the IEC 60335 series. The extra digit (the “2” and “5”) is a common keying error when users are in a hurry. Alternatively, your source document may have a corrupted reference number. If your original “603525” was a typo for
Do not waste time searching for “603525.” No regulatory body, test lab (UL, TÜV, SGS), or certifier recognizes that number. Instead, let us focus on the real, legally enforceable standard: IEC 60335. However, IEC 60352 has no part “25,” so
A typical hair dryer certified to IEC 60335 must pass: