If you follow the link from that 2012 story to the Tripp Lite site, you get to a manual that does not have the quoted text. If you read the manual, and the Web page about Tripp Lite Isobar Ultra does not say anything like that either. Instead, you have the following
- Safe Thermal Fusing: Prevents unsafe conditions during extreme extended over-voltages and catastrophic occurrences
Looks like something may have changed in the last 5 years.
One problem with the Web is that outdated information persists and we rarely follow links to verify that quotes are still accurate.