It’s Underwriters Laboratories-rated TL-30 for theft resistance. It should take a burglar with a good set of drills and tools 30 minutes to break in. It’s got a UL fire-resistance rating of “Class 350 one-hour fire and impact,” which means the safe can withstand being heated to 1,550 degrees for an hour and then being dropped 30 feet onto concrete rubble. Some less sensitive documents, in many cases, may be transported and stored off-site.”]
Source: https://www.csoonline.com/article/2122860/secure-filing-cabinet.html