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How to Choose the Perfect Safe ? Safes Ratings Terminology

By: sarit lotem
Here, in MEGASAFE we are making sure you will get the perfect safe for your needs.

When you begin the search for a safe it is a good idea to speak to your insurance agent and see if a particular type of safe will reduce your insurance costs. Many times you can justify the additional expense of a higher security safe because of the premium reduction. Remember no safe is burglar proof, you are buying time. The longer it takes to break in the greater the chance to be caught, and thieves don’t like to get caught...

Fire Safes

Safes that protect against fire are usually made of thin steel sheets (or sometimes plastic) molded together to form an inner and an outer shell. These units are filled with an insulating material that will keep the temperature inside the safe below a certain point for a fixed period of time. Fire safes prevalent in the market today are usually one or two-hour rated safes.

Burglary Safes

Burglar safes are usually made of solid steel plate or a combination of solid steel and composite fill material such as concrete. These safes are divided into categories based on the level of protection delivered and the testing endured. Here we will discuss only four classes, B-Rate, C-Rate, U.L. TL-15 and U.L. TL-30

B-Rate Safes

This is a catchall rating for essentially any box with a lock on it. The safe industry had an unwritten standard of 0.25 inch body, 0.5 inch door. No tests are given to provide this rating. When buying a B-rate safe, look at things such as lock work, hard plates, and relocks.

C-Rate Safes

This is defined as a 0.5 inch thick steel box with a 1-inch thick door and a lock. As before No tests are given to provide this rating. Look at the lock work, relocks and other features when making your decision.

TL-15

Safes given a U.L. TL-15 rating have all passed standardized tests defined in UL Standard 687 using the same tools and usually the same group of testing engineers. The label requires that the safe be constructed of 1-inch solid steel or equivalent. The label means that the safe has been tested for a NET working time of 15 minutes using "…common hand tools, drills, punches hammers, and pressure applying devices." Net working time means simply "when the tool comes off the safe the clock stops". There are over fifty different types of attacks that can be used to gain entrance into the safe.

TL-30

These tests are essentially the same as the TL-15 tests except for, the net working time. They get 30 minutes and a few more tools to help them gain entrance.

Net Working Time - This is the UL term for testing time which is spent trying to break into a safe using tools such as diamond grinding wheels, high-speed drills with pressure applying devices, or common hand tools such as hammers, chisels, saws, and carbide-tip drills. If a safe has been rated with a 30-minute net working time, (TL30), the rating certifies that the safe successfully withstood a full 30 minutes of attack time with a range of tools.

TL-30 x 6 - The TL-30 (30-minute) test is conducted on all six (6) sides of the safe.

TRTL-30 - The TRTL rating designates a safe which successfully resisted 30 minutes of net working time with a torch and a range of tools which might include high speed drills and saws with carbide bits, pry bars, and other impact devices.

Fire Ratings

Class 350 1-hour fire rating - To earn this rating, the safe is heated for one hour to reach an exterior temperature of 1550 degrees, then put through the cool-down test. During this time the safe must maintain an interior temperature of less than 350 degrees.

Class 350 2-hour fire rating - The safe is heated for two hours to reach an exterior temperature of 1550 degrees and must maintain an interior temperature of less than 350 degrees to earn this rating.

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