Anti-theft lock points several levels. Which is the best
ccording to the standard, A-type anti-theft lock to prevent technical open time of not less than 1 minute to prevent destructive opening time of not less than 15 minutes; B-type anti-theft lock to prevent technology to open the time of not less than 5 minutes to prevent the impact of a lot of time In 30 minutes.
At present, our country is divided into two levels, one A-level, one B-class, B-class than A-level anti-theft is better, the market C level, super C level are deceptive. In general, the more complex the key above, the higher the level of security.
Currently on the market of ultra-B-lock, C-level lock is the concept of enterprise-defined, but the ultra-B-lock and C-class lock must meet the basic requirements of the national B-level lock, that can be super B- For the B-level lock.
According to the Ministry of Public Security GAT73-94 "mechanical anti-theft lock" provides that anti-theft lock according to its anti-theft ability of ordinary protection level and advanced protection level, the general level of protection lock, with the letter "A" said, advanced protection level lock letter "B "Said.