Current location - Plastic Surgery and Aesthetics Network - Jewelry brand - How high is the protection level of the vault door?
How high is the protection level of the vault door?
A-level vault door needs at least two mechanical coded locks, with a damage resistance time of 30 minutes and a fire resistance limit of 2 hours.

The B-class vault door needs at least two mechanical coded locks and a set of special blade copper locks for the vault door. The damage resistance time is 60 minutes and the fire resistance time is 4 hours.

Class C vault doors need at least two mechanical coded locks and fingerprint locks, as well as coded locks with stepless key signatures imported from the United States, with loss resistance of 1.20 minutes and fire resistance time of 6 hours.