This document specifies requirements for high security locks (HSL) for reliability, resistance to burglary and manipulation with methods of testing. It also provides a scheme for classifying HSL in accordance with their assessed resistance to burglary and unauthorized opening.
It is applicable to mechanical and electronic HSL. For electronic locks used in a distributed system, see EN 17646 for further information.
The following features can be included as optional subjects but they are not mandatory:
a) recognized code for preventing code altering and/ or enabling/ disabling parallel codes
b) recognized code for disabling time set up
c) integration of alarm components or functions
d) resistance to attacks with acids
e) resistance to X-rays
f) resistance to explosives
g) time functions.