scope:

This document specifies requirements for high security locks (HSL) for reliability, resistance to burglary and unauthorized opening with methods of testing. It also provides a scheme for classifying HSL in accordance with their assessed resistance to burglary and unauthorized opening.

It applies to mechanical and electronic HSL. For electronic locks used in a distributed system, see prEN 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) remote control duties;

e) resistance to attacks with acids;

f) resistance to X-rays;

g) resistance to explosives;

h) time functions.