This standard BS EN 1300:2023 Secure storage units. Classification for high security locks according to their resistance to unauthorized opening is classified in these ICS categories:
13.310 Protection against crime
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.