EN50131 Requirements Security Grades

1. Whats the security grades

One of the most important aspects of the EN50131 requirements is the concept of a security grade. For each installation, the grade of the system has to be chosen according to various factors. The EN the grade is described in terms of the type of intruder and how much effort they would put into a burglary.

2. There are 4 intruder alarm security grades

Grade 1: intruders are expected to have little or no expertise.
Grade 2: intruders are expected to have more knowledge and some specialist equipment.
Grade 3: intruders will have both comprehensive knowledge and portable electronic equipment.
Grade 4: intruders have expertise, access to good equipment and planned intrusion.


3. Parts of requirements for motion detector from EN50131