Intruder Alarm Grades Explained (Updated 2025)
What is an intruder alarm system ? For those who don't know, intruder alarm systems , more commonly known as burglar alarms, are security systems designed to detect and deter unauthorised access to buildings or an area. The primary purpose of an intruder alarm is to alert the occupants, security personnel, or authorities when an intrusion is detected. These alarms are widely used in ...
The thief could be very experienced with intruder alarm systems and possess many tools and equipment to overcome the system Grade 4 Intruder Alarms - for very high-risk properties. Intruders could be expected to plan a burglary and have the knowledge and equipment to alter parts of the intruder alarm system to prevent detection .
Intruder Alarm Grades
Intruder Alarm Grades Intruder Alarm Grades : 1-4 Explained (UK Guide) When people ask "what grade alarm do I need?", they're usually trying to match the system to the risk level of the property. In the UK, intruder alarm grades broadly describe the expected capability of an intruder and the level of protection required.
Intruder Alarm Grades Explained (Updated 2023)
What type of intruder alarm grade system do I need? The type of system you need will be determined by your assets, risk profile, requirements, and insurance needs. We would recommend that you first speak to an intruder alarm company which should perform a site survey and risk assessment of the premises in question.
Intruder Alarm Grading Alarm systems are graded 1-4 and only grades 2 and 3 are usually installed in this country by professional installers. Grades are based on the resilience to attack of the system and Insurance companies will usually specify what grade is required the grades are determined as follows:
What is a Grade 1, 2, 3, and 4 Intruder Alarm System
What are the intruder alarm system grades ? There are four grades of intruder alarm systems specified by the EN50131 standard, ranging from Grade 1 to Grade 4. The grades are based on the level of security and protection required for different types of properties, with Grade 1 being the least sophisticated and Grade 4 being the most advanced. You'll find a summary of each grade in the table ...
Systems include advanced sensors, secure communication protocols, and rigorous monitoring standards. Typical Buildings: Banks, art galleries, bonded warehouses, and jewellers. Can you mix intruder alarm grades in specific areas? In some situations, you may need intruder alarms with a comparable grade across your site.
Understanding Intruder Alarm Security Grades
An Intruder Alarm System is only graded as high as the lowest grade components fitted in the system . This means that if you have mostly Grade 3 components installed as part of your security system but just one Grade 2 component, the entire system would be graded as a Grade 2 Intruder Alarm System .
Are you wondering if you need a Grade 1, 2, 3, or 4 intruder alarm system ? Find out more from All Security Solutions.
