What is the EN 1522?
EN 1522 is a European Standard that specifies the requirements and classifications for windows, doors, shutters, and blinds when subjected to testing.
This standard applies to these components, including their frames and infills, to evaluate their resistance against attacks by handguns, rifles, and shotguns.
Related European standards include:
- EN 1523: Outlines the testing methods for the bullet resistance of windows, doors, shutters, and blinds.
- EN 1063: Focuses on the testing and classification of security glazing for resistance against bullet attacks.
Understanding EN 1522
For detailed insights into EN 1522, militaryvehiclesdata.com provides a comprehensive overview. This includes:
- Simplified protection level tables.
- A detailed list of additional ammunition types according to standard.
This resource serves as a practical guide for understanding the standard and its applications.
EN 1522 Protection Levels
The EN 1522 standard specifies protection levels ranging from FB1 to FB7, as well as FSG, designed to safeguard against handguns, rifles, and shotguns. These levels are outlined as follows:

In addition, EN 1522 establishes testing conditions for ammunition types that are not commonly available in the European market. These ammunition types and their corresponding testing conditions are defined below;

Important Note: The additional ammunition types and testing conditions are intended for informational purposes only. Their results are not directly comparable to the FB1 to FB7 or FSG classifications.
Conclusion
EN 1522 is one of the important standards that outlines protection levels, threats, and testing methodologies for armored vehicles. This article is compiled using publicly available information and documents to provide a simplified and accessible summary of the standard.
Due to the sensitive nature of EN 1522, updates to the standard may introduce new protection levels, ammunition types, or testing methodologies as neede
Other Standards
EN 1522

EN 1063 is a European Standard that specifies the requirements and classifications for security glazing when subjected to testing. You can see all details of EN 1063 on militaryvehiclesdata.com
STANAG 4569

STANAG 4569 is a NATO military standard that defines protection levels for occupants of armored vehicles. You can see all details of STANAG 4569 on militaryvehiclesdata.com
Vehicle Info
Iveco LMV

The Iveco LMV Light Multirole Vehicle is a four-wheel armored military vehicle designed and developed by the Italian defence company Iveco Defence Vehicles. Technical specifications of all Iveco LMV variants is here.
Arquus Sherpa Light

The Arquus Sherpa Light is a 4-wheel armored military vehicle designed and developed by French defence company Arquus (formerly Renault Trucks Defense). Technical specifications of all Arquus Sherpa Light variants here.
International MaxxPro

The MaxxPro, a four-wheeled mine-resistant ambush-protected (MRAP) vehicle, was developed by the U.S.-based defense company Navistar Defense. Technical specifications of all International MaxxPro variants here.
Denel OMC RG31

The RG31, a four-wheeled mine-resistant ambush-protected (MRAP) vehicle, was developed by BAE Systems and Denel OMC. Technical specifications of all Denel OMC RG31 variants here.
Oshkosh M-ATV

The M-ATV is a 4-wheels mine-resistant ambush protected vehicle (MRAP) designed and developed by US defence company Oshkosh Defense. Technical specifications of all Oshkosh M-ATV variants is here
