How to choose the right type of fire alarm
Published on 25 February 2026

The fire alarm is at the heart of a fire safety system (FAS). It enables a fire outbreak to be detected quickly, alerts occupants and organises evacuation. But faced with the different types of alarm available (type 1, type 2a, type 2b, type 3 and type 4), it is not always easy to know which one to install. The choice depends on several criteria: regulations, the size of the premises, their use and the number of people present.
In this article, La P.I.P.E. guides you through the different systems, to help you choose the alarm best suited to your needs.
The different types of fire alarm
- Type 1 alarm: the most complete. Connected to a fire detection control panel. Compatible with automatic detectors and manual call points. Signal broadcast via sirens and visual alarm devices. 👉 Recommended for large public-access buildings and high-rise buildings (hospitals, shopping centres, industrial sites).
- Type 2a alarm: the standalone control panel. Connected only to manual call points. Works without automatic detectors. Good coverage for medium-sized buildings. 👉 Suited to schools or offices of intermediate size.
- Type 2b alarm: the simplified solution. Uses a trigger panel with no real control panel. Simpler power supply, quick installation. 👉 Suited to buildings with limited public access.
- Type 3 alarm: modular and cost-effective. System based on a standalone triggering unit (EAD). Manual triggering only. 👉 Often used in restaurants, small shops and category 5 public-access buildings.
- Type 4 alarm: the most basic. Comes in the form of simple units or sound megaphones. Direct manual triggering. 👉 Reserved for small establishments or as a backup system.
What criteria should guide your choice of fire alarm?
1. The category of the establishment
Regulations (for public-access buildings and high-rise buildings) set out precise obligations. The higher the risk (high footfall, vulnerable occupants, industrial risk), the more complete the system needs to be.
2. The floor area and layout of the premises
Large open spaces → type 1 or 2a. Partitioned buildings → automatic detectors required. Small premises → type 3 or 4 are sufficient.
3. The number and profile of occupants
Children, patients, elderly people → advanced systems with visual and audible alarms. Limited, independent public → simpler systems.
4. Budgetary and technical constraints
It is possible to start with a basic system (type 3 or 4) and then upgrade to a type 1 system with automatic detection.
The regulations to know
In France (and widely across French-speaking Africa), regulations require:
- The installation of a fire alarm system compliant with the EN54 standard.
- Mandatory annual maintenance by an approved professional.
- Regular testing to check that it is working properly.
At La P.I.P.E., we support businesses and public-access buildings in bringing their fire alarm systems into compliance.
Installation and maintenance: a key point
An effective alarm system does not rely solely on the choice of equipment. It must also be:
- Installed by certified experts.
- Regularly checked to guarantee its reliability.
- Tested through evacuation drills.
The choice of a fire alarm system depends on many factors: the nature of your premises, their capacity, their activity and the legal requirements. Installing a suitable alarm means protecting your staff, your clients and your property while complying with the regulations.
Entrust your fire safety projects to La P.I.P.E., a specialist in the installation, audit and maintenance of fire alarm systems (FAS).
























