What are all the levels of security alarms? 2026

If you are thinking of installing an alarm in your home, or in your business, it is important to know the different alarm levels. Not all homes – or businesses – are the same nor require the same levels of protection. For this reason there are several degrees of security in alarms: to adapt to the needs of each place.

Protecting a jewelry store in the center of a big city is not the same as protecting a second home in the countryside. In the same way that you cannot compare a alarm system for an explosives warehouse with the device that a habitual residence needs.

Technology is classified by its security degree, so that it adapts to the place and the characteristics of the property it is trying to protect. Do you want to know what are the alarm levels What exist and which one is the most recommended for you? Keep reading and we will explain it to you in detail.

How many degrees of alarm security are there?

National regulations classify alarms into different levels depending on their degree of security and their components.

In Spain, these levels are regulated by article 2 of la orden INT/316/2011, which sets up four degrees of security of alarm systems depending on the risk and the nature and characteristics of the place where the installation is going to be carried out.

What type of alarm do I set in my house? What is the most recommended alarm system for my business? What security systems can I install for my storage room? What is the best option to protect a warehouse or garage?

If you have ever asked yourself questions similar to these, you first have to knowWhat are the alarm levels that exist?.

What is grade 1 alarm?

Alarm levels increase depending on their efficiency, so thatalarm level 4 is the one with the greatest protection capacity, due to its security components and, therefore, will be intended for places with critical security needs. At the same time, grade 1 alarms will have lower requirements.

These last ones are the ones thatare not connected to a CRA,so they provide less protection. It is, fundamentally, a deterrent method that can use acoustic signals such as car alarms but has no real capacity to intervene in the event of a theft or the arrival of a strange subject.

Grade 1 alarms may includefake security cameras, motion sensors that trigger a siren and signs that warn of the existence of the alarm. In short, systems and deterrents against possible intrusion into private property.

Level 1 alarm systems are recommendedfor country houses or places that require little security,given its exclusively deterrent nature; houses that constitute a second home and do not have objects of great value.

Knowing all this, are they really worth it? Yes, as long as we contextualize. You could save a lot of money on its purchase if what you want to protect is not of great value. Each thing in its right measure.

What is grade 2 alarm?

Within the different alarm levels,Grade 2 is one of the most common.It is installed in homes and small businesses, where an acceptable margin of safety is recommended, but the risk is medium or low.

To surpass their little brothers, these devices take a step forward and always offer a connection to CRA ; to a surveillance center that controls security 24 hours a day. Thus, in the event of any violation there will be the capacity to intervene and prevent damage.

The alarm center is connected to the police and security services, with attention 365 days a year. Therefore, protection and prevention no longer only depends on the tenant, but falls directly on qualified professionals .

They are atype of alarm recommended for businesses, habitual residences, second homes or any place with medium protection needs. These alarms already have certain components that reaffirm the evidence of theft.

They usually have a control panel, video surveillance cameras and motion detectors thatsend the information to the CRA. In this case, all these components allow us to obtain a lot of data that can be used by the police.

What is grade 3 alarm?

In many cases, level 2 alarms are not enough. Given the characteristics of certain facilities or businesses, the margin of protection must be even greater: this is wheregrade 3 alarm systems.

We are talking about very advanced devices that transcend the needs of regular homes, and present specific technologies for properties and premises. especially exposed to crime .

Among thebusinesses that use this type of level 3 alarmsWe can find jewelry stores or gas stations: places that, due to their exposure and handling of valuable objects or large amounts of money, require a higher level of anti-theft security.

These alarm systems have a connection to the Alarm Receiving Center, in the same way as level 2 alarms but, in addition,incorporate video surveillance systems,closed circuit television, anti-masking detector systems and even anti-frequency jamming systems.

Pharmacies, banks, gas stations, jewelry stores, art galleries or lottery administrations would be among the most frequent businesses in the use of this type of level 3 alarms security.

In them, thesafeand a good video surveillance system are key components to minimize the impact of a robbery or break-in. These tend to be accompanied by other, more costly support measures.

Security can be enhanced with 24 hour security guards or access control with biometric systems; The world of protection is almost infinite if the budget is also infinite.

What is grade 4 alarm?

Have you found the latest devices enough? Well, you should know that there are structures and buildings that do not they need even more security . Here we already enter a world far removed from the consumer market and street thieves.

To protect assets and real estate of incalculable value, institutions usually bet on level 4 alarm systems; those exclusively designed, designed and recommended for critical infrastructure, military installations or places that store explosives, as indicated by the BOE.

Remember that, in all cases, from grade 2 to grade 4 alarms, which are maximum security alarm systems, the security company that offers the different alarm levels must be approved andThe alarm equipment must have the corresponding certifications.

If you are thinking of getting a top-of-the-line alarm, look no further. In Alarms We have the trusted devices you need to protect your home.