Public address & general alarm

Alarms and evacuation - reliable, safe, controlled

In emergency situations, the safety of personnel is the highest priority. They must be warned in time and evacuated from the danger areas with specific instructions. Public address and general alarm systems from INDUSTRONIC distribute life-saving information in all relevant areas, thus helping to prevent fatal accidents.

The systems add to the benefits of a public address system with alarm and evacuation functions. In the event of a general alarm, all non-essential functions such as background music are shut off automatically. At the same time, recorded tone signals and messages are started, which offer maximum protection against hazards thanks to excellent speech intelligibility especially in combination with optical signal transmitters. In addition, safety personnel can also issue specific instructions for the evacuation process.

Our PA/GA system meets all the requirements of the relevant standards for emergency warning systems and is certified to EN 60849.

Typical applications

  • Areas where there is a risk of explosion or fire in all sectors of industry
  • Petrochemical, pharmaceutical and plastic processing chemical plants
  • Production sites in the steel and mining industries
  • Hazardous environments such as oil platforms and refineries
  • Processing areas in power plants

Customized solution

INDUSTRONIC supports you in choosing a system that meets your requirements in the optimum way. We implement both customized alarm system concepts for small production sites and fixed specification, site-wide general warning scenarios for large-scale industrial complexes.


Communication technique

Every alarm reaches its destination

One speaker - heard by everyone, even in an emergency. In the event of a hazard occurring, alarms interrupt any ongoing voice announcements and emergency fire service calls interrupt active alarms. Life-saving instructions are issued to persons in danger, targeted to specific locations and situations.

Thus, you can control emergencies and avoid escalation.

System Highlights


  • IP technology, digital or analog technology as required
  • Excellent speech intelligibility and tone quality
  • Can be used in buildings, factories and industrial plants

Optimum availability and reliability

  • Redundant system design in multiple stages
  • Permanent monitoring of all components and the entire infrastructure
  • Additional monitoring of each individual loudspeaker line
  • Prioritization of connections with up to 200 priority levels


  • Modular system architecture for rapid and simple expansion
  • Connection to control stand systems, management systems, communication servers
  • Intelligent interfaces to sensor systems such as fire detection systems, emergency alarm systems, wind sensors, etc.

General alarm concepts

  • Combination of predefined alarm procedures and individual alarms
  • User help system with permanent tone/text sequences, announcements and all-clear signals
  • Guaranteed safety levels
  • Integration into your emergency and evacuation concept

Modification for all areas of application

  • Special components for use in explosion-hazard environments
  • Safety components such as backup amplifiers, emergency power supply, uninterruptible power supply, battery buffer
  • Optical display units such as beacons or information panels for compressor and other production areas that are hard to reach acoustically
  • Functional, easy-to-use control devices for indoor areas
  • Rugged terminals for use in extreme temperatures, high noise areas and in aggressive environments with dust, humidity and acids


  • Simple, intuitive operation even in stressful situations such as gas leaks or fire
  • Rapid overview of active alarms via clear displays
  • Priority-controlled processes to support the user
  • Site-wide operation via remote configuration
  • Remote monitoring, remote diagnostics and remote maintenance
  • Pre-programmed announcement texts and standard alarm tones at the touch of a button

Standards – approvals – certifications

  • TÜV-certified standards compliance to EN 60849 for electro-acoustic emergency warning systems
  • Compliance with all relevant national and international standards for public address systems
  • Country and application-specific certifications, e.g. for the offshore sector
  • Internationally approved explosion-proof equipment


Reliable alarm systems - emergency warning

Pre-defined alarm processes

Various warning processes and scenarios are programmed according to your emergency plan. These start automatically in the event of an emergency, e.g. gas leaks - taking into consideration wind direction and wind speed.  

Pre-recorded texts ensure that instructions are clear and easily understood.

Manual Warnings and all-clear signals

Individual, and where required, personalized speech announcements with specific instructions for persons at risk help prevent panic breaking out and drastically speed up life-saving measures such as escape operations, evacuations or the closing of doors and windows. Alarms can be stopped manually in case of all-clears.

Individual configuration

Manual actuation and automated sequences such as standard alarm tones, recorded speech messages and instructions, acoustic hazard signals and individual announcements can be freely combined, e.g. confirm the start of an alarm, trigger a pre-tone or interrupt an alarm with an important announcement.

Flexibility & safety 


  • Different priority levels
  • Priority-dependent alarms: higher prioritized announcements during an active alarm interrupt the alarm, e.g. for calls to the fire service
  • Mandatory call function: Alarm signals are issued at a minimum volume, depending on the individual settings on a station or loudspeaker


  • Permanent, automatic self-monitoring of all the peripherals and safety-related components such as backup amplifiers, emergency power supply, fire station microphone, etc.
  • Monitoring of all individual loudspeaker lines for short circuit, cable break, impedance deviation, earth fault, etc.
  • Automated fault message output
  • Software monitoring
  • Automatic status display
  • Fault signaling on main call station
  • Variety of optical signaling and displays

Integration & networking

  • Connection to control stand systems, e.g. to display fault conditions
  • Integration of emergency signaling systems, e.g. fire alarm systems
  • Interfaces to various sensor systems for automatic alarm activation
  • Telephone connection for alarm control and announcements by telephone
  • Activation of traffic lights, fans, etc.
  • Integration of elevator emergency call system


Maximum protection

  • Reliable protection of human safety, the environment and capital goods
  • Rapid, targeted and guaranteed transmission of life-saving information in all relevant zones
  • Controlled evacuation of persons and targeted guidance of rescue services
  • Simple and rapid operation, even in stressful situations, avoids errors

Compliance with legal stipulations

  • Compliance with legal regulations to protect persons in emergency situations
  • Implementation of your internal company safety, health and environmental policies

Automated warning procedures

  • Automation of complex warning procedures frees up control room personnel

Emissions protection

  • Meets the requirements of emissions protection regulations
  • Time-controlled volume reduction at night prevents nuisance noise

Protection of investment

  • Protection of investment thanks to long product life cycle
  • Future-proof expansion options
  • Can be modified to meet future requirements