Apollo Multi-Tone Open Area Sounder Visual Indicator with Isolator – white (55000-294APO)

Part no.

Apollo-55000-294APO

The Apollo Multi-Tone Open Area Sounder Visual Indicator with Isolator – white (55000-294APO) is designed for use in indoor open areas and can be connected to any Discovery or XP95 system.

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Apollo Multi-Tone Open-Area Sounder Visual Indicator with Isolator – White (55000-294APO)

The Apollo 55000-294APO Multi-Tone Open-Area Sounder Visual Indicator combines powerful audible and visual alarm notification in a single addressable device, making it ideal for indoor open-area fire alarm applications. Designed for use with Apollo XP95 and Discovery fire alarm systems, it provides clear warning signals while simplifying installation and system integration.

The device combines a high-performance sounder with a visual indicator to ensure alarms can be both heard and seen. In addition, it complements Apollo’s range of Intelligent Base Sounders, Integrated Base Sounders, and Multi-Tone Open-Area Sounders, enabling a consistent signalling solution throughout a fire detection system.

The 55000-294APO offers a choice of industry-recognised alarm tones, including Apollo, Slow Whoop, and DIN tones. Users can also select between 92 dB(A) and 100 dB(A) output levels to suit the installation environment.

Furthermore, the sounder supports synchronisation of Alert and Evacuate tones, ensuring consistent alarm operation across multiple devices. Individual and group addressing provides additional flexibility, while the built-in short-circuit isolator helps maintain loop integrity and system availability in the event of a wiring fault.

Key Features

  • Addressable sounder and visual indicator
  • Part Number: 55000-294APO
  • White housing
  • Compatible with Apollo XP95 and Discovery fire alarm systems
  • Suitable for indoor open area applications
  • Combined audible and visual alarm notification
  • Choice of alarm tones:
    • Apollo
    • Slow Whoop
    • DIN
  • Selectable sound output:
    • 92 dB(A)
    • 100 dB(A)
  • Synchronisation of Alert and Evacuate tones
  • Individual addressing capability
  • Group addressing capability
  • Integrated short-circuit isolator
  • Complements Apollo Intelligent and Integrated Base Sounders
  • Reliable addressable communication

Typical Applications

  • Office buildings
  • Schools, colleges, and universities
  • Hospitals and healthcare facilities
  • Hotels and hospitality venues
  • Retail stores and shopping centres
  • Airports and transportation hubs
  • Residential apartments and accommodation blocks
  • Warehouses and storage facilities
  • Public and government buildings
  • Industrial and manufacturing facilities

Technical Specifications

Specification Details
Product Code 55000-294APO
Product Type Addressable Open-Area Sounder Visual Indicator with Isolator
System Compatibility Apollo XP95 & Discovery Systems
Protocol XP95 / Discovery
Power Supply Loop Powered
Integrated Isolator Yes
Sound Output Up to 100 dB(A)
Selectable Sound Levels 92 dB(A) and 100 dB(A)
Tone Options Apollo, Slow Whoop and DIN Tones
Visual Indicator Red Flashing LED Beacon
Body Colour White
Flash Colour Red
Mounting Location Open-Area Applications
Operating Voltage 17–28 V DC
Quiescent Current Approximately 300 µA
Synchronisation Yes
Addressing Individual and Group Addressing
Operating Temperature -20°C to +70°C
Humidity 0–95% RH (Non-Condensing)
IP Rating IP65
Housing Material Polycarbonate
Diameter 104 mm
Depth 97.5 mm
Standards EN54-3, EN54-17, EN54-23
Approvals LPCB, VdS, CPR

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