Apollo Discovery 45681-702APO Sounder Base with Isolator

Part no.

Apollo-45681-702APO

The Apollo Discovery 45681-702APO is a multifunctional device that incorporates a sounder, a short-circuit isolator within a Discovery mounting base

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Apollo Discovery Integrated Base Sounder with Isolator (Part No. 45681-702APO)

The Apollo Discovery Integrated Base Sounder with Isolator (45681-702APO) is a multifunctional addressable alarm device that combines a sounder, short-circuit isolator, and Discovery mounting base into a single unit. Designed for use with Apollo Discovery fire alarm systems, the device provides reliable audible alarm notification and is fully controlled via the Discovery protocol.

The 45681-702APO can be installed with a compatible detector fitted or used with a cap as a stand-alone alarm device, providing greater flexibility during system design. With multiple tone options, software-configurable grouping, individual volume control, and advanced self-testing, the sounder is suitable for a wide range of commercial, educational, healthcare, and public-sector applications.

Key Features

  • Compatible with Apollo Discovery systems
  • Integrated sounder, mounting base, and short-circuit isolator
  • Can operate with a detector fitted or as a stand-alone alarm device
  • 15 evacuation tones
  • 15 secondary/alert tones
  • Additional third tone option for special applications such as school class-change signalling
  • 7 selectable volume levels
  • Software-defined group addressing
  • Individual, group, or loop-wide alarm activation
  • Unique acoustic self-test facility
  • Set-up and testing at the point of installation
  • Built-in isolator with status information reporting
  • Individual volume adjustment from the fire alarm control panel
  • Soft-start function suitable for hospitals and nursing homes
  • Tones suitable for non-fire applications
  • Complies with NEN2575, DIN 33404, and DIN 0833

Typical Applications

The Apollo 45681-702APO is suitable for:

  • Commercial buildings
  • Office complexes
  • Hospitals and healthcare facilities
  • Nursing homes and care homes
  • Schools and universities
  • Hotels
  • Retail premises
  • Government buildings
  • Public buildings
  • Industrial facilities
  • Installations requiring phased evacuation or multi-tone signalling

Technical Specifications

Parameter Specification
Product Name Apollo Discovery Integrated Base Sounder with Isolator
Part Number 45681-702APO
Device Type Integrated Base Sounder
System Compatibility Apollo Discovery
Functions Sounder, Mounting Base, Short-Circuit Isolator
Tone Options 15 Evacuation Tones, 15 Alert Tones
Additional Tone Capability Yes
Volume Levels 7 Selectable Levels
Addressing Software-Defined Group Addressing
Alarm Activation Individual, Group, or Entire Loop
Acoustic Self-Test Yes
Isolator Status Monitoring Yes
Volume Control Programmable from Control Panel
Soft Start Function Yes
Standards Compliance NEN2575, DIN 33404, DIN 0833
Stand-Alone Operation Yes (with Cap Fitted)
Built-In Isolator Yes

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