Apollo 45681-211APO Isolator Base

Part no.

Apollo-45681-211APO

The Apollo 45681-211APO is an Isolator Base. The 45681-211APO is unique and is designed to only accept the Apollo Isolator 55000-720APO.

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Apollo Isolator Base (45681-211APO)

The Apollo 45681-211APO Isolator Base is a dedicated mounting base designed exclusively for use with the Apollo 55000-720APO Short Circuit Isolator. By positioning isolator bases at strategic intervals around an XP95 or Discovery loop, installers can enhance system resilience and minimise the impact of wiring faults.

When a short circuit occurs, the isolator immediately detects the fault and automatically disconnects the affected section of the loop. Consequently, the remainder of the system continues to operate normally, maintaining fire protection throughout the unaffected areas. Furthermore, by limiting the fault to a specific section, the isolator helps reduce disruption and simplifies fault identification.

Once the short circuit has been cleared, the isolator automatically reconnects the affected section, re-establishing both power and data communication. As a result, the loop quickly returns to full operation without requiring manual intervention, ensuring continuous system reliability and reducing maintenance time.

Key Features

Designed exclusively for the Apollo 55000-720APO Short Circuit Isolator
Detects wiring short circuits using patented technology
Minimises disruption caused by short-circuit faults
Automatically isolates affected loop sections
Automatic de-isolation when the fault is removed
Maintains operation of unaffected devices on the loop
Up to 20 detectors (or equivalent devices) may be installed between isolators
Suitable for XP95 and Discovery addressable fire alarm systems

Typical Applications

XP95 addressable fire alarm systems
Discovery addressable fire alarm systems
Commercial buildings
Educational facilities
Healthcare environments
Industrial premises
Large installations requiring enhanced loop fault protection

Technical Specifications

Specification	Details
Product Code	45681-211APO
Product Type	Isolator Base
Compatible Device	Apollo 55000-720APO Short Circuit Isolator
Loop Function	Isolates short-circuited loop sections
Fault Recovery	Automatic de-isolation after fault removal
Installation	Mounted at intervals around the detection loop
Device Capacity	Up to 20 detectors (or equivalent) between isolators
Compatibility	Apollo XP95 and Discovery systems
Base Type	Dedicated isolator base (not compatible with standard detectors)

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