The TYCO/THORN M300 (517.025.001) is a detector mounting base and skirt designed for the TYCO/THORN M300 series plug-in fire detectors. It provides the mechanical mounting and electrical connection for compatible smoke, heat and flame detector variants and can be installed with several mounting arrangements.
Key Features
- Designed specifically for M300-series plug-in fire detectors.
- Provides both mechanical mounting and electrical connection to the detector.
- Supplied with a base and skirt.
- Compatible with British and European conduit boxes.
- Can be used with a recessed mounting kit or deckhead mounting kit (DHM35).
- Optional detector locking arrangement is available using the M300 locking accessories.
- Dedicated versions are available for intrinsically safe (M300Ex) and continuity-diode applications.
- Suitable for maintenance and replacement of legacy THORN/TYCO M300 fire detector installations.
Typical Applications
- Marine fire detection systems
- Shipboard and offshore fire alarm installations
- Conventional M300-series smoke and heat detector installations
- Ceiling-mounted fire detectors
- Replacement of existing M300 detector bases
- TYCO/THORN legacy Minerva fire detection systems
- Industrial and commercial fire detection installations.




