The TYCO M600M/M900M (517.050.401) is a 4-inch universal detector mounting base for TYCO/THORN Series 600 conventional and Minerva MX addressable detectors. It provides both mechanical mounting and electrical connection, with the address key allowing an addressable detector’s identity to remain associated with the base when the detector is replaced.
Key Features
- 4-inch universal detector base for TYCO 600/900-series applications.
- Compatible with both conventional and addressable detectors.
- For addressable detectors, the address key automatically transfers/retains the detector address at the base, simplifying detector replacement.
- Remote LED connection available for remote alarm indication.
- Incorporates an anti-tamper facility to help prevent unauthorized detector removal.
- Designed for direct ceiling/deckhead mounting.
- For humid, dirty or environmentally demanding marine locations, a suitable deckhead mounting arrangement can be used.
- Listed by TYCO documentation as the M600 Base for compatible T1000 marine fire controllers.
- DNV documentation confirms its use as a common base for approved TYCO marine detectors.
Typical Applications
- TYCO Minerva MX addressable fire alarm systems
- TYCO T1000 marine fire alarm panels
- Series 600 conventional smoke and heat detectors
- Ships, vessels and offshore installations
- Marine machinery spaces and accommodation areas
- Replacement of existing M600/M900 detector bases
- Fire detection system maintenance, refurbishment and detector upgrades.




