The Tyco 4B-D (517.050.045) is a standard 4″ Detector Base that is fitted with a continuity diode. The Tyco 4B-D is suited to be used with all the Tyco 600 Series Detectors. The Tyco 4B-D Detector Base ensures that if the Detector is removed, any Detector or Call Point that comes after it continuous to function.
Features
Compatible with Series 600 low profile Detector range
Designed for two wire operation
Facility to drive a remote indicator
A breakout locking key is provided as an integral part of each Base, which can be fitted to lock the Detector into position
A temporary park position is provided so that the field wiring can be tested with the Detector in place
Maybe fitted directly to a British or European Conduit Box or directly onto the ceiling.
