Conventional photoelectric smoke alarm 24V 2 wire
EN54 Certificated 2 wire conventional photoelectric smoke sensor
The fire detector should be tested and maintained regularly following NFPA 72 requirement for fire alarm and fire detection systems.
The detector include a tamper resistant capability that prevents their removal from the bracket without the use of a tool.
It requires correct smoke detectors wiring with conventional fire alarm panel for function of detector fault and missing alarm.