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and 504-point addressable fire alarm systems
Up to 2 detector heads can report to a single ground-level controller
Mechanical locking feature restricts removal of attached sensor head
Simplex 4905-9929 Isolator Module Truealert
• Photoelectric smoke detection with 135°F fixed thermal sensor
System Sensor SCRHK Outdoor Selectable Output Strobe System Sensor HRL-LF and 504-point addressable fire alarmSystem Sensor SCRHK SpectrAlert Advance Outdoor Selectable Output Strobe, High CD, Red, Outdoor (Includes Plastic Weatherproof Back Box) The strobe shall be a System Sensor SpectrAlert Advance listed to UL 1971 and shall be approved for fire protective service. The strobe shall be wired as a primary signaling notification appliance and comply with the Americans with Disabilities Act requirements for visible signaling appliances, flashing at 1 Hz over