Description

The 801PHEx/811PHExn Optical
Smoke & Heat Detectors form part of
the 800Ex Series of MX Addressable
Fire Detectors. The detector plugs
into the 5BEX base.
The mode of detector may be:
• Optical smoke only detector
(sensitivity – High, Normal or Low)
• HPO smoke detector (sensitivity
High, Normal or Low)
• Heat only rate-of-rise (A1R)
detector (no sensitivity selection)
• Heat fixed temperature 60°C (A2S
no sensitivity selection)
• Optical (sensitivity High, Normal or
Low) combined with heat fixed
temperature 60°C (A2S)
• HPO (sensitivity High, Normal or
Low) combined with heat fixed
temperature 60°C (A2S)

Loop Voltage 18 to 24 Vdc
Quiescent Current (typical) 350 μA
Alarm Current 3mA
Max. Detectors per Loop 250
Ambient Temperature -25 to 70 °C
Relative Humidity 95%