Bosch FAP-440-D FAP-440 Dual Ray Detectors Analog dual-photoelectric detector head Commercial F.01U.163.820

Dual Ray Technology provides better particle size differentiation resulting in fewer false alarms Smoke threshold is adjustable and automatically compensated Rotary switch addressing Flexible work modes determined by the control panel Selectable base locking mechanism prevents malicious removal of the detector Maximum current consumption (at 77°F (25°C) 39 V bus voltage) StandbyAlarmWhen polled 0.17 mA5 mA22 mA ± 20% Operating voltage (SLC loop) 24 V DC to 41 V DC Maximum allowable line resistance 50 Ω Protection category IP 42 Relative Humidity < 95% (non-condensing) Installation temperature +32°F to +100°F (0°C to +38°C) Storage temperature -13°F to +176°F (-25°C to +80°C) Dimensions (Ø x D) 4.4 in. x 2.0 in. (11.2 cm x 5.1 cm) Housing Material CYCOLOY/ABS Airflow 4000 ft./min (20