Bosch D340 Two-Wire Duct Smoke Detector Housing

The D340 Duct Smoke Detector Housings mount on the ducts of heating, ventilation, and air conditioning (HVAC) systems to monitor the presence of smoke in the conditioned air. The housing works with the D285DH Photoelectric Duct Smoke Detector Head. The efficient housing design samples the air passing through a duct and detects potentially hazardous conditions. When smoke is detected, the detector sends an alarm signal to the control panel or HVAC control equipment that initiates the necessary action to control air handling systems.

UPC: 782695088968
Also known as: DS-D340, BOS-D340

Technical Specifications: Current (alarm): Depends on control panel that must limit the alarm current to 100 mA maximum Current (standby): 0.12 mA maximum Alarm: Depends on control panel that must limit the alarm output to 100 mA maximum Weight (housing only): 3.75 lb (1.7 kg) Material: High‑impact fire‑retardant polymer plastic Dimensions (H x W x D): 6.5 in. x 15.5 in. x 4.25 in. (16.5 cm x 39.5 cm x 11 cm) Temperature (operating): +32°F to +120°F (0°C to +49°C) Relative Humidity: Up to 93% non‑condensing Voltage (operating): 8.5 VDC to 32 VDC from control panel

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