D342 Family four‑wire duct smoke detector housings

D342 Family four‑wire duct smoke detector housings
  • For 1 ft. (30.5cm) to 10 ft. (3 m) ducts with air velocity between 300 ft./min. to 4000 ft./min. (1.52 m/s to 20.3 m/s)
  • Easy duct tube installation through the housing cuts installation time
  • Detector test and reset without removing covers
  • Clear cover allows quick visual inspection
  • Tube filters, dust immune smoke detector, and easy disassembly for cleaning reduce maintenance time and cost
  • Details
    Voltage, operating 20 VDC to 29 VDC, 24 VAC, 220 VAC, or 240 VAC
    RMS ripple, maximum 25 percent of DC input
    Power-up time 22 sec maximum
    Outputs
    Alarm Form A Normally Open (NO and C) contacts 0.5 A at 24 VDC and 24 VAC, 0.1 A at 120 VAC
    Auxiliary Two Form C Normally Open and Normally Closed (NO and C and NC) contacts 10 A at 24 VDC, 24 VAC, 120 VAC, or 240 VAC
    Trouble Form “A” Normally Open (NO/C) contacts 0.5 A at 24 VDC, 24 VAC, 0.1 A at 120 VAC
    Current Draw - Nominal Primary Voltage
    Condition 24 VDC , 24 VAC , 120 VAC , 230 VAC
    Alarm 65 mA , 200 mA , 110 mA , 30 mA
    Standby 15 mA , 85 mA , 100 mA , 25 mA
    Trouble 15 mA , 85 mA , 100 mA , 25 mA
    Current Draw - when connected to the D344-RL/D344-RT
    Condition 24 VDC , 24 VAC , 120 VAC , 230 VAC
    Alarm 15 mA , 0 mA , 0 mA , 0 mA
    Standby 10 mA , 0 mA , 0 mA , 0 mA
    Trouble 10 mA , 0 mA , 0 mA , 0 mA
    Alarm and Remote Coil (ON) 150 mA , 150 mA , 25 mA , 20 mA
    Relative humidity 0 to 95%, non-condensing
    Temperature, operating +32°F to +120°F (0°C to +49°C) For UL Listed requirements, the operating temperature is +32°F to +100°F (0°C to + 37.8°C)
    Package Dimensions (LxWxH) 19.6 in. x 7.6 in. x 8 in. (49.8 cm x 19.2 cm x 20.2 cm)
    Product Dimensions (LxWxH) 15.5 in. x 4.25 in. x 6.5 in. (39.5 cm x 11 cm x 16.5 cm)
    Material High‑impact fire‑retardant polymer plastic
    WeightGross Net 4.67 lb. (2.11 kg)4.07 lb. (1.84 kg)

    Images

     
  • Certificates (2)
    Title Type Language
    CSFM PDF
    HKFSD PDF
     
  • Documents (3)
     
 

Product variants

D342 Duct detector housing 4-wire 24/220/240V

Four-wire duct detector housing that works with all 24 VDC or 24 VAC, 220 VAC, or 240 VAC UL Listed four‑wire control panels.

Commercial Type No.: D342
Product No.: 4.998.113.254

 
D342P Duct detector kit, 4-wire 24/220/240V

Kit comes with a D342 Four‑wire Duct Smoke Detector Housing, a D285DH Photoelectric Duct Smoke Detector Head, and a D344-1.5 Sampling Tube.

Commercial Type No.: D342P
Product No.: 4.998.137.960

 
 

Accessories

D285DH Duct smoke head, 2-/4-wire, 12/24V

D285DH Duct smoke head, 2-/4-wire, 12/24V

Detects the large smoke particles which typically result from wood, paper, and fabric combustion

Commercial Type No.: D285DH
Product No.: 4.998.140.344

 
D344-RL Remote indicator plate

D344-RL Remote indicator plate

Used with the D340 Series Duct Smoke Detector Housings

Commercial Type No.: D344-RL
Product No.: 4.998.140.354

 
 
D344-RT Remote test/indicator plate, 24V

D344-RT Remote test/indicator plate, 24V

Use with a D340/D341/D342 or D343 (legacy product) Duct smoke housing or D296/D297 Long‑range beam smoke detector.

Commercial Type No.: D344-RT
Product No.: F.01U.024.868

 
D344-1.5 Sample tube, duct 1.5'/45.7cm

D344-1.5 Sample tube, duct 1.5'/45.7cm

length 45.7 cm (1.5 ft)

Commercial Type No.: D344-1.5
Product No.: F.01U.029.219

 
 
D344-3 Sample tube, duct 3'/91.4cm

D344-3 Sample tube, duct 3'/91.4cm

length 91.4 cm (3 ft)

Commercial Type No.: D344-3
Product No.: F.01U.029.175

 
D344-5 Sample tube, duct 5'/152cm

D344-5 Sample tube, duct 5'/152cm

length 1.52 m (5 ft)

Commercial Type No.: D344-5
Product No.: F.01U.029.174