D341 Family four‑wire duct smoke detector housings
D341 Family four‑wire duct smoke detector housings
Duct detector housing, 4-wire 24/120V
Commercial Type No. D341
Product No. 4.998.113.250
D341 Family four‑wire duct smoke detector housings
Duct detector kit, 4-wire 24/120V
Commercial Type No. D341P
Product No. 4.998.137.958
| Voltage, operating | 20 VDC to 29 VDC, 24 VAC, or 120VAC |
| RMS ripple, maximum | 25 percent of DC input |
| Power-up time | 22 sec maximum |
| 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 |
| 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 |
| 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 |
Duct smoke head, 2-/4-wire, 12/24V
Commercial Type No. D285DH
Product No. 4.998.140.344
Detects the large smoke particles which typically result from wood, paper, and fabric combustion
Remote indicator plate
Commercial Type No. D344-RL
Product No. 4.998.140.354
Used with the D340 Series Duct Smoke Detector Housings
Remote test/indicator plate, 24V
Commercial Type No. D344-RT
Product No. F.01U.024.868
Use with a D340/D341/D342 or D343 (legacy product) Duct smoke housing or D296/D297 Long‑range beam smoke detector.
Sample tube, duct 1.5'/45.7cm
Commercial Type No. D344-1.5
Product No. F.01U.029.219
length 45.7 cm (1.5 ft)
Sample tube, duct 3'/91.4cm
Commercial Type No. D344-3
Product No. F.01U.029.175
length 91.4 cm (3 ft)
Sample tube, duct 5'/152cm
Commercial Type No. D344-5
Product No. F.01U.029.174
length 1.52 m (5 ft)
Duct tube filters, 20pcs
Commercial Type No. D344-TF
Product No. 4.998.137.961
Replaceable filters for duct detector sampling tubes, available in packages of 20
Relay module, form C, 10A 12/24V
Commercial Type No. PAM-4
Product No. F.01U.135.043
One set of 10.0 A, Form C contacts that can be energized across a range from 9 VDC to 40 VDC