D341 Family four‑wire duct smoke detector housings

D341 Family four‑wire duct smoke detector housings
Duct detector housing, 4-wire 24/120V
CTN D341
Product No. 4.998.113.250

D341 Family four‑wire duct smoke detector housings
Duct detector kit, 4-wire 24/120V
CTN D341P
Product No. 4.998.137.958

Duct smoke head, 2-/4-wire, 12/24V
CTN D285DH
Product No. 4.998.140.344
Detects the large smoke particles which typically result from wood, paper, and fabric combustion

Remote indicator plate
CTN D344-RL
Product No. 4.998.140.354
Used with the D340 Series Duct Smoke Detector Housings

Remote test/indicator plate, 24V
CTN 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.

Duct tube filters, 20pcs
CTN 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
CTN 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