Vesda VLF-250 (VLF-250-00) Laserfocus Small Area DetectorThe VESDA VLF 250 detector is a very early warning smoke detector designed to protect small, business critical environments of less than 250 m2 (2,690 sq. ft.). The detector works by continually drawing air into sampling holes in a pipe network. The air is filtered and passed into a detection chamber where light scattering technology detects the presence of very small amounts of smoke. Detector status information is communicated on the detector

400 Hz to 4 kHz bandwidth

eBayProduct OverviewThe ZA-42 Zone Adder Module is designed to expand the capabilities of the PFC-5004E fire alarm control panel

Edwards 757A-SBW Surface Box Indoor White

or 4020 series Fire Alarm Control Panels

— Supports two stage alarm function of “Alert” and “Evac”

3 on-board relay outputs

Security Monitor IAM model 4090-9121 has both power and communications supplied by a two-wire 4100ES

Input voltage: 16

It snaps into multi-module backplates for compact builds and faster field wiring

The BG12TR is usually needed for semi-flush mounting with 4" (10

The 6815 communicates with the FACP via an RS 485 system bus

“LOCKDOWN”