Siemens FDOOTC441 Smoke Detector imported eBay

Siemens FDOOTC441 Smoke Detector imported eBayModel FDOOTC441 is an advanced, multi criteria fire CO detector that incorporates a redundant optical thermal sensor. Additionally, Model FDOOTC441 utilizes ASAtechnology a distinctive forward backward, light scattering technology that provides high tech, unparalleled fire detection to the widest range of fire types allowing the detector to distinguish non threatening deceptive phenomena. Features UL 268 7th edition Listed, ULC Listed; FM (#3230,

significantly boosts communication speeds among analog intelligent devices

520 Hz Low Frequency Audible Base

Powered by the two-wire SLC loop

Easy Integration – Simplifies system expansion and upgrades

flame retardant thermoplastic housing

or monitor type dry contact initiating device circuits (IDCs) to a Signature loop controller

It operates at 25/70

ensuring excellent protection against surges

which mounts on a 4-inch octagon

Efficient Integration – This simplifies communication with external fire safety devices

the Adapter feature offers four field selectable candela settings – 15/75

Wiring: Single-Circuit Heat Sensor: 135°F (57°C) fixed temperature Wiring Gauge: 14-22 AWG Dimensions: 1