Siemens FDOOTC441 Smoke Detector imported eBay ensuring excellent protection against surges

ensuring excellent protection against surges

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

Powered by the two-wire SLC loop

520 Hz Low Frequency Audible Base

Easy Integration – Simplifies system expansion and upgrades

Siemens FDOOTC441 Smoke Detector imported eBay ensuring excellent protection against surgesModel 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,