WebThe 449CST smoke detector comes with a plug-in terminal block, a 6.1-inch detector head diameter, a 135.0 °F fixed heat detection rate, a field-replaceable optical chamber, an on-site maintenance alert, as well as a white colored appearance. WebThe ESL 449CTE is a self-diagnostic, four-wire smoke detector with an extra relay that provides two added functions: power supervision and sensitiv-ity status. The 449CTE Supervisory relay is normally energized, and will trip with loss of power, providing power supervision. The relay also trips if the detector's self-diagnostics detect an ...
ESL 700 Series Conventional Smoke and Heat Detector Installatio…
WebThe 721UT photoelectric detector includes integrally fixed temperature heat detectors. The ESL 711U smoke detector is suitable for use in commercial as well as industrial environments. If the detector drifts out of its UL Listed sensitivity range or fails internal diagnostics, the alarm LED flashes once a second to indicate trouble. WebThe Model 721UT photoelectric detector includes an integral fixed temperature and rate-of-rise heat detector. A remote LED indicator is available for Models 721U, 721UT, and … johnson county texas zip codes
ESL 449CT - FireAlarm.com
WebThe ESL photoelectric smoke detector is a side mounted, light-scattering optical sensor that provides outstanding stability and excellent response to a wide ... heat detector, with remote test input and remote alarm/trouble LED output 731U-10pk 2-wire photoelectric smoke detector, with auxiliary relay (N.C./N.O.) outputs, WebThe 449CRT is a UL listed 4-wire 12/24VDC Photoelectric Heat and Smoke Detector with dual fixed temperature and rate-of-rise heat sensor conditions as well as an auxiliary … WebThe ESL 449CSRH optical chamber is modeled to reduce false alarms with dust, insect, and external light sensitivity.Also, Chamber is removable for easy replacement and cleaning. Additionally, smoke detection is controlled by an internal local alarm, allowing for smoke or smoke-free room options in any residential or commercial facility. how to get your company iso 9001 certified