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ESL

(image for) ESL 521B Smoke Detector, 2 Wire, 6-24VDC

ESL 521B Smoke Detector, 2 Wire, 6-24VDC

            Smoke Detector, 500 Series, Photo, 2-wire, CleanMe®, 6-24VDC Discontinued and Replaced with 521NB   Replacement for ESL 429C     Alarm Current Consumption[Maximum] 60.0 mA Detector Head Depth[Nominal] 2.0 in Detector Head Diameter[Nominal] 5.0 in Drift Compensation Adjustment 1 %/ft Field Wiring Size[Minimum] 12.0...
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(image for) ESL 541C Smoke Detector

ESL 541C Smoke Detector

              Smoke Detector, 500 Series, Photo, 4-Wire, 12-24VDC, UL   Discontinued - Can Use ESL 541NB as a replacement The 500 Series self-diagnostic, two & four wire smoke detectors are conventional direct-wire smoke detectors with analog features such as remote maintenance/trouble reporting (CleanMe®), drift compensation, and multi-criteria detection. The 500...
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(image for) ESL 541CXT Smoke Detector with Heat

ESL 541CXT Smoke Detector with Heat

              Smoke Detector, 500 Series, Photo, 4-Wire, Heat, 12/24VDC Discontinued - No Stock Remains! Can use System Sensor 4WTB as a suggested replacement   The 500 Series self-diagnostic, two & four wire smoke detectors are conventional direct-wire smoke detectors with analog features such as remote maintenance/trouble reporting (CleanMe®), drift compensation,...
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(image for) ESL 541NB Four Wire Photoelectric Smoke Detector

ESL 541NB Four Wire Photoelectric Smoke Detector

          CALL FOR AVAILABILITY Four Wire Photoelectric Smoke Detector 6-33VDC   Can use as a Replacement for ESL 449C which is discontinued   Built-in sounder available Patented CleanMe feature Built-in dust compensation Field-replaceable optical chamber
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(image for) ESL 541NBXT Smoke Detector

ESL 541NBXT Smoke Detector

          CALL FOR AVAILABILITY BEFORE ORDERING Smoke Detector, 500 Series, Photo, 4-Wire, Heat, 12/24VDC Can use as a Replacement for ESL 449AT and ESL 449CT which are discontinued   The 500N series two- and four-wire conventional photoelectric smoke detectors bring together trusted technology and a full line of features to meet the demands of every type of application. The 500N...
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(image for) ESL 541NCSRH

ESL 541NCSRH

              CALL FOR AVAILABILITY PRIOR TO ORDERING 541NCSRH Four Wire Photoelectric Smoke, with Sounder, Relay, Heat, 12/24VDC   Can use as a Replacement for ESL 449CSRH which is discontinued   The 500N series two- and four-wire conventional photoelectric smoke detectors bring together trusted technology and a full line of features to meet the demands of...
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