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Features: <ul style="margin-top:0px; padding-top: 5px; padding-bottom: 5px;"><li>Diode polarized </li><li>Red corrosion resistant heat flowed epoxy finish </li><li>Low current drain</li><li>The Edwards 888D and 889D Series are diode polarized, heavy-duty, high decibel, vibrating horn signals. </li><li>Intended for use in hazardous locations requiring electrical supervision of signaling circuit field wiring, including fire alarm systems. </li><li>Used for unsupervised signaling applications. </li><li>Two mounting brackets are provided on either side of the unit for wall mounting. </li><li>Housing is tapped on one side for 3/4" (19 mm) conduit to allow fir field wiring installation. </li><li>For use in dusty, hazardous atmospheres where a distinctive, urgent signal is required. </li><li>Typical applications included use in mines, petroleum plants, gas plants, grain elevators, flour mills, paper mills, textile plants and tankers.</li></ul>

Edwards Signaling, 889D-AW, Hazardous Location Horn Ex-Pr 20-24VDC

889d-aw-hazardous-location-horn-ex-pr-20-24vdc

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